Greg Gerhardt - Publications

Affiliations: 
University of Kentucky, Lexington, KY 

258 high-probability publications. We are testing a new system for linking publications to authors. You can help! If you notice any inaccuracies, please sign in and mark papers as correct or incorrect matches. If you identify any major omissions or other inaccuracies in the publication list, please let us know.

Year Citation  Score
2024 Aparicio GI, Quintero JE, Plum L, Deng L, Wanczyk K, Henry M, Lynch E, Murphy M, Gerhardt GA, van Horne CG, Monje PV. Identification of cellular and noncellular components of mature intact human peripheral nerve. Journal of the Peripheral Nervous System : Jpns. PMID 38973168 DOI: 10.1111/jns.12643  0.409
2023 Colvett I, Gilmore A, Guzman S, Ledreux A, Quintero JE, Ginjupally DR, Gurwell JA, Slevin JT, Guduru Z, Gerhardt GA, van Horne CG, Granholm AC. Recipient Reaction and Composition of Autologous Sural Nerve Tissue Grafts into the Human Brain. Journal of Clinical Medicine. 12. PMID 37834764 DOI: 10.3390/jcm12196121  0.62
2023 Hixson J, Quintero JE, Guiliani A, Yamasaki TR, Gerhardt GA, Slevin JT, van Horne C. Visualization of the Movement Disorder Society Unified Parkinson's Disease Rating Scale Results. Journal of Parkinson's Disease. PMID 36938741 DOI: 10.3233/JPD-225071  0.406
2022 Chau MJ, Quintero JE, Blalock E, Byrum S, Mackintosh SG, Samaan C, Gerhardt GA, van Horne CG. Transection injury differentially alters the proteome of the human sural nerve. Plos One. 17: e0260998. PMID 36417411 DOI: 10.1371/journal.pone.0260998  0.417
2022 Chau MJ, Quintero JE, Monje PV, Voss SR, Welleford AS, Gerhardt GA, van Horne CG. Using a Transection Paradigm to Enhance the Repair Mechanisms of an Investigational Human Cell Therapy. Cell Transplantation. 31: 9636897221123515. PMID 36169034 DOI: 10.1177/09636897221123515  0.457
2022 Quintero JE, Slevin JT, Gurwell JA, McLouth CJ, El Khouli R, Chau MJ, Guduru Z, Gerhardt GA, van Horne CG. Direct delivery of an investigational cell therapy in patients with Parkinson's disease: an interim analysis of feasibility and safety of an open-label study using DBS-Plus clinical trial design. Bmj Neurology Open. 4: e000301. PMID 35949912 DOI: 10.1136/bmjno-2022-000301  0.435
2021 Gera G, Guduru Z, Yamasaki T, Gurwell JA, Chau MJ, Krotinger A, Schmitt FA, Slevin JT, Gerhardt GA, van Horne C, Quintero JE. Gait and Balance Changes with Investigational Peripheral Nerve Cell Therapy during Deep Brain Stimulation in People with Parkinson's Disease. Brain Sciences. 11. PMID 33921079 DOI: 10.3390/brainsci11040500  0.461
2020 Ledo A, Fernandes E, Quintero JE, Gerhardt GA, Barbosa RM. Electrochemical Evaluation of a Multi-Site Clinical Depth Recording Electrode for Monitoring Cerebral Tissue Oxygen. Micromachines. 11. PMID 32605324 DOI: 10.3390/Mi11070632  0.441
2020 Welleford AS, Quintero JE, Seblani NE, Blalock E, Gunewardena S, Shapiro SM, Riordan SM, Huettl P, Guduru Z, Stanford JA, van Horne CG, Gerhardt GA. RNA Sequencing of Human Peripheral Nerve in Response to Injury: Distinctive Analysis of the Nerve Repair Pathways. Cell Transplantation. 29: 963689720926157. PMID 32425114 DOI: 10.1177/0963689720926157  0.604
2020 El Seblani N, Welleford A, Quintero JE, van Horne C, Gerhardt GA. Invited Review: Utilizing Peripheral Nerve Regenerative Elements to Repair Damage in the CNS. Journal of Neuroscience Methods. 108623. PMID 32027890 DOI: 10.1016/j.jneumeth.2020.108623  0.428
2019 Burmeister JJ, Price DA, Pomerleau F, Huettl P, Quintero JE, Gerhardt GA. Challenges of Simultaneous Measurements of Brain Extracellular GABA and Glutamate In Vivo Using Enzyme-Coated Microelectrode Arrays. Journal of Neuroscience Methods. 108435. PMID 31600528 DOI: 10.1016/j.jneumeth.2019.108435  0.654
2019 Af Bjerkén S, Stenmark Persson R, Barkander A, Karalija N, Pelegrina-Hidalgo N, Gerhardt GA, Virel A, Strömberg I. Noradrenaline is crucial for the substantia nigra dopaminergic cell maintenance. Neurochemistry International. 131: 104551. PMID 31542295 DOI: 10.1016/j.neuint.2019.104551  0.729
2018 Grondin R, Littrell OM, Zhang Z, Ai Y, Huettl P, Pomerleau F, Quintero JE, Andersen AH, Stenslik MJ, Bradley LH, Lemmon J, O'Neill MJ, Gash DM, Gerhardt GA. GDNF revisited: A novel mammalian cell-derived variant form of GDNF increases dopamine turnover and improves brain biodistribution. Neuropharmacology. PMID 29857941 DOI: 10.1016/J.Neuropharm.2018.05.014  0.819
2018 Geyer ED, Shetty PA, Suozzi CJ, Allen DZ, Benavidez PP, Liu J, Hollis CN, Gerhardt GA, Quintero JE, Burmeister JJ, Whitaker EE. Adaptation of Microelectrode Array Technology for the Study of Anesthesia-induced Neurotoxicity in the Intact Piglet Brain. Journal of Visualized Experiments : Jove. PMID 29806825 DOI: 10.3791/57391  0.67
2018 van Horne CG, Quintero JE, Slevin JT, Anderson-Mooney A, Gurwell JA, Welleford AS, Lamm JR, Wagner RP, Gerhardt GA. Peripheral nerve grafts implanted into the substantia nigra in patients with Parkinson's disease during deep brain stimulation surgery: 1-year follow-up study of safety, feasibility, and clinical outcome. Journal of Neurosurgery. 1-12. PMID 29451447 DOI: 10.3171/2017.8.Jns163222  0.462
2018 Miller EM, Quintero JE, Pomerleau F, Huettl P, Gerhardt GA, Glaser PEA. Chronic Methylphenidate Alters Tonic and Phasic Glutamate Signaling in the Frontal Cortex of a Freely-Moving Rat Model of ADHD. Neurochemical Research. PMID 29397534 DOI: 10.1007/s11064-018-2483-1  0.519
2018 Batten SR, Pomerleau F, Quintero J, Gerhardt GA, Beckmann JS. The Role of Glutamate Signaling in Incentive Salience: Second-by-second Glutamate Recordings in Awake Sprague Dawley Rats. Journal of Neurochemistry. PMID 29315659 DOI: 10.1111/jnc.14298  0.529
2017 Thomas TC, Beitchman JA, Pomerleau F, Noel T, Jungsuwadee P, Allan Butterfield D, Clair DKS, Vore M, Gerhardt GA. Acute Treatment with Doxorubicin Affects Glutamate Neurotransmission in the Mouse Frontal Cortex and Hippocampus. Brain Research. PMID 28705715 DOI: 10.1016/J.Brainres.2017.07.003  0.804
2017 Sompol P, Furman JL, Pleiss MM, Kraner SD, Artiushin IA, Batten SR, Quintero JE, Simmerman LA, Beckett TL, Lovell MA, Murphy MP, Gerhardt GA, Norris CM. Calcineurin/NFAT signaling in activated astrocytes drives network hyperexcitability in Aβ-bearing mice. The Journal of Neuroscience : the Official Journal of the Society For Neuroscience. PMID 28559377 DOI: 10.1523/Jneurosci.0877-17.2017  0.505
2017 Hunsberger HC, Setti SE, Heslin RT, Quintero JE, Gerhardt GA, Reed MN. Using Enzyme-based Biosensors to Measure Tonic and Phasic Glutamate in Alzheimer's Mouse Models. Journal of Visualized Experiments : Jove. PMID 28518111 DOI: 10.3791/55418  0.503
2016 Deadwyler SA, Hampson RE, Song D, Opris I, Gerhardt GA, Marmarelis VZ, Berger TW. A cognitive prosthesis for memory facilitation by closed-loop functional ensemble stimulation of hippocampal neurons in primate brain. Experimental Neurology. PMID 27233622 DOI: 10.1016/J.Expneurol.2016.05.031  0.502
2016 van Horne CG, Quintero JE, Gurwell JA, Wagner RP, Slevin JT, Gerhardt GA. Implantation of autologous peripheral nerve grafts into the substantia nigra of subjects with idiopathic Parkinson's disease treated with bilateral STN DBS: a report of safety and feasibility. Journal of Neurosurgery. 1-8. PMID 27153166 DOI: 10.3171/2016.2.Jns151988  0.462
2015 Opris I, Santos LM, Gerhardt GA, Song D, Berger TW, Hampson RE, Deadwyler SA. Distributed encoding of spatial and object categories in primate hippocampal microcircuits. Frontiers in Neuroscience. 9: 317. PMID 26500473 DOI: 10.3389/Fnins.2015.00317  0.473
2015 Hinzman JM, Gibson JL, Tackla RD, Costello MS, Burmeister JJ, Quintero JE, Gerhardt GA, Hartings JA. Real-time monitoring of extracellular adenosine using enzyme-linked microelectrode arrays. Biosensors & Bioelectronics. 74: 512-517. PMID 26183072 DOI: 10.1016/J.Bios.2015.06.074  0.779
2015 Opris I, Gerhardt GA, Hampson RE, Deadwyler SA. Disruption of columnar and laminar cognitive processing in primate prefrontal cortex following cocaine exposure. Frontiers in Systems Neuroscience. 9: 79. PMID 26074787 DOI: 10.3389/Fnsys.2015.00079  0.529
2015 Stenslik MJ, Potts LF, Sonne JW, Cass WA, Turchan-Cholewo J, Pomerleau F, Huettl P, Ai Y, Gash DM, Gerhardt GA, Bradley LH. Methodology and effects of repeated intranasal delivery of DNSP-11 in a rat model of Parkinson's disease. Journal of Neuroscience Methods. 251: 120-9. PMID 25999268 DOI: 10.1016/J.Jneumeth.2015.05.006  0.594
2015 Hinzman JM, DiNapoli VA, Mahoney EJ, Gerhardt GA, Hartings JA. Spreading depolarizations mediate excitotoxicity in the development of acute cortical lesions. Experimental Neurology. 267: 243-53. PMID 25819105 DOI: 10.1016/J.Expneurol.2015.03.014  0.763
2015 van Horne CG, Vaughan SW, Massari C, Bennett M, Asfahani WS, Quintero JE, Gerhardt GA. Streamlining deep brain stimulation surgery by reversing the staging order. Journal of Neurosurgery. 122: 1042-7. PMID 25748305 DOI: 10.3171/2014.9.JNS14619  0.428
2015 Miller EM, Quintero JE, Pomerleau F, Huettl P, Gerhardt GA, Glaser PE. Simultaneous glutamate recordings in the frontal cortex network with multisite biomorphic microelectrodes: New tools for ADHD research. Journal of Neuroscience Methods. PMID 25614383 DOI: 10.1016/J.Jneumeth.2015.01.018  0.712
2015 Opris I, Fuqua JL, Gerhardt GA, Hampson RE, Deadwyler SA. Prefrontal cortical recordings with biomorphic MEAs reveal complex columnar-laminar microcircuits for BCI/BMI implementation. Journal of Neuroscience Methods. 244: 104-13. PMID 24954713 DOI: 10.1016/J.Jneumeth.2014.05.029  0.772
2015 Opris L, Gerhardt GA, Hampson RE, Deadwyler SA. Disruption of columnar and laminar cognitive processing in primate prefrontal cortex following cocaine exposure Frontiers in Systems Neuroscience. 9. DOI: 10.3389/fnsys.2015.00079  0.481
2015 Song D, Hsiao MC, Opris I, Hampson RE, Marmarelis VZ, Gerhardt GA, Deadwyler SA, Berger TW. Hippocampal microcircuits, functional connectivity, and prostheses Recent Advances On the Modular Organization of the Cortex. 385-405. DOI: 10.1007/978-94-017-9900-3_20  0.472
2015 Deadwyler SA, Opris I, Santos LM, Hampson RE, Gerhardt GA, Song D, Marmarelis VZ, Berger TW. Extraction of cortical modularity patterns for neural prosthetics Recent Advances On the Modular Organization of the Cortex. 367-384. DOI: 10.1007/978-94-017-9900-3_19  0.46
2015 Gerhardt GA, Opris I, Burmeister JJ, Pomerleau F, Quintero JE, Huettl P, Hampson RE, Deadwyler SA. The function of cortical microcircuits: Insights from biomorphic ceramic-based microelectrode arrays Recent Advances On Themodular Organization of the Cortex. 313-337. DOI: 10.1007/978-94-017-9900-3_17  0.723
2014 Stephens ML, Williamson A, Deel ME, Bensalem-Owen M, Davis VA, Slevin J, Pomerleau F, Huettl P, Gerhardt GA. Tonic glutamate in CA1 of aging rats correlates with phasic glutamate dysregulation during seizure. Epilepsia. 55: 1817-25. PMID 25266171 DOI: 10.1111/Epi.12797  0.607
2014 Miller EM, Pomerleau F, Huettl P, Gerhardt GA, Glaser PE. Aberrant glutamate signaling in the prefrontal cortex and striatum of the spontaneously hypertensive rat model of attention-deficit/hyperactivity disorder. Psychopharmacology. 231: 3019-29. PMID 24682500 DOI: 10.1007/S00213-014-3479-4  0.671
2014 Santos L, Opris I, Hampson R, Godwin DW, Gerhardt G, Deadwyler S. Functional dynamics of primate cortico-striatal networks during volitional movements. Frontiers in Systems Neuroscience. 8: 27. PMID 24653682 DOI: 10.3389/Fnsys.2014.00027  0.544
2014 Fuqua JL, Littrell OM, Lundblad M, Turchan-Cholewo J, Abdelmoti LG, Galperin E, Bradley LH, Cass WA, Gash DM, Gerhardt GA. Dynamic changes in dopamine neuron function after DNSP-11 treatment: effects in vivo and increased ERK 1/2 phosphorylation in vitro. Peptides. 54: 1-8. PMID 24406899 DOI: 10.1016/J.Peptides.2013.12.007  0.813
2014 Fan XT, Zhao F, Ai Y, Andersen A, Hardy P, Ling F, Gerhardt GA, Zhang Z, Quintero JE. Cortical glutamate levels decrease in a non-human primate model of dopamine deficiency. Brain Research. 1552: 34-40. PMID 24398457 DOI: 10.1016/J.Brainres.2013.12.035  0.541
2013 Deadwyler SA, Berger TW, Sweatt AJ, Song D, Chan RH, Opris I, Gerhardt GA, Marmarelis VZ, Hampson RE. Donor/recipient enhancement of memory in rat hippocampus. Frontiers in Systems Neuroscience. 7: 120. PMID 24421759 DOI: 10.3389/Fnsys.2013.00120  0.517
2013 Hampson RE, Song D, Opris I, Santos LM, Shin DC, Gerhardt GA, Marmarelis VZ, Berger TW, Deadwyler SA. Facilitation of memory encoding in primate hippocampus by a neuroprosthesis that promotes task-specific neural firing. Journal of Neural Engineering. 10: 066013. PMID 24216292 DOI: 10.1088/1741-2560/10/6/066013  0.485
2013 Hampson RE, Fuqua JL, Huettl PF, Opris I, Song D, Shin D, Marmarelis VZ, Berger TW, Gerhardt GA, Deadwyler SA. Conformal ceramic electrodes that record glutamate release and corresponding neural activity in primate prefrontal cortex. Conference Proceedings : ... Annual International Conference of the Ieee Engineering in Medicine and Biology Society. Ieee Engineering in Medicine and Biology Society. Annual Conference. 2013: 5954-7. PMID 24111095 DOI: 10.1109/EMBC.2013.6610908  0.782
2013 Opris I, Santos L, Gerhardt GA, Song D, Berger TW, Hampson RE, Deadwyler SA. Prefrontal cortical microcircuits bind perception to executive control. Scientific Reports. 3: 2285. PMID 23893262 DOI: 10.1038/Srep02285  0.52
2013 Burmeister JJ, Davis VA, Quintero JE, Pomerleau F, Huettl P, Gerhardt GA. Glutaraldehyde cross-linked glutamate oxidase coated microelectrode arrays: selectivity and resting levels of glutamate in the CNS. Acs Chemical Neuroscience. 4: 721-8. PMID 23650904 DOI: 10.1021/cn4000555  0.671
2013 Nevalainen N, Lundblad M, Gerhardt GA, Strömberg I. Striatal glutamate release in L-DOPA-induced dyskinetic animals. Plos One. 8: e55706. PMID 23390548 DOI: 10.1371/journal.pone.0055706  0.675
2013 Littrell OM, Granholm AC, Gerhardt GA, Boger HA. Glial cell-line derived neurotrophic factor (GDNF) replacement attenuates motor impairments and nigrostriatal dopamine deficits in 12-month-old mice with a partial deletion of GDNF. Pharmacology, Biochemistry, and Behavior. 104: 10-9. PMID 23290934 DOI: 10.1016/J.Pbb.2012.12.022  0.804
2013 Eriksson TM, Alvarsson A, Stan TL, Zhang X, Hascup KN, Hascup ER, Kehr J, Gerhardt GA, Warner-Schmidt J, Arango-Lievano M, Kaplitt MG, Ogren SO, Greengard P, Svenningsson P. Bidirectional regulation of emotional memory by 5-HT1B receptors involves hippocampal p11. Molecular Psychiatry. 18: 1096-105. PMID 23032875 DOI: 10.1038/Mp.2012.130  0.766
2013 Littrell OM, Fuqua JL, Richardson AD, Turchan-Cholewo J, Hascup ER, Huettl P, Pomerleau F, Bradley LH, Gash DM, Gerhardt GA. A synthetic five amino acid propeptide increases dopamine neuron differentiation and neurochemical function. Neuropeptides. 47: 43-9. PMID 22981157 DOI: 10.1016/J.Npep.2012.08.004  0.806
2013 Hascup ER, Hascup KN, Talauliker PM, Price DA, Pomerleau F, Quintero JE, Huettl P, Gratton A, Strömberg I, Gerhardt GA. Sub-second measurements of glutamate and other neurotransmitter signaling using enzyme-based ceramic microelectrode arrays Neuromethods. 80: 179-199. DOI: 10.1007/978-1-62703-370-1-8  0.77
2013 Hascup KN, Hascup ER, Littrell OM, Hinzman JM, Werner CE, Davis VA, Burmeister JJ, Pomerleau F, Quintero JE, Huettl P, Gerhardt GA. Microelectrode array fabrication and optimization for selective neurochemical detection Neuromethods. 80: 27-54. DOI: 10.1007/978-1-62703-370-1-2  0.744
2012 Opris I, Fuqua JL, Huettl PF, Gerhardt GA, Berger TW, Hampson RE, Deadwyler SA. Closing the loop in primate prefrontal cortex: inter-laminar processing. Frontiers in Neural Circuits. 6: 88. PMID 23189041 DOI: 10.3389/Fncir.2012.00088  0.766
2012 Opris I, Hampson RE, Gerhardt GA, Berger TW, Deadwyler SA. Columnar processing in primate pFC: evidence for executive control microcircuits. Journal of Cognitive Neuroscience. 24: 2334-47. PMID 23016850 DOI: 10.1162/Jocn_A_00307  0.521
2012 Berger T, Song D, Chan R, Shin D, Marmarelis V, Hampson R, Sweatt A, Heck C, Liu C, Wills J, Lacoss J, Granacki J, Gerhardt G, Deadwyler S. Role of the hippocampus in memory formation: restorative encoding memory integration neural device as a cognitive neural prosthesis. Ieee Pulse. 3: 17-22. PMID 23014702 DOI: 10.1109/Mpul.2012.2205775  0.485
2012 Hampson RE, Gerhardt GA, Marmarelis V, Song D, Opris I, Santos L, Berger TW, Deadwyler SA. Facilitation and restoration of cognitive function in primate prefrontal cortex by a neuroprosthesis that utilizes minicolumn-specific neural firing. Journal of Neural Engineering. 9: 056012. PMID 22976769 DOI: 10.1088/1741-2560/9/5/056012  0.521
2012 Miller EM, Pomerleau F, Huettl P, Russell VA, Gerhardt GA, Glaser PE. The spontaneously hypertensive and Wistar Kyoto rat models of ADHD exhibit sub-regional differences in dopamine release and uptake in the striatum and nucleus accumbens. Neuropharmacology. 63: 1327-34. PMID 22960443 DOI: 10.1016/J.Neuropharm.2012.08.020  0.66
2012 Onifer SM, Quintero JE, Gerhardt GA. Cutaneous and electrically evoked glutamate signaling in the adult rat somatosensory system. Journal of Neuroscience Methods. 208: 146-54. PMID 22627377 DOI: 10.1016/j.jneumeth.2012.05.013  0.513
2012 Hascup ER, Hascup KN, Pomerleau F, Huettl P, Hajos-Korcsok E, Kehr J, Gerhardt GA. An allosteric modulator of metabotropic glutamate receptors (mGluRâ‚‚), (+)-TFMPIP, inhibits restraint stress-induced phasic glutamate release in rat prefrontal cortex. Journal of Neurochemistry. 122: 619-27. PMID 22578190 DOI: 10.1111/j.1471-4159.2012.07784.x  0.808
2012 Hampson RE, Song D, Chan RH, Sweatt AJ, Riley MR, Goonawardena AV, Marmarelis VZ, Gerhardt GA, Berger TW, Deadwyler SA. Closing the loop for memory prosthesis: detecting the role of hippocampal neural ensembles using nonlinear models. Ieee Transactions On Neural Systems and Rehabilitation Engineering : a Publication of the Ieee Engineering in Medicine and Biology Society. 20: 510-25. PMID 22498704 DOI: 10.1109/Tnsre.2012.2190942  0.504
2012 Hampson RE, Song D, Chan RH, Sweatt AJ, Riley MR, Gerhardt GA, Shin DC, Marmarelis VZ, Berger TW, Deadwyler SA. A nonlinear model for hippocampal cognitive prosthesis: memory facilitation by hippocampal ensemble stimulation. Ieee Transactions On Neural Systems and Rehabilitation Engineering : a Publication of the Ieee Engineering in Medicine and Biology Society. 20: 184-97. PMID 22438334 DOI: 10.1109/Tnsre.2012.2189163  0.497
2012 Hinzman JM, Thomas TC, Quintero JE, Gerhardt GA, Lifshitz J. Disruptions in the regulation of extracellular glutamate by neurons and glia in the rat striatum two days after diffuse brain injury. Journal of Neurotrauma. 29: 1197-208. PMID 22233432 DOI: 10.1089/Neu.2011.2261  0.814
2012 van Bregt DR, Thomas TC, Hinzman JM, Cao T, Liu M, Bing G, Gerhardt GA, Pauly JR, Lifshitz J. Substantia nigra vulnerability after a single moderate diffuse brain injury in the rat. Experimental Neurology. 234: 8-19. PMID 22178300 DOI: 10.1016/J.Expneurol.2011.12.003  0.797
2012 Thomas TC, Hinzman JM, Gerhardt GA, Lifshitz J. Hypersensitive glutamate signaling correlates with the development of late-onset behavioral morbidity in diffuse brain-injured circuitry. Journal of Neurotrauma. 29: 187-200. PMID 21939393 DOI: 10.1089/Neu.2011.2091  0.81
2012 Littrell OM, Pomerleau F, Huettl P, Surgener S, McGinty JF, Middaugh LD, Granholm AC, Gerhardt GA, Boger HA. Enhanced dopamine transporter activity in middle-aged Gdnf heterozygous mice. Neurobiology of Aging. 33: 427.e1-14. PMID 21144620 DOI: 10.1016/J.Neurobiolaging.2010.10.013  0.8
2011 Hampson RE, Marmaralis V, Shin DC, Gerhardt GA, Song D, Chan RH, Sweatt AJ, Granacki J, Berger TW, Deadwyler SA. Restorative encoding memory integrative neural device: "REMIND". Conference Proceedings : ... Annual International Conference of the Ieee Engineering in Medicine and Biology Society. Ieee Engineering in Medicine and Biology Society. Annual Conference. 2011: 3338-41. PMID 22255054 DOI: 10.1109/IEMBS.2011.6090905  0.487
2011 Mattinson CE, Burmeister JJ, Quintero JE, Pomerleau F, Huettl P, Gerhardt GA. Tonic and phasic release of glutamate and acetylcholine neurotransmission in sub-regions of the rat prefrontal cortex using enzyme-based microelectrode arrays. Journal of Neuroscience Methods. 202: 199-208. PMID 21896284 DOI: 10.1016/J.Jneumeth.2011.08.020  0.803
2011 Harvey BK, Airavaara M, Hinzman J, Wires EM, Chiocco MJ, Howard DB, Shen H, Gerhardt G, Hoffer BJ, Wang Y. Targeted over-expression of glutamate transporter 1 (GLT-1) reduces ischemic brain injury in a rat model of stroke. Plos One. 6: e22135. PMID 21853027 DOI: 10.1371/Journal.Pone.0022135  0.797
2011 Morris JK, Bomhoff GL, Gorres BK, Davis VA, Kim J, Lee PP, Brooks WM, Gerhardt GA, Geiger PC, Stanford JA. Insulin resistance impairs nigrostriatal dopamine function. Experimental Neurology. 231: 171-80. PMID 21703262 DOI: 10.1016/J.Expneurol.2011.06.005  0.552
2011 Quintero JE, Pomerleau F, Huettl P, Johnson KW, Offord J, Gerhardt GA. Methodology for rapid measures of glutamate release in rat brain slices using ceramic-based microelectrode arrays: basic characterization and drug pharmacology. Brain Research. 1401: 1-9. PMID 21664606 DOI: 10.1016/j.brainres.2011.05.025  0.55
2011 Nevalainen N, Af Bjerkén S, Lundblad M, Gerhardt GA, Strömberg I. Dopamine release from serotonergic nerve fibers is reduced in L-DOPA-induced dyskinesia. Journal of Neurochemistry. 118: 12-23. PMID 21534956 DOI: 10.1111/j.1471-4159.2011.07292.x  0.653
2011 Hascup KN, Hascup ER, Stephens ML, Glaser PE, Yoshitake T, Mathé AA, Gerhardt GA, Kehr J. Resting glutamate levels and rapid glutamate transients in the prefrontal cortex of the Flinders Sensitive Line rat: a genetic rodent model of depression. Neuropsychopharmacology : Official Publication of the American College of Neuropsychopharmacology. 36: 1769-77. PMID 21525860 DOI: 10.1038/Npp.2011.60  0.794
2011 Talauliker PM, Price DA, Burmeister JJ, Nagari S, Quintero JE, Pomerleau F, Huettl P, Hastings JT, Gerhardt GA. Ceramic-based microelectrode arrays: recording surface characteristics and topographical analysis. Journal of Neuroscience Methods. 198: 222-9. PMID 21513736 DOI: 10.1016/J.Jneumeth.2011.04.004  0.773
2011 Kelps KA, Turchan-Cholewo J, Hascup ER, Taylor TL, Gash DM, Gerhardt GA, Bradley LH. Evaluation of the physical and in vitro protective activity of three synthetic peptides derived from the pro- and mature GDNF sequence. Neuropeptides. 45: 213-8. PMID 21507484 DOI: 10.1016/J.Npep.2011.03.003  0.767
2011 Quintero JE, Dooley DJ, Pomerleau F, Huettl P, Gerhardt GA. Amperometric measurement of glutamate release modulation by gabapentin and pregabalin in rat neocortical slices: role of voltage-sensitive Ca2+ α2δ-1 subunit. The Journal of Pharmacology and Experimental Therapeutics. 338: 240-5. PMID 21464332 DOI: 10.1124/jpet.110.178384  0.534
2011 Hascup KN, Bao X, Hascup ER, Hui D, Xu W, Pomerleau F, Huettl P, Michaelis ML, Michaelis EK, Gerhardt GA. Differential levels of glutamate dehydrogenase 1 (GLUD1) in Balb/c and C57BL/6 mice and the effects of overexpression of the Glud1 gene on glutamate release in striatum. Asn Neuro. 3. PMID 21446915 DOI: 10.1042/An20110005  0.804
2011 Michaelis EK, Wang X, Pal R, Bao X, Hascup KN, Wang Y, Wang WT, Hui D, Agbas A, Choi IY, Belousov A, Gerhardt GA. Neuronal Glud1 (glutamate dehydrogenase 1) over-expressing mice: increased glutamate formation and synaptic release, loss of synaptic activity, and adaptive changes in genomic expression. Neurochemistry International. 59: 473-81. PMID 21397652 DOI: 10.1016/J.Neuint.2011.03.003  0.68
2011 Lockrow J, Boger H, Gerhardt G, Aston-Jones G, Bachman D, Granholm AC. A noradrenergic lesion exacerbates neurodegeneration in a Down syndrome mouse model. Journal of Alzheimer's Disease : Jad. 23: 471-89. PMID 21098982 DOI: 10.3233/JAD-2010-101218  0.554
2011 Opris I, Hampson RE, Stanford TR, Gerhardt GA, Deadwyler SA. Neural activity in frontal cortical cell layers: evidence for columnar sensorimotor processing. Journal of Cognitive Neuroscience. 23: 1507-21. PMID 20695762 DOI: 10.1162/Jocn.2010.21534  0.491
2011 Lourenço CF, Santos R, Barbosa RM, Gerhardt G, Cadenas E, Laranjinha J. In vivo modulation of nitric oxide concentration dynamics upon glutamatergic neuronal activation in the hippocampus. Hippocampus. 21: 622-30. PMID 20169537 DOI: 10.1002/Hipo.20774  0.363
2011 Stephens ML, Quintero JE, Pomerleau F, Huettl P, Gerhardt GA. Age-related changes in glutamate release in the CA3 and dentate gyrus of the rat hippocampus. Neurobiology of Aging. 32: 811-20. PMID 19535175 DOI: 10.1016/J.Neurobiolaging.2009.05.009  0.71
2010 Hascup ER, Hascup KN, Stephens M, Pomerleau F, Huettl P, Gratton A, Gerhardt GA. Rapid microelectrode measurements and the origin and regulation of extracellular glutamate in rat prefrontal cortex. Journal of Neurochemistry. 115: 1608-20. PMID 20969570 DOI: 10.1111/J.1471-4159.2010.07066.X  0.812
2010 Zhao F, Fan X, Grondin R, Edwards R, Forman E, Moorehead J, Gerhardt G, Wang X, Zhang Z. Improved methods for electroacupuncture and electromyographic recordings in normal and parkinsonian rhesus monkeys. Journal of Neuroscience Methods. 192: 199-206. PMID 20654649 DOI: 10.1016/J.Jneumeth.2010.07.016  0.303
2010 Bradley LH, Fuqua J, Richardson A, Turchan-Cholewo J, Ai Y, Kelps KA, Glass JD, He X, Zhang Z, Grondin R, Littrell OM, Huettl P, Pomerleau F, Gash DM, Gerhardt GA. Dopamine neuron stimulating actions of a GDNF propeptide. Plos One. 5: e9752. PMID 20305789 DOI: 10.1371/Journal.Pone.0009752  0.82
2010 Hinzman JM, Thomas TC, Burmeister JJ, Quintero JE, Huettl P, Pomerleau F, Gerhardt GA, Lifshitz J. Diffuse brain injury elevates tonic glutamate levels and potassium-evoked glutamate release in discrete brain regions at two days post-injury: an enzyme-based microelectrode array study. Journal of Neurotrauma. 27: 889-99. PMID 20233041 DOI: 10.1089/Neu.2009.1238  0.806
2010 Strömberg I, Bickford P, Gerhardt GA. Grafted dopamine neurons: Morphology, neurochemistry, and electrophysiology. Progress in Neurobiology. 90: 190-7. PMID 19853009 DOI: 10.1016/j.pneurobio.2009.10.009  0.588
2010 Stephens ML, Pomerleau F, Huettl P, Gerhardt GA, Zhang Z. Real-time glutamate measurements in the putamen of awake rhesus monkeys using an enzyme-based human microelectrode array prototype. Journal of Neuroscience Methods. 185: 264-72. PMID 19850078 DOI: 10.1016/J.Jneumeth.2009.10.008  0.631
2010 Gerhardt GA, Huettl P, Pomerleau F, Quintero G, Burmeister J. Intra-operative chemical diagnostics in the brain using enzyme-based ceramic microelectrode arrays Proceedings of Ieee Sensors. 2338-2341. DOI: 10.1109/ICSENS.2010.5690939  0.525
2009 Bao X, Pal R, Hascup KN, Wang Y, Wang WT, Xu W, Hui D, Agbas A, Wang X, Michaelis ML, Choi IY, Belousov AB, Gerhardt GA, Michaelis EK. Transgenic expression of Glud1 (glutamate dehydrogenase 1) in neurons: in vivo model of enhanced glutamate release, altered synaptic plasticity, and selective neuronal vulnerability. The Journal of Neuroscience : the Official Journal of the Society For Neuroscience. 29: 13929-44. PMID 19890003 DOI: 10.1523/Jneurosci.4413-09.2009  0.674
2009 Hascup ER, af Bjerkén S, Hascup KN, Pomerleau F, Huettl P, Strömberg I, Gerhardt GA. Histological studies of the effects of chronic implantation of ceramic-based microelectrode arrays and microdialysis probes in rat prefrontal cortex. Brain Research. 1291: 12-20. PMID 19577548 DOI: 10.1016/j.brainres.2009.06.084  0.794
2009 Salvatore MF, Gerhardt GA, Dayton RD, Klein RL, Stanford JA. Bilateral effects of unilateral GDNF administration on dopamine- and GABA-regulating proteins in the rat nigrostriatal system. Experimental Neurology. 219: 197-207. PMID 19460370 DOI: 10.1016/j.expneurol.2009.05.013  0.767
2009 Lundblad M, af Bjerkén S, Cenci MA, Pomerleau F, Gerhardt GA, Strömberg I. Chronic intermittent L-DOPA treatment induces changes in dopamine release. Journal of Neurochemistry. 108: 998-1008. PMID 19196428 DOI: 10.1111/j.1471-4159.2008.05848.x  0.648
2009 Thomas TC, Grandy DK, Gerhardt GA, Glaser PE. Decreased dopamine D4 receptor expression increases extracellular glutamate and alters its regulation in mouse striatum. Neuropsychopharmacology : Official Publication of the American College of Neuropsychopharmacology. 34: 436-45. PMID 18536704 DOI: 10.1038/Npp.2008.74  0.783
2009 Hascup K, Hascup E, Gerhardt G, Mathé A, Kehr J. P.2.10 Neuropeptide Y modulation of the gluta-matergic system in the Flinders Sensitive Line rat: a rat model of depression European Neuropsychopharmacology. 19: S41-S42. DOI: 10.1016/S0924-977X(09)70048-3  0.808
2008 Berger TW, Gerhardt G, Liker MA, Soussou W. The impact of neurotechnology on rehabilitation. Ieee Reviews in Biomedical Engineering. 1: 157-97. PMID 22274903 DOI: 10.1109/Rbme.2008.2008687  0.302
2008 Zaman V, Boger HA, Granholm AC, Rohrer B, Moore A, Buhusi M, Gerhardt GA, Hoffer BJ, Middaugh LD. The nigrostriatal dopamine system of aging GFRalpha-1 heterozygous mice: neurochemistry, morphology and behavior. The European Journal of Neuroscience. 28: 1557-68. PMID 18973577 DOI: 10.1111/J.1460-9568.2008.06456.X  0.659
2008 Xin T, Ai Y, Gerhardt G, Gash D, Zhang Z. Globus pallidus plays a critical role in neurotrophic factor induced functional improvements in hemiparkinsonian monkeys. Biochemical and Biophysical Research Communications. 370: 434-9. PMID 18381061 DOI: 10.1016/J.Bbrc.2008.03.108  0.341
2008 Burmeister JJ, Pomerleau F, Huettl P, Gash CR, Werner CE, Bruno JP, Gerhardt GA. Ceramic-based multisite microelectrode arrays for simultaneous measures of choline and acetylcholine in CNS. Biosensors & Bioelectronics. 23: 1382-9. PMID 18243683 DOI: 10.1016/j.bios.2007.12.013  0.562
2008 Gash DM, Rutland K, Hudson NL, Sullivan PG, Bing G, Cass WA, Pandya JD, Liu M, Choi DY, Hunter RL, Gerhardt GA, Smith CD, Slevin JT, Prince TS. Trichloroethylene: Parkinsonism and complex 1 mitochondrial neurotoxicity. Annals of Neurology. 63: 184-92. PMID 18157908 DOI: 10.1002/Ana.21288  0.59
2008 Hascup KN, Hascup ER, Pomerleau F, Huettl P, Gerhardt GA. Second-by-second measures of L-glutamate in the prefrontal cortex and striatum of freely moving mice. The Journal of Pharmacology and Experimental Therapeutics. 324: 725-31. PMID 18024788 DOI: 10.1124/jpet.107.131698  0.807
2008 Michaelis EK, Bao X, Pal R, Hascup K, McKerchar T, Xu W, Hui D, Agbas A, Wang X, Pinkston J, Pomerleau F, Huettl P, Fowler S, Michaelis M, Gerhardt G. P4-259: Transgenic expression of glutamate gehydrogenase 1 in neurons: An in vivo model of hyperglutamatergic nervous system and chronic neurodegeneration Alzheimer's & Dementia. 4: T747-T747. DOI: 10.1016/J.Jalz.2008.05.2328  0.74
2008 Stephens ML, Spencer DD, Cavus I, Hsiao MC, Song D, Deadwyler SA, Hampson RE, Putz D, Quintero JE, Bensalem-Owen MK, Hascup KN, Rutherford EC, Day BK, Nickell JR, Pomerleau F, ... ... Gerhardt GA, et al. Microelectrode-Based Epilepsy Therapy: A Hybrid Neural Prosthesis Incorporating Seizure Prediction and Intervention with Biomimetic Maintenance of Normal Hippocampal Function Computational Neuroscience in Epilepsy. 559-586. DOI: 10.1016/B978-012373649-9.50036-3  0.742
2007 Gash DM, Chen Y, Gerhardt G. Neurotrophic factors and Parkinson's disease. Handbook of Clinical Neurology. 83: 521-33. PMID 18808932 DOI: 10.1016/S0072-9752(07)83025-9  0.332
2007 Quintero JE, Day BK, Zhang Z, Grondin R, Stephens ML, Huettl P, Pomerleau F, Gash DM, Gerhardt GA. Amperometric measures of age-related changes in glutamate regulation in the cortex of rhesus monkeys. Experimental Neurology. 208: 238-46. PMID 17927982 DOI: 10.1016/J.Expneurol.2007.08.002  0.809
2007 Thomas TC, Kruzich PJ, Joyce BM, Gash CR, Suchland K, Surgener SP, Rutherford EC, Grandy DK, Gerhardt GA, Glaser PE. Dopamine D4 receptor knockout mice exhibit neurochemical changes consistent with decreased dopamine release. Journal of Neuroscience Methods. 166: 306-14. PMID 17449106 DOI: 10.1016/J.Jneumeth.2007.03.009  0.812
2007 Joyce BM, Glaser PE, Gerhardt GA. Adderall produces increased striatal dopamine release and a prolonged time course compared to amphetamine isomers. Psychopharmacology. 191: 669-77. PMID 17031708 DOI: 10.1007/S00213-006-0550-9  0.809
2007 Nickell J, Salvatore MF, Pomerleau F, Apparsundaram S, Gerhardt GA. Reduced plasma membrane surface expression of GLAST mediates decreased glutamate regulation in the aged striatum. Neurobiology of Aging. 28: 1737-48. PMID 16959378 DOI: 10.1016/J.Neurobiolaging.2006.07.015  0.784
2007 Cass WA, Grondin R, Andersen AH, Zhang Z, Hardy PA, Hussey-Andersen LK, Rayens WS, Gerhardt GA, Gash DM. Iron accumulation in the striatum predicts aging-related decline in motor function in rhesus monkeys. Neurobiology of Aging. 28: 258-71. PMID 16442671 DOI: 10.1016/J.Neurobiolaging.2005.12.010  0.614
2007 Stanford JA, Salvatore MF, Joyce BM, Zhang H, Gash DM, Gerhardt GA. Bilateral effects of unilateral intrastriatal GDNF on locomotor-excited and nonlocomotor-related striatal neurons in aged F344 rats. Neurobiology of Aging. 28: 156-65. PMID 16314001 DOI: 10.1016/j.neurobiolaging.2005.10.015  0.811
2006 Bruno JP, Gash C, Martin B, Zmarowski A, Pomerleau F, Burmeister J, Huettl P, Gerhardt GA. Second-by-second measurement of acetylcholine release in prefrontal cortex. The European Journal of Neuroscience. 24: 2749-57. PMID 17156201 DOI: 10.1111/j.1460-9568.2006.05176.x  0.612
2006 Salvatore MF, Ai Y, Fischer B, Zhang AM, Grondin RC, Zhang Z, Gerhardt GA, Gash DM. Point source concentration of GDNF may explain failure of phase II clinical trial. Experimental Neurology. 202: 497-505. PMID 16962582 DOI: 10.1016/J.Expneurol.2006.07.015  0.628
2006 Glaser PE, Surgener SP, Grondin R, Gash CR, Palmer M, Castellanos FX, Gerhardt GA. Cerebellar neurotransmission in attention-deficit/hyperactivity disorder: does dopamine neurotransmission occur in the cerebellar vermis? Journal of Neuroscience Methods. 151: 62-7. PMID 16451810 DOI: 10.1016/J.Jneumeth.2005.09.019  0.696
2006 Day BK, Pomerleau F, Burmeister JJ, Huettl P, Gerhardt GA. Microelectrode array studies of basal and potassium-evoked release of L-glutamate in the anesthetized rat brain. Journal of Neurochemistry. 96: 1626-35. PMID 16441510 DOI: 10.1111/j.1471-4159.2006.03673.x  0.8
2006 Castellanos FX, Glaser PE, Gerhardt GA. Towards a neuroscience of attention-deficit/hyperactivity disorder: fractionating the phenotype. Journal of Neuroscience Methods. 151: 1-4. PMID 16427130 DOI: 10.1016/J.Jneumeth.2005.11.002  0.58
2006 Lundblad M, Pomerleau F, Gerhardt G, Cenci M, Strömberg I. Effects of l-DOPA on the dynamics of potassium evoked dopamine release in a rat model of PD Experimental Neurology. 198: 578-579. DOI: 10.1016/j.expneurol.2006.02.066  0.683
2005 Berger TW, Ahuja A, Courellis SH, Deadwyler SA, Erinjippurath G, Gerhardt GA, Gholmieh G, Granacki JJ, Hampson R, Hsaio MC, LaCoss J, Marmarelis VZ, Nasiatka P, Srinivasan V, Song D, et al. Restoring lost cognitive function. Ieee Engineering in Medicine and Biology Magazine : the Quarterly Magazine of the Engineering in Medicine & Biology Society. 24: 30-44. PMID 16248115 DOI: 10.1109/Memb.2005.1511498  0.526
2005 Salvatore MF, Fisher B, Surgener SP, Gerhardt GA, Rouault T. Neurochemical investigations of dopamine neuronal systems in iron-regulatory protein 2 (IRP-2) knockout mice. Brain Research. Molecular Brain Research. 139: 341-7. PMID 16051392 DOI: 10.1016/j.molbrainres.2005.06.002  0.672
2005 Glaser PE, Thomas TC, Joyce BM, Castellanos FX, Gerhardt GA. Differential effects of amphetamine isomers on dopamine release in the rat striatum and nucleus accumbens core. Psychopharmacology. 178: 250-8. PMID 15719230 DOI: 10.1007/S00213-004-2012-6  0.809
2005 Burmeister JJ, Palmer M, Gerhardt GA. L-lactate measures in brain tissue with ceramic-based multisite microelectrodes. Biosensors & Bioelectronics. 20: 1772-9. PMID 15681193 DOI: 10.1016/j.bios.2004.07.003  0.569
2005 Nickell J, Pomerleau F, Allen J, Gerhardt GA. Age-related changes in the dynamics of potassium-evoked L-glutamate release in the striatum of Fischer 344 rats. Journal of Neural Transmission (Vienna, Austria : 1996). 112: 87-96. PMID 15599607 DOI: 10.1007/s00702-004-0151-x  0.684
2004 Burmeister JJ, Coates TD, Gerhardt GA. Multisite microelectrode arrays for measurements of multiple neurochemicals. Conference Proceedings : ... Annual International Conference of the Ieee Engineering in Medicine and Biology Society. Ieee Engineering in Medicine and Biology Society. Annual Conference. 7: 5348-51. PMID 17271550 DOI: 10.1109/IEMBS.2004.1404493  0.663
2004 Salvatore MF, Zhang JL, Large DM, Wilson PE, Gash CR, Thomas TC, Haycock JW, Bing G, Stanford JA, Gash DM, Gerhardt GA. Striatal GDNF administration increases tyrosine hydroxylase phosphorylation in the rat striatum and substantia nigra. Journal of Neurochemistry. 90: 245-54. PMID 15198683 DOI: 10.1111/J.1471-4159.2004.02496.X  0.824
2004 Zuch CL, David D, Ujhelyi L, Hudson JL, Gerhardt GA, Kaplan PL, Bickford PC. Beneficial effects of intraventricularly administered BMP-7 following a striatal 6-hydroxydopamine lesion. Brain Research. 1010: 10-6. PMID 15126112 DOI: 10.1016/j.brainres.2003.12.058  0.505
2004 Stanford JA, Gerhardt GA. Aged F344 rats exhibit altered electrophysiological activity in locomotor-unrelated but not locomotor-related striatal neurons. Neurobiology of Aging. 25: 509-15. PMID 15013572 DOI: 10.1016/S0197-4580(03)00128-3  0.557
2004 Salvatore MF, Hudspeth O, Arnold LE, Wilson PE, Stanford JA, MacTutus CF, Booze RM, Gerhardt GA. Prenatal cocaine exposure alters potassium-evoked dopamine release dynamics in rat striatum. Neuroscience. 123: 481-90. PMID 14698755 DOI: 10.1016/J.Neuroscience.2003.10.002  0.754
2003 Pomerleau F, Day BK, Huettl P, Burmeister JJ, Gerhardt GA. Real time in vivo measures of L-glutamate in the rat central nervous system using ceramic-based multisite microelectrode arrays. Annals of the New York Academy of Sciences. 1003: 454-7. PMID 14684487 DOI: 10.1196/annals.1300.051  0.781
2003 Salvatore MF, Apparsundaram S, Gerhardt GA. Decreased plasma membrane expression of striatal dopamine transporter in aging. Neurobiology of Aging. 24: 1147-54. PMID 14643386 DOI: 10.1016/S0197-4580(03)00129-5  0.67
2003 Purdom MS, Stanford JA, Gerhardt GA. Differential effects of post-implantation time on potassium- versus D-amphetamine-evoked dopamine overflow in the striatum of F344 rats. Neuroscience Letters. 348: 97-100. PMID 12902027 DOI: 10.1016/S0304-3940(03)00737-7  0.541
2003 Purdom MS, Stanford JA, Currier TD, Gerhardt GA. Microdialysis studies of D-amphetamine-evoked striatal dopamine overflow in young versus aged F344 rats: effects of concentration and order of administration. Brain Research. 979: 203-9. PMID 12850587 DOI: 10.1016/S0006-8993(03)02922-6  0.57
2003 Zaman V, Li Z, Middaugh L, Ramamoorthy S, Rohrer B, Nelson ME, Tomac AC, Hoffer BJ, Gerhardt GA, Granholm ACh. The noradrenergic system of aged GDNF heterozygous mice. Cell Transplantation. 12: 291-303. PMID 12797383  0.647
2003 Sabeti J, Gerhardt GA, Zahniser NR. Chloral hydrate and ethanol, but not urethane, alter the clearance of exogenous dopamine recorded by chronoamperometry in striatum of unrestrained rats. Neuroscience Letters. 343: 9-12. PMID 12749985 DOI: 10.1016/S0304-3940(03)00301-X  0.592
2003 Sabeti J, Gerhardt GA, Zahniser NR. Individual differences in cocaine-induced locomotor sensitization in low and high cocaine locomotor-responding rats are associated with differential inhibition of dopamine clearance in nucleus accumbens. The Journal of Pharmacology and Experimental Therapeutics. 305: 180-90. PMID 12649367 DOI: 10.1124/Jpet.102.047258  0.536
2003 Grondin R, Cass WA, Zhang Z, Stanford JA, Gash DM, Gerhardt GA. Glial cell line-derived neurotrophic factor increases stimulus-evoked dopamine release and motor speed in aged rhesus monkeys. The Journal of Neuroscience : the Official Journal of the Society For Neuroscience. 23: 1974-80. PMID 12629203 DOI: 10.1523/Jneurosci.23-05-01974.2003  0.735
2003 Stanford JA, Vorontsova E, Surgener SP, Gerhardt GA, Fowler SC. Aged Fischer 344 rats exhibit altered orolingual motor function: relationships with nigrostriatal neurochemical measures. Neurobiology of Aging. 24: 259-66. PMID 12498959 DOI: 10.1016/S0197-4580(02)00083-0  0.683
2003 Burmeister JJ, Gerhardt GA. Ceramic-based multisite microelectrode arrays for in vivo electrochemical recordings of glutamate and other neurochemicals Trac - Trends in Analytical Chemistry. 22: 498-502. DOI: 10.1016/S0165-9936(03)00904-X  0.563
2003 Burmeister JJ, Palmer M, Gerhardt GA. Ceramic-based multisite microelectrode array for rapid choline measures in brain tissue Analytica Chimica Acta. 481: 65-74. DOI: 10.1016/S0003-2670(03)00067-9  0.59
2003 Coates TD, Hampson R, Deadwyler S, Gerhardt GA. Microfabricated Ceramic Sensor Arrays for Direct Interfacing to Deep Brain Structures in Primates Annual International Conference of the Ieee Engineering in Medicine and Biology - Proceedings. 4: 3694-3697.  0.417
2003 Hampson RE, Coates TD, Gerhardt GA, Deadwyler SA. Ceramic-Based Microelectrode Neuronal Recordings in the Rat and Monkey Annual International Conference of the Ieee Engineering in Medicine and Biology - Proceedings. 4: 3700-3703.  0.652
2002 Stanford JA, Vorontsova E, Surgener SP, Gerhardt GA, Fowler SC. Aged Fischer 344 rats exhibit altered locomotion in the absence of decreased locomotor activity: exacerbation by nomifensine. Neuroscience Letters. 333: 195-8. PMID 12429381 DOI: 10.1016/S0304-3940(02)01105-9  0.687
2002 Sabeti J, Adams CE, Burmeister J, Gerhardt GA, Zahniser NR. Kinetic analysis of striatal clearance of exogenous dopamine recorded by chronoamperometry in freely-moving rats. Journal of Neuroscience Methods. 121: 41-52. PMID 12393160 DOI: 10.1016/S0165-0270(02)00229-7  0.729
2002 Maswood N, Grondin R, Zhang Z, Stanford JA, Surgener SP, Gash DM, Gerhardt GA. Effects of chronic intraputamenal infusion of glial cell line-derived neurotrophic factor (GDNF) in aged Rhesus monkeys. Neurobiology of Aging. 23: 881-9. PMID 12392792 DOI: 10.1016/S0197-4580(02)00022-2  0.572
2002 Burmeister JJ, Pomerleau F, Palmer M, Day BK, Huettl P, Gerhardt GA. Improved ceramic-based multisite microelectrode for rapid measurements of L-glutamate in the CNS. Journal of Neuroscience Methods. 119: 163-71. PMID 12323420 DOI: 10.1016/S0165-0270(02)00172-3  0.79
2002 Grondin R, Zhang Z, Yi A, Cass WA, Maswood N, Andersen AH, Elsberry DD, Klein MC, Gerhardt GA, Gash DM. Chronic, controlled GDNF infusion promotes structural and functional recovery in advanced parkinsonian monkeys. Brain : a Journal of Neurology. 125: 2191-201. PMID 12244077 DOI: 10.1093/Brain/Awf234  0.653
2002 Sabeti J, Gerhardt GA, Zahniser NR. Acute cocaine differentially alters accumbens and striatal dopamine clearance in low and high cocaine locomotor responders: behavioral and electrochemical recordings in freely moving rats. The Journal of Pharmacology and Experimental Therapeutics. 302: 1201-11. PMID 12183681 DOI: 10.1124/Jpet.102.035816  0.553
2002 McGrath J, Lintz E, Hoffer BJ, Gerhardt GA, Quintero EM, Granholm AC. Adeno-associated viral delivery of GDNF promotes recovery of dopaminergic phenotype following a unilateral 6-hydroxydopamine lesion. Cell Transplantation. 11: 215-27. PMID 12075987 DOI: 10.3727/096020198389988  0.637
2002 Stanford JA, Currier TD, Gerhardt GA. Acute locomotor effects of fluoxetine, sertraline, and nomifensine in young versus aged Fischer 344 rats. Pharmacology, Biochemistry, and Behavior. 71: 325-32. PMID 11812540 DOI: 10.1016/S0091-3057(01)00694-3  0.523
2002 Stanford JA, Gash CR, Gerhardt GA. Aged F344 rats exhibit an increased proportion of dopamine agonist-excited striatal neurons. Neurobiology of Aging. 23: 263-70. PMID 11804712 DOI: 10.1016/S0197-4580(01)00284-6  0.583
2002 Gerhardt GA, Cass WA, Yi A, Zhang Z, Gash DM. Changes in somatodendritic but not terminal dopamine regulation in aged rhesus monkeys. Journal of Neurochemistry. 80: 168-77. PMID 11796755 DOI: 10.1046/J.0022-3042.2001.00684.X  0.642
2001 Zhang Z, Andersen A, Grondin R, Barber T, Avison R, Gerhardt G, Gash D. Pharmacological MRI mapping of age-associated changes in basal ganglia circuitry of awake rhesus monkeys. Neuroimage. 14: 1159-67. PMID 11697947 DOI: 10.1006/Nimg.2001.0902  0.384
2001 Granholm AC, Helt C, Srivastava N, Backman C, Gerhardt GA. Effects of age and GDNF on noradrenergic innervation of the hippocampal formation: studies from intraocular grafts. Microscopy Research and Technique. 54: 298-308. PMID 11514986 DOI: 10.1002/jemt.1142  0.646
2001 Gerhardt GA, Hoffman AF. Effects of recording media composition on the responses of Nafion-coated carbon fiber microelectrodes measured using high-speed chronoamperometry. Journal of Neuroscience Methods. 109: 13-21. PMID 11489295 DOI: 10.1016/S0165-0270(01)00396-X  0.557
2001 Helt CE, Hoernig GR, Albeck DS, Gerhardt GA, Ickes B, Reyland ME, Quissell DO, Strömberg I, Granholm AC. Neuroprotection of grafted neurons with a GDNF/caspase inhibitor cocktail. Experimental Neurology. 170: 258-69. PMID 11476591 DOI: 10.1006/Exnr.2001.7709  0.522
2001 Stanford JA, Gerhardt GA. Age-related changes in striatal function of freely-moving F344 rats. Neurobiology of Aging. 22: 659-69. PMID 11445266 DOI: 10.1016/S0197-4580(00)00257-8  0.559
2001 Stanford JA, Currier TD, Purdom MS, Gerhardt GA. Nomifensine reveals age-related changes in K(+)-evoked striatal DA overflow in F344 rats. Neurobiology of Aging. 22: 495-502. PMID 11378257 DOI: 10.1016/S0197-4580(00)00243-8  0.573
2001 Burmeister JJ, Gerhardt GA. Self-referencing ceramic-based multisite microelectrodes for the detection and elimination of interferences from the measurement of L-glutamate and other analytes. Analytical Chemistry. 73: 1037-42. PMID 11289414 DOI: 10.1021/ac0010429  0.598
2001 Palmer MR, Granholm AC, van Horne CG, Giardina KE, Freund RK, Moorhead JW, Gerhardt GA. Intranigral transplantation of solid tissue ventral mesencephalon or striatal grafts induces behavioral recovery in 6-OHDA-lesioned rats. Brain Research. 890: 86-99. PMID 11164771 DOI: 10.1016/S0006-8993(00)03084-5  0.551
2000 Stanford JA, Giardina K, Gerhardt GA. In vivo microdialysis studies of age-related alterations in potassium-evoked overflow of dopamine in the dorsal striatum of Fischer 344 rats. International Journal of Developmental Neuroscience : the Official Journal of the International Society For Developmental Neuroscience. 18: 411-6. PMID 10817924 DOI: 10.1016/S0736-5748(00)00009-5  0.56
2000 Granholm AC, Reyland M, Albeck D, Sanders L, Gerhardt G, Hoernig G, Shen L, Westphal H, Hoffer B. Glial cell line-derived neurotrophic factor is essential for postnatal survival of midbrain dopamine neurons. The Journal of Neuroscience : the Official Journal of the Society For Neuroscience. 20: 3182-90. PMID 10777782 DOI: 10.1523/Jneurosci.20-09-03182.2000  0.687
2000 Burmeister JJ, Moxon K, Gerhardt GA. Ceramic-based multisite microelectrodes for electrochemical recordings. Analytical Chemistry. 72: 187-92. PMID 10655652 DOI: 10.1021/ac9907991  0.552
1999 Moxon KA, Gerhardt GA, Bickford PC, Austin K, Rose GM, Woodward DJ, Adler LE. Multiple single units and population responses during inhibitory gating of hippocampal auditory response in freely-moving rats. Brain Research. 825: 75-85. PMID 10216175 DOI: 10.1016/S0006-8993(99)01187-7  0.656
1999 Hoffman AF, Gerhardt GA. Differences in pharmacological properties of dopamine release between the substantia nigra and striatum: an in vivo electrochemical study. The Journal of Pharmacology and Experimental Therapeutics. 289: 455-63. PMID 10087038  0.643
1999 Zahniser NR, Larson GA, Gerhardt GA. In vivo dopamine clearance rate in rat striatum: regulation by extracellular dopamine concentration and dopamine transporter inhibitors. The Journal of Pharmacology and Experimental Therapeutics. 289: 266-77. PMID 10087014  0.599
1999 Gerhardt GA, Ksir C, Pivik C, Dickinson SD, Sabeti J, Zahniser NR. Methodology for coupling local application of dopamine and other chemicals with rapid in vivo electrochemical recordings in freely-moving rats. Journal of Neuroscience Methods. 87: 67-76. PMID 10065995 DOI: 10.1016/S0165-0270(98)00158-7  0.614
1999 Hebert MA, Larson GA, Zahniser NR, Gerhardt GA. Age-related reductions in [3H]WIN 35,428 binding to the dopamine transporter in nigrostriatal and mesolimbic brain regions of the fischer 344 rat. The Journal of Pharmacology and Experimental Therapeutics. 288: 1334-9. PMID 10027875  0.562
1999 Hoffman AF, Zahniser NR, Lupica CR, Gerhardt GA. Voltage-dependency of the dopamine transporter in the rat substantia nigra. Neuroscience Letters. 260: 105-8. PMID 10025710 DOI: 10.1016/S0304-3940(98)00951-3  0.809
1999 Hebert MA, Gerhardt GA. Age-related changes in the capacity, rate, and modulation of dopamine uptake within the striatum and nucleus accumbens of Fischer 344 rats: an in vivo electrochemical study. The Journal of Pharmacology and Experimental Therapeutics. 288: 879-87. PMID 9918602  0.311
1999 Gerhardt GA, Cass WA, Huettl P, Brock S, Zhang Z, Gash DM. GDNF improves dopamine function in the substantia nigra but not the putamen of unilateral MPTP-lesioned rhesus monkeys. Brain Research. 817: 163-71. PMID 9889359 DOI: 10.1016/S0006-8993(98)01244-X  0.645
1999 Dickinson SD, Sabeti J, Larson GA, Giardina K, Rubinstein M, Kelly MA, Grandy DK, Low MJ, Gerhardt GA, Zahniser NR. Dopamine D2 receptor-deficient mice exhibit decreased dopamine transporter function but no changes in dopamine release in dorsal striatum. Journal of Neurochemistry. 72: 148-56. PMID 9886065 DOI: 10.1046/J.1471-4159.1999.0720148.X  0.59
1999 Gerhardt GA, Maloney RE. Microdialysis studies of basal levels and stimulus-evoked overflow of dopamine and metabolites in the striatum of young and aged Fischer 344 rats. Brain Research. 816: 68-77. PMID 9878690  0.325
1998 Smith DA, Hoffman AF, David DJ, Adams CE, Gerhardt GA. Nicotine-evoked nitric oxide release in the rat hippocampal slice. Neuroscience Letters. 255: 127-30. PMID 9832189 DOI: 10.1016/S0304-3940(98)00725-3  0.564
1998 Hoffman AF, Lupica CR, Gerhardt GA. Dopamine transporter activity in the substantia nigra and striatum assessed by high-speed chronoamperometric recordings in brain slices. The Journal of Pharmacology and Experimental Therapeutics. 287: 487-96. PMID 9808671  0.762
1998 David DJ, Zahniser NR, Hoffer BJ, Gerhardt GA. In vivo electrochemical studies of dopamine clearance in subregions of rat nucleus accumbens: differential properties of the core and shell. Experimental Neurology. 153: 277-86. PMID 9784287 DOI: 10.1006/exnr.1998.6898  0.68
1998 Zahniser NR, Dickinson SD, Gerhardt GA. High-speed chronoamperometric electrochemical measurements of dopamine clearance. Methods in Enzymology. 296: 708-19. PMID 9779484 DOI: 10.1016/S0076-6879(98)96050-5  0.573
1998 Gash DM, Zhang Z, Gerhardt G. Neuroprotective and neurorestorative properties of GDNF. Annals of Neurology. 44: S121-5. PMID 9749583 DOI: 10.1002/Ana.410440718  0.384
1998 Hebert MA, Gerhardt GA. Normal and drug-induced locomotor behavior in aging: comparison to evoked DA release and tissue content in fischer 344 rats. Brain Research. 797: 42-54. PMID 9630504  0.336
1998 Yurek DM, Hipkens SB, Hebert MA, Gash DM, Gerhardt GA. Age-related decline in striatal dopamine release and motoric function in brown Norway/Fischer 344 hybrid rats. Brain Research. 791: 246-56. PMID 9593919 DOI: 10.1016/S0006-8993(98)00110-3  0.314
1998 Granholm AC, Henry S, Herbert MA, Eken S, Gerhardt GA, van Horne C. Kidney cografts enhance fiber outgrowth from ventral mesencephalic grafts to the 6-OHDA-lesioned striatum, and improve behavioral recovery. Cell Transplantation. 7: 197-212. PMID 9588601 DOI: 10.1016/S0963-6897(97)00168-1  0.554
1998 Hoffman AF, Gerhardt GA. In vivo electrochemical studies of dopamine clearance in the rat substantia nigra: effects of locally applied uptake inhibitors and unilateral 6-hydroxydopamine lesions. Journal of Neurochemistry. 70: 179-89. PMID 9422361 DOI: 10.1046/J.1471-4159.1998.70010179.X  0.64
1998 Gash DM, Gerhardt GA, Hoffer BJ. Effects of glial cell line-derived neurotrophic factor on the nigrostriatal dopamine system in rodents and nonhuman primates. Advances in Pharmacology (San Diego, Calif.). 42: 911-5. PMID 9328046 DOI: 10.1016/S1054-3589(08)60895-9  0.47
1998 Zahniser NR, Gerhardt GA, Hoffman AF, Lupica CR. Voltage-dependency of the dopamine transporter in rat brain. Advances in Pharmacology (San Diego, Calif.). 42: 195-8. PMID 9327877 DOI: 10.1016/S1054-3589(08)60726-7  0.792
1997 Granholm AC, Mott JL, Bowenkamp K, Eken S, Henry S, Hoffer BJ, Lapchak PA, Palmer MR, van Horne C, Gerhardt GA. Glial cell line-derived neurotrophic factor improves survival of ventral mesencephalic grafts to the 6-hydroxydopamine lesioned striatum. Experimental Brain Research. 116: 29-38. PMID 9305812 DOI: 10.1007/Pl00005741  0.636
1997 Diao LH, Bickford PC, Stevens JO, Cline EJ, Gerhardt GA. Caloric restriction enhances evoked DA overflow in striatum and nucleus accumbens of aged Fischer 344 rats. Brain Research. 763: 276-80. PMID 9296572 DOI: 10.1016/S0006-8993(97)00494-0  0.579
1997 Luthman J, Friedemann MN, Hoffer BJ, Gerhardt GA. In vivo electrochemical measurements of serotonin clearance in rat striatum: effects of neonatal 6-hydroxydopamine-induced serotonin hyperinnervation and serotonin uptake inhibitors. Journal of Neural Transmission (Vienna, Austria : 1996). 104: 379-97. PMID 9295172 DOI: 10.1007/BF01277658  0.419
1997 Hoffman AF, van Horne CG, Eken S, Hoffer BJ, Gerhardt GA. In vivo microdialysis studies on somatodendritic dopamine release in the rat substantia nigra: effects of unilateral 6-OHDA lesions and GDNF. Experimental Neurology. 147: 130-41. PMID 9294410 DOI: 10.1006/Exnr.1997.6571  0.71
1997 Bickford PC, Adams CE, Boyson SJ, Curella P, Gerhardt GA, Heron C, Ivy GO, Lin AM, Murphy MP, Poth K, Wallace DR, Young DA, Zahniser NR, Rose GM. Long-term treatment of male F344 rats with deprenyl: assessment of effects on longevity, behavior, and brain function. Neurobiology of Aging. 18: 309-18. PMID 9263197 DOI: 10.1016/S0197-4580(97)80313-2  0.756
1997 Hebert MA, Gerhardt GA. Behavioral and neurochemical effects of intranigral administration of glial cell line-derived neurotrophic factor on aged Fischer 344 rats. The Journal of Pharmacology and Experimental Therapeutics. 282: 760-8. PMID 9262339  0.32
1997 Srivastava N, Granholm AC, Gerhardt GA. Collateral sprouting of central noradrenergic neurons during aging: histochemical and neurochemical studies in intraocular triple transplants. Experimental Neurology. 145: 524-35. PMID 9217088 DOI: 10.1006/exnr.1997.6485  0.519
1997 Lin AM, Bickford PC, Palmer MR, Cline EJ, Gerhardt GA. Effects of ethanol and nomifensine on NE clearance in the cerebellum of young and aged Fischer 344 rats. Brain Research. 756: 287-92. PMID 9187345 DOI: 10.1016/S0006-8993(97)00229-1  0.53
1996 Hebert MA, Van Horne CG, Hoffer BJ, Gerhardt GA. Functional effects of GDNF in normal rat striatum: presynaptic studies using in vivo electrochemistry and microdialysis. The Journal of Pharmacology and Experimental Therapeutics. 279: 1181-90. PMID 8968339  0.567
1996 Flach KA, Adler LE, Gerhardt GA, Miller C, Bickford P, MacGregor RJ. Sensory gating in a computer model of the CA3 neural network of the hippocampus. Biological Psychiatry. 40: 1230-45. PMID 8959288 DOI: 10.1016/0006-3223(95)00624-9  0.495
1996 Gash DM, Zhang Z, Ovadia A, Cass WA, Yi A, Simmerman L, Russell D, Martin D, Lapchak PA, Collins F, Hoffer BJ, Gerhardt GA. Functional recovery in parkinsonian monkeys treated with GDNF. Nature. 380: 252-5. PMID 8637574 DOI: 10.1038/380252A0  0.721
1996 Friedemann MN, Gerhardt GA. In vivo electrochemical studies of the dynamic effects of locally applied excitatory amino acids in the striatum of the anesthetized rat. Experimental Neurology. 138: 53-63. PMID 8593896 DOI: 10.1006/exnr.1996.0046  0.331
1996 Gerhardt GA, Cass WA, Hudson J, Henson M, Zhang Z, Ovadia A, Hoffer BJ, Gash DM. In vivo electrochemical studies of dopamine overflow and clearance in the striatum of normal and MPTP-treated rhesus monkeys. Journal of Neurochemistry. 66: 579-88. PMID 8592127 DOI: 10.1046/J.1471-4159.1996.66020579.X  0.721
1995 Gash DM, Zhang Z, Cass WA, Ovadia A, Simmerman L, Martin D, Russell D, Collins F, Hoffer BJ, Gerhardt GA. Morphological and functional effects of intranigrally administered GDNF in normal rhesus monkeys. The Journal of Comparative Neurology. 363: 345-58. PMID 8847404 DOI: 10.1002/Cne.903630302  0.733
1995 Gerhardt GA, Cass WA, Henson M, Zhang Z, Ovadia A, Hoffer BJ, Gash DM. Age-related changes in potassium-evoked overflow of dopamine in the striatum of the rhesus monkey. Neurobiology of Aging. 16: 939-46. PMID 8622785 DOI: 10.1016/0197-4580(95)02013-6  0.703
1995 Cass WA, Friedemann MN, deBernardis JF, Kerkman DJ, Gerhardt GA. Effects of the putative antidepressant, ABT 200, on the clearance of exogenous norepinephrine in rat cerebellum. Synapse (New York, N.Y.). 21: 77-84. PMID 8525465 DOI: 10.1002/syn.890210111  0.6
1995 Cass WA, Gerhardt GA. In vivo assessment of dopamine uptake in rat medial prefrontal cortex: comparison with dorsal striatum and nucleus accumbens. Journal of Neurochemistry. 65: 201-7. PMID 7790861 DOI: 10.1046/J.1471-4159.1995.65010201.X  0.65
1995 Cass WA, Gerhardt GA, Zhang Z, Ovadia A, Gash DM. Increased dopamine clearance in the non-lesioned striatum of rhesus monkeys with unilateral 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP) striatal lesions. Neuroscience Letters. 185: 52-5. PMID 7731554 DOI: 10.1016/0304-3940(94)11223-6  0.617
1995 Bäckman C, Biddle PT, Ebendal T, Friden PM, Gerhardt GA, Henry MA, Mackerlova L, Söderström S, Strömberg I, Walus L. Effects of transferrin receptor antibody-NGF conjugate on young and aged septal transplants in oculo. Experimental Neurology. 132: 1-15. PMID 7720818 DOI: 10.1016/0014-4886(95)90037-3  0.482
1995 Hudson J, Granholm AC, Gerhardt GA, Henry MA, Hoffman A, Biddle P, Leela NS, Mackerlova L, Lile JD, Collins F. Glial cell line-derived neurotrophic factor augments midbrain dopaminergic circuits in vivo. Brain Research Bulletin. 36: 425-32. PMID 7712205 DOI: 10.1016/0361-9230(94)00224-O  0.735
1995 Cline EJ, Adams CE, Larson GA, Gerhardt GA, Zahniser NR. Medial dorsal striatum is more sensitive than lateral dorsal striatum to cocaine inhibition of exogenous dopamine clearance: relation to [3H]mazindol binding, but not striosome/matrix. Experimental Neurology. 134: 135-49. PMID 7672034 DOI: 10.1006/exnr.1995.1044  0.575
1995 Bowenkamp KE, Hoffman AF, Gerhardt GA, Henry MA, Biddle PT, Hoffer BJ, Granholm AC. Glial cell line-derived neurotrophic factor supports survival of injured midbrain dopaminergic neurons. The Journal of Comparative Neurology. 355: 479-89. PMID 7636027 DOI: 10.1002/Cne.903550402  0.758
1994 Granholm AC, Bäckman C, Bloom F, Ebendal T, Gerhardt GA, Hoffer B, Mackerlova L, Olson L, Söderström S, Walus LR. NGF and anti-transferrin receptor antibody conjugate: short and long-term effects on survival of cholinergic neurons in intraocular septal transplants. The Journal of Pharmacology and Experimental Therapeutics. 268: 448-59. PMID 8301587  0.638
1994 Hoffer BJ, Hoffman A, Bowenkamp K, Huettl P, Hudson J, Martin D, Lin LF, Gerhardt GA. Glial cell line-derived neurotrophic factor reverses toxin-induced injury to midbrain dopaminergic neurons in vivo. Neuroscience Letters. 182: 107-11. PMID 7891873 DOI: 10.1016/0304-3940(94)90218-6  0.704
1994 Cass WA, Gerhardt GA. Direct in vivo evidence that D2 dopamine receptors can modulate dopamine uptake. Neuroscience Letters. 176: 259-63. PMID 7830960 DOI: 10.1016/0304-3940(94)90096-5  0.642
1994 Granholm A, Biddle PT, Bäckman C, Ebendal T, Gerhardt G, Hoffer B, Mackerlova L, Olson L, Söderström S, Walus L, Friden P. Peripheral Administration of Nerve Growth Factor Conjugated to an Anti-transferrin Receptor Antibody Increases Cholinergic Neuron Survival in Intraocular Forebrain Transplants Methods in Neurosciences. 21: 71-92. DOI: 10.1016/B978-0-12-185291-7.50011-4  0.667
1993 Cass WA, Gerhardt GA, Gillespie K, Curella P, Mayfield RD, Zahniser NR. Reduced clearance of exogenous dopamine in rat nucleus accumbens, but not in dorsal striatum, following cocaine challenge in rats withdrawn from repeated cocaine administration. Journal of Neurochemistry. 61: 273-83. PMID 8515274 DOI: 10.1111/J.1471-4159.1993.Tb03565.X  0.726
1993 Luthman J, Friedemann MN, Hoffer BJ, Gerhardt GA. In vivo electrochemical measurements of exogenous dopamine clearance in normal and neonatal 6-hydroxydopamine-treated rat striatum. Experimental Neurology. 122: 273-82. PMID 8405264 DOI: 10.1006/exnr.1993.1127  0.537
1993 Hudson JL, van Horne CG, Strömberg I, Brock S, Clayton J, Masserano J, Hoffer BJ, Gerhardt GA. Correlation of apomorphine- and amphetamine-induced turning with nigrostriatal dopamine content in unilateral 6-hydroxydopamine lesioned rats. Brain Research. 626: 167-74. PMID 8281427 DOI: 10.1016/0006-8993(93)90576-9  0.506
1993 Cass WA, Zahniser NR, Flach KA, Gerhardt GA. Clearance of exogenous dopamine in rat dorsal striatum and nucleus accumbens: role of metabolism and effects of locally applied uptake inhibitors. Journal of Neurochemistry. 61: 2269-78. PMID 8245977 DOI: 10.1111/j.1471-4159.1993.tb07469.x  0.746
1993 Lin AM, Bickford PC, Palmer MR, Gerhardt GA. Ethanol inhibits the uptake of exogenous norepinephrine from the extracellular space of the rat cerebellum. Neuroscience Letters. 164: 71-5. PMID 8152619 DOI: 10.1016/0304-3940(93)90860-N  0.516
1993 Luthman J, Friedemann M, Bickford P, Olson L, Hoffer BJ, Gerhardt GA. In vivo electrochemical measurements and electrophysiological studies of rat striatum following neonatal 6-hydroxydopamine treatment. Neuroscience. 52: 677-87. PMID 7680793 DOI: 10.1016/0306-4522(93)90416-D  0.69
1992 Cass WA, Gerhardt GA, Mayfield RD, Curella P, Zahniser NR. Differences in dopamine clearance and diffusion in rat striatum and nucleus accumbens following systemic cocaine administration. Journal of Neurochemistry. 59: 259-66. PMID 1613502 DOI: 10.1111/J.1471-4159.1992.Tb08899.X  0.735
1992 Friedemann MN, Gerhardt GA. Regional effects of aging on dopaminergic function in the Fischer-344 rat. Neurobiology of Aging. 13: 325-32. PMID 1522947  0.323
1992 Bickford P, Heron C, Young DA, Gerhardt GA, De La Garza R. Impaired acquisition of novel locomotor tasks in aged and norepinephrine-depleted F344 rats. Neurobiology of Aging. 13: 475-81. PMID 1508298 DOI: 10.1016/0197-4580(92)90075-9  0.502
1992 van Horne C, Hoffer BJ, Strömberg I, Gerhardt GA. Clearance and diffusion of locally applied dopamine in normal and 6-hydroxydopamine-lesioned rat striatum. The Journal of Pharmacology and Experimental Therapeutics. 263: 1285-92. PMID 1469634 DOI: 10.1016/B978-0-08-042276-3.50038-0  0.509
1992 Miller CL, Bickford PC, Luntz-Leybman V, Adler LE, Gerhardt GA, Freedman R. Phencyclidine and auditory sensory gating in the hippocampus of the rat. Neuropharmacology. 31: 1041-8. PMID 1436386 DOI: 10.1016/0028-3908(92)90106-Y  0.509
1992 Granholm AC, Gerhardt GA, Bygdeman M, Strömberg I. Human fetal xenografts of brainstem tissue containing locus coeruleus neurons: functional and structural studies of intraocular grafts in athymic nude rats. Experimental Neurology. 118: 7-17. PMID 1397178 DOI: 10.1016/0014-4886(92)90017-K  0.525
1992 Zahniser NR, Mayfield RD, Cass WA, Gerhardt GA. Cocaine administration: D1 dopamine receptor function and dopamine clearance/diffusion in rat striatum and nucleus accumbens. Annals of the New York Academy of Sciences. 654: 537-9. PMID 1385936 DOI: 10.1111/J.1749-6632.1992.Tb26024.X  0.731
1992 Williams PJ, Dunwiddie TV, Gerhardt GA. Direct in vitro electrochemical measurement of dopamine overflow in intermediate pituitary: characterization and pharmacology. The Journal of Pharmacology and Experimental Therapeutics. 261: 403-11. PMID 1349639  0.595
1992 Hoffer BJ, Leenders KL, Young D, Gerhardt G, Zerbe GO, Bygdeman M, Seiger A, Olson L, Strömberg I, Freedman R. Eighteen-month course of two patients with grafts of fetal dopamine neurons for severe Parkinson's disease. Experimental Neurology. 118: 243-52. PMID 1306484 DOI: 10.1016/0014-4886(92)90181-O  0.524
1991 Bickford-Wimer P, Pang K, Rose GM, Gerhardt GA. Electrically-evoked release of norepinephrine in the rat cerebellum: an in vivo electrochemical and electrophysiological study. Brain Research. 558: 305-11. PMID 1782547 DOI: 10.1016/0006-8993(91)90782-Q  0.686
1991 Gerhardt GA, Palmer MR, Granholm AC. Age-induced changes in single locus coeruleus brain transplants grown in oculo: an in vivo electrochemical study. Neurobiology of Aging. 12: 487-94. PMID 1685219 DOI: 10.1016/0197-4580(91)90078-X  0.527
1991 Strömberg I, van Horne C, Bygdeman M, Weiner N, Gerhardt GA. Function of intraventricular human mesencephalic xenografts in immunosuppressed rats: an electrophysiological and neurochemical analysis. Experimental Neurology. 112: 140-52. PMID 1674693 DOI: 10.1016/0014-4886(91)90064-J  0.308
1990 Su MT, Dunwiddie TV, Gerhardt GA. Combined electrochemical and electrophysiological studies of monoamine overflow in rat hippocampal slices. Brain Research. 518: 149-58. PMID 2390719 DOI: 10.1016/0006-8993(90)90966-F  0.565
1990 Su MT, Dunwiddie TV, Mynlieff M, Gerhardt GA. Electrochemical characterization of stimulated norepinephrine overflow in locus coeruleus-hippocampus double brain grafts grown in oculo. Neuroscience Letters. 110: 186-92. PMID 2325884 DOI: 10.1016/0304-3940(90)90809-N  0.57
1990 van Horne CG, Bement S, Hoffer BJ, Gerhardt GA. Multichannel semiconductor-based electrodes for in vivo electrochemical and electrophysiological studies in rat CNS. Neuroscience Letters. 120: 249-52. PMID 2293112 DOI: 10.1016/0304-3940(90)90051-A  0.468
1990 Mynlieff M, Curella P, Zahniser NR, Gerhardt GA, Seiger A, Dunwiddie TV. Regulation of adrenergic receptors in intraocular hippocampal transplants: role of noradrenergic innervation. Synapse (New York, N.Y.). 6: 113-20. PMID 1978418 DOI: 10.1002/Syn.890060202  0.659
1989 Gerhardt GA, Friedemann M, Brodie MS, Vickroy TW, Gratton AP, Hoffer BJ, Rose GM. The effects of cholecystokinin (CCK-8) on dopamine-containing nerve terminals in the caudate nucleus and nucleus accumbens of the anesthetized rat: an in vivo electrochemical study. Brain Research. 499: 157-63. PMID 2804664 DOI: 10.1016/0006-8993(89)91146-3  0.761
1989 Gratton A, Hoffer BJ, Gerhardt GA. In vivo electrochemical studies of monoamine release in the medial prefrontal cortex of the rat. Neuroscience. 29: 57-64. PMID 2710348 DOI: 10.1016/0306-4522(89)90332-1  0.697
1989 Mahalik TJ, Strömberg I, Gerhardt GA, Granholm AC, Seiger A, Bygdeman M, Olson L, Hoffer BJ, Finger TE. Human ventral mesencephalic xenografts to the catecholamine-depleted striata of athymic rats: ultrastructure and immunocytochemistry. Synapse (New York, N.Y.). 4: 19-29. PMID 2570467 DOI: 10.1002/syn.890040104  0.769
1989 Eriksdotter-Nilsson M, Gerhardt G, Seiger A, Olson L, Hoffer B, Granholm AC. Age-related alterations in noradrenergic input to the hippocampal formation: structural and functional studies in intraocular transplants. Brain Research. 478: 269-80. PMID 2564300 DOI: 10.1016/0006-8993(89)91507-2  0.546
1989 Strömberg I, Almqvist P, Bygdeman M, Finger TE, Gerhardt G, Granholm AC, Mahalik TJ, Seiger A, Olson L, Hoffer B. Human fetal mesencephalic tissue grafted to dopamine-denervated striatum of athymic rats: light- and electron-microscopical histochemistry and in vivo chronoamperometric studies. The Journal of Neuroscience : the Official Journal of the Society For Neuroscience. 9: 614-24. PMID 2563765 DOI: 10.1523/Jneurosci.09-02-00614.1989  0.756
1989 Eriksdotter-Nilsson M, Gerhardt G, Seiger A, Hoffer B, Granholm AC. Multiple changes in noradrenergic mechanisms in the coeruleo-hippocampal pathway during aging. Structural and functional correlates in intraocular double grafts. Neurobiology of Aging. 10: 117-24. PMID 2542818 DOI: 10.1016/0197-4580(89)90020-1  0.637
1989 Gerhardt GA, Dwoskin LP, Zahniser NR. Outflow and overflow of picogram levels of endogenous dopamine and DOPAC from rat striatal slices: improved methodology for studies of stimulus-evoked release and metabolism. Journal of Neuroscience Methods. 26: 217-27. PMID 2521916 DOI: 10.1016/0165-0270(89)90119-2  0.612
1989 Stromberg I, Almqvist P, Bygdeman M, Finger T, Gerhardt G, Granholm A, Mahalik T, Seiger A, Olson L, Hoffer B. Human fetal mesencephalic tissue grafted to dopamine-denervated striatum of athymic rats: light- and electron-microscopical histochemistry and in vivo chronoamperometric studies The Journal of Neuroscience. 9: 614-624. DOI: 10.1523/JNEUROSCI.09-02-00614.1989  0.476
1988 Adler LE, Pang K, Gerhardt G, Rose GM. Modulation of the gating of auditory evoked potentials by norepinephrine: pharmacological evidence obtained using a selective neurotoxin. Biological Psychiatry. 24: 179-90. PMID 3390498 DOI: 10.1016/0006-3223(88)90273-9  0.682
1988 Gratton A, Hoffer BJ, Gerhardt GA. Effects of electrical stimulation of brain reward sites on release of dopamine in rat: an in vivo electrochemical study. Brain Research Bulletin. 21: 319-24. PMID 3263894 DOI: 10.1016/0361-9230(88)90247-X  0.696
1988 Gratton A, Hoffer BJ, Gerhardt GA, Wise RA. Potentiation of morphine-elicited circling by dopaminergic uptake blockade. Pharmacology, Biochemistry, and Behavior. 30: 1077-9. PMID 3227032 DOI: 10.1016/0091-3057(88)90142-6  0.669
1988 Bickford-Wimer PC, Granholm AC, Gerhardt GA. Cerebellar noradrenergic systems in aging: studies in situ and in in oculo grafts. Neurobiology of Aging. 9: 591-9. PMID 3211262 DOI: 10.1016/S0197-4580(88)80118-0  0.542
1988 Granholm AC, Gerhardt GA, Moore E, Eriksdotter-Nilsson M, Nylén P, Johnson AC, Henschen A, Shirley MA, Palmer MR, Hoffer BJ. Toluene exposure during maturation of intraocular brain tissue transplants: alterations of host and graft cerebellar Purkinje neuron function and sensitivity to norepinephrine. Toxicology and Applied Pharmacology. 96: 296-304. PMID 3194916 DOI: 10.1016/0041-008X(88)90088-9  0.632
1988 Strömberg I, Almqvist P, Bygdeman M, Finger TE, Gerhardt G, Granholm AC, Mahalik TJ, Seiger A, Hoffer B, Olson L. Intracerebral xenografts of human mesencephalic tissue into athymic rats: immunochemical and in vivo electrochemical studies. Proceedings of the National Academy of Sciences of the United States of America. 85: 8331-4. PMID 3186728 DOI: 10.1073/Pnas.85.21.8331  0.79
1988 Ng Cheong Ton JM, Gerhardt GA, Friedemann M, Etgen AM, Rose GM, Sharpless NS, Gardner EL. The effects of delta 9-tetrahydrocannabinol on potassium-evoked release of dopamine in the rat caudate nucleus: an in vivo electrochemical and in vivo microdialysis study. Brain Research. 451: 59-68. PMID 2855215 DOI: 10.1016/0006-8993(88)90749-4  0.595
1987 Granholm AC, Gerhardt GA, Eriksdotter-Nilsson M, Bickford-Wimer PC, Palmer MR, Seiger A, Olson L, Hoffer BJ. Age-related changes in cerebellar noradrenergic pre- and postsynaptic mechanisms: intrinsic vs extrinsic determinants evaluated with brain grafts in oculo. Brain Research. 423: 71-8. PMID 3676821 DOI: 10.1016/0006-8993(87)90826-2  0.647
1987 Gerhardt GA, Rose GM, Hoffer BJ. In vivo electrochemical demonstration of potassium-evoked monoamine release from rat cerebellum. Brain Research. 413: 327-35. PMID 3607482 DOI: 10.1016/0006-8993(87)91024-9  0.635
1987 Hoffer BJ, Gerhardt GA, Rose GM, Strömberg I, Olson L. Voltammetric analysis of nigral graft function. Annals of the New York Academy of Sciences. 495: 510-27. PMID 3111328 DOI: 10.1111/j.1749-6632.1987.tb23697.x  0.651
1987 Olson L, Backlund EO, Gerhardt G, Hoffer B, Lindvall O, Rose G, Seiger A, Strömberg I. Nigral and adrenal grafts in parkinsonism: recent basic and clinical studies. Advances in Neurology. 45: 85-94. PMID 3030073  0.464
1987 Freedman R, Adler LE, Gerhardt GA, Waldo M, Baker N, Rose GM, Drebing C, Nagamoto H, Bickford-Wimer P, Franks R. Neurobiological studies of sensory gating in schizophrenia. Schizophrenia Bulletin. 13: 669-78. PMID 2894074 DOI: 10.1093/Schbul/13.4.669  0.488
1987 Spuhler K, Gerhardt G, Palmer MR. CNS monoamine levels and the effect of DSP4 on ethanol sensitivity in LS and SS mice. Alcohol (Fayetteville, N.Y.). 4: 419-24. PMID 2893630 DOI: 10.1016/0741-8329(87)90078-4  0.325
1986 Rose GM, Gerhardt GA, Conboy GL, Hoffer BJ. Age-related alterations in monoamine release from rat striatum: an in vivo electrochemical study. Neurobiology of Aging. 7: 77-82. PMID 3960266 DOI: 10.1016/0197-4580(86)90143-0  0.656
1986 Gerhardt GA, Rose GM, Hoffer BJ. Release of monoamines from striatum of rat and mouse evoked by local application of potassium: evaluation of a new in vivo electrochemical technique. Journal of Neurochemistry. 46: 842-50. PMID 3950610 DOI: 10.1111/j.1471-4159.1986.tb13048.x  0.657
1985 Rose G, Gerhardt G, Strömberg I, Olson L, Hoffer B. Monoamine release from dopamine-depleted rat caudate nucleus reinnervated by substantia nigra transplants: an in vivo electrochemical study. Brain Research. 341: 92-100. PMID 4041791 DOI: 10.1016/0006-8993(85)91476-3  0.422
1985 Rice ME, Gerhardt GA, Hierl PM, Nagy G, Adams RN. Diffusion coefficients of neurotransmitters and their metabolites in brain extracellular fluid space. Neuroscience. 15: 891-902. PMID 2866468 DOI: 10.1016/0306-4522(85)90087-9  0.586
1985 Gerhardt G, Rose G, Strömberg I, Conboy G, Olson L, Jonsson G, Hoffer B. Dopaminergic neurotoxicity of 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP) in the mouse: an in vivo electrochemical study. The Journal of Pharmacology and Experimental Therapeutics. 235: 259-65. PMID 2864435  0.302
1985 Nagy G, Gerhardt GA, Oke AF, Rice ME, Adams RN, Szentirmay MN, Martin CR. Ion exchange and transport of neurotransmitters in nation films on conventional and microelectrode surfaces Journal of Electroanalytical Chemistry. 188: 85-94. DOI: 10.1016/S0022-0728(85)80052-8  0.566
1984 Gerhardt GA, Oke AF, Nagy G, Moghaddam B, Adams RN. Nafion-coated electrodes with high selectivity for CNS electrochemistry. Brain Research. 290: 390-5. PMID 6692152 DOI: 10.1016/0006-8993(84)90963-6  0.617
1984 Renner KJ, Gerhardt GA, Quadagno DM. Brain catecholamine content during the estrous cycle and in steroid-primed rats. Brain Research Bulletin. 12: 363-8. PMID 6539636 DOI: 10.1016/0361-9230(84)90105-9  0.592
1984 Gerhardt GA, Palmer MR, Seiger A, Adams RN, Olson L, Hoffer BJ. Adrenergic transmission in hippocampus-locus coeruleus double grafts in oculo: demonstration by in vivo electrochemical detection. Brain Research. 306: 319-25. PMID 6087976 DOI: 10.1016/0006-8993(84)90381-0  0.623
1982 Gerhardt G, Adams RN. Determination of diffusion coefficients by flow injection analysis Analytical Chemistry. 54: 2618-2620. DOI: 10.1021/AC00251A054  0.456
1982 Gerhardt GA, Adams RN. Battery-powered apparatus for chronoamperometric measurements Analytical Chemistry. 54: 1888-1889. DOI: 10.1021/AC00248A057  0.381
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