Alapakkam P. Sampath - Publications

Affiliations: 
University of Southern California, Los Angeles, CA, United States 
Area:
retina

57 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
2022 Frederiksen R, Fain GL, Sampath AP. A hyperpolarizing rod bipolar cell in the sea lamprey, Petromyzon marinus. The Journal of Experimental Biology. PMID 35319772 DOI: 10.1242/jeb.243949  0.473
2022 Morshedian A, Sendek G, Ng SY, Boyd K, Radu RA, Liu M, Artemyev NO, Sampath AP, Fain GL. Reproducibility of the rod photoreceptor response depends critically on concentration of the phosphodiesterase effector enzyme. The Journal of Neuroscience : the Official Journal of the Society For Neuroscience. PMID 35091503 DOI: 10.1523/JNEUROSCI.2119-21.2021  0.751
2021 Fain GL, Sampath AP. Light responses of mammalian cones. Pflugers Archiv : European Journal of Physiology. PMID 33742309 DOI: 10.1007/s00424-021-02551-0  0.801
2021 Frederiksen R, Morshedian A, Tripathy SA, Xu T, Travis GH, Fain GL, Sampath AP. Rod photoreceptors avoid saturation in bright light by the movement of the G protein transducin. The Journal of Neuroscience : the Official Journal of the Society For Neuroscience. PMID 33593858 DOI: 10.1523/JNEUROSCI.2817-20.2021  0.808
2021 Morshedian A, Huynh TH, Frederiksen R, Fain GL, Sampath AP. Pupillary light reflex of lamprey Petromyzon marinus. Current Biology : Cb. 31: R65-R66. PMID 33497630 DOI: 10.1016/j.cub.2020.11.021  0.77
2020 Ingram NT, Fain GL, Sampath AP. Elevated energy requirement of cone photoreceptors. Proceedings of the National Academy of Sciences of the United States of America. PMID 32719136 DOI: 10.1073/Pnas.2001776117  0.82
2020 Ellis EM, Frederiksen R, Morshedian A, Fain GL, Sampath AP. Separate ON and OFF pathways in vertebrate vision first arose during the Cambrian. Current Biology : Cb. 30: R633-R634. PMID 32516608 DOI: 10.1016/J.Cub.2020.04.032  0.743
2020 Chen NS, Ingram NT, Frederiksen R, Sampath AP, Chen J, Fain GL. Diminished Cone Sensitivity in cpfl3 Mice Is Caused by Defective Transducin Signaling. Investigative Ophthalmology & Visual Science. 61: 26. PMID 32315379 DOI: 10.1167/Iovs.61.4.26  0.809
2020 Peng YR, Sampath AP. LRR-ning the Rules: Synapse Organization in the Primary Rod Pathway. Neuron. 105: 949-951. PMID 32191854 DOI: 10.1016/J.Neuron.2020.02.027  0.429
2020 Ingram NT, Sampath AP, Fain GL. Membrane conductances of mouse cone photoreceptors. The Journal of General Physiology. 152. PMID 31986199 DOI: 10.1085/Jgp.201912520  0.793
2019 Ingram NT, Sampath AP, Fain GL. Voltage-clamp recordings of light responses from wild-type and mutant mouse cone photoreceptors. The Journal of General Physiology. PMID 31562185 DOI: 10.1085/Jgp.201912419  0.83
2019 Wang T, Pahlberg J, Cafaro J, Frederiksen R, Cooper AJ, Sampath AP, Field GD, Chen J. Activation of rod input in a model of retinal degeneration reverses retinal remodeling and induces formation of functional synapses and recovery of visual signaling in the adult retina. The Journal of Neuroscience : the Official Journal of the Society For Neuroscience. PMID 31285302 DOI: 10.1523/Jneurosci.2902-18.2019  0.844
2019 Morshedian A, Kaylor JJ, Ng SY, Tsan A, Frederiksen R, Xu T, Yuan L, Sampath AP, Radu RA, Fain GL, Travis GH. Light-Driven Regeneration of Cone Visual Pigments through a Mechanism Involving RGR Opsin in Müller Glial Cells. Neuron. PMID 31056353 DOI: 10.1016/J.Neuron.2019.04.004  0.806
2018 Fain G, Sampath AP. Rod and cone interactions in the retina. F1000research. 7. PMID 29899971 DOI: 10.12688/f1000research.14412.1  0.771
2018 Sarria I, Cao Y, Wang Y, Ingram NT, Orlandi C, Kamasawa N, Kolesnikov AV, Pahlberg J, Kefalov VJ, Sampath AP, Martemyanov KA. LRIT1 Modulates Adaptive Changes in Synaptic Communication of Cone Photoreceptors. Cell Reports. 22: 3562-3573. PMID 29590623 DOI: 10.1016/J.Celrep.2018.03.008  0.818
2017 Martemyanov KA, Sampath AP. The Transduction Cascade in Retinal ON-Bipolar Cells: Signal Processing and Disease. Annual Review of Vision Science. PMID 28715957 DOI: 10.1146/annurev-vision-102016-061338  0.346
2017 Wang Y, Fehlhaber KE, Sarria I, Cao Y, Ingram NT, Guerrero-Given D, Throesch B, Baldwin K, Kamasawa N, Ohtsuka T, Sampath AP, Martemyanov KA. The Auxiliary Calcium Channel Subunit α2δ4 Is Required for Axonal Elaboration, Synaptic Transmission, and Wiring of Rod Photoreceptors. Neuron. PMID 28262416 DOI: 10.1016/J.Neuron.2017.02.021  0.772
2017 Field GD, Sampath AP. Behavioural and physiological limits to vision in mammals. Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences. 372. PMID 28193817 DOI: 10.1098/rstb.2016.0072  0.789
2017 Pahlberg J, Fredriksen R, Pollock GE, Miyagishima KJ, Sampath AP, Cornwall MC. Voltage-sensitive conductances increase the sensitivity of rod photoresponses following pigment bleaching. The Journal of Physiology. PMID 28168711 DOI: 10.1113/Jp273398  0.839
2016 Ingram NT, Sampath AP, Fain GL. Why are rods more sensitive than cones? The Journal of Physiology. PMID 27218707 DOI: 10.1113/Jp272556  0.827
2016 Cho A, Ratliff C, Sampath A, Weiland J. Changes in ganglion cell physiology during retinal degeneration influence excitability by prosthetic electrodes. Journal of Neural Engineering. 13: 025001. PMID 26905177 DOI: 10.1088/1741-2560/13/2/025001  0.422
2015 Cao Y, Sarria I, Fehlhaber KE, Kamasawa N, Orlandi C, James KN, Hazen JL, Gardner MR, Farzan M, Lee A, Baker S, Baldwin K, Sampath AP, Martemyanov KA. Mechanism for Selective Synaptic Wiring of Rod Photoreceptors into the Retinal Circuitry and Its Role in Vision. Neuron. 87: 1248-60. PMID 26402607 DOI: 10.1016/J.Neuron.2015.09.002  0.826
2015 Majumder A, Pahlberg J, Muradov H, Boyd KK, Sampath AP, Artemyev NO. Exchange of Cone for Rod Phosphodiesterase 6 Catalytic Subunits in Rod Photoreceptors Mimics in Part Features of Light Adaptation. The Journal of Neuroscience : the Official Journal of the Society For Neuroscience. 35: 9225-35. PMID 26085644 DOI: 10.1523/Jneurosci.3563-14.2015  0.841
2015 Sarria I, Pahlberg J, Cao Y, Kolesnikov AV, Kefalov VJ, Sampath AP, Martemyanov KA. Sensitivity and kinetics of signal transmission at the first visual synapse differentially impact visually-guided behavior. Elife. 4: e06358. PMID 25879270 DOI: 10.7554/Elife.06358  0.773
2015 Sarria I, Pahlberg J, Cao Y, Kolesnikov AV, Kefalov VJ, Sampath AP, Martemyanov KA. Author response: Sensitivity and kinetics of signal transmission at the first visual synapse differentially impact visually-guided behavior Elife. DOI: 10.7554/Elife.06358.024  0.779
2013 Reingruber J, Pahlberg J, Woodruff ML, Sampath AP, Fain GL, Holcman D. Detection of single photons by toad and mouse rods. Proceedings of the National Academy of Sciences of the United States of America. 110: 19378-83. PMID 24214653 DOI: 10.1073/Pnas.1314030110  0.82
2013 Majumder A, Pahlberg J, Boyd KK, Kerov V, Kolandaivelu S, Ramamurthy V, Sampath AP, Artemyev NO. Transducin translocation contributes to rod survival and enhances synaptic transmission from rods to rod bipolar cells. Proceedings of the National Academy of Sciences of the United States of America. 110: 12468-73. PMID 23836670 DOI: 10.1073/Pnas.1222666110  0.853
2013 Chen SK, Chew KS, McNeill DS, Keeley PW, Ecker JL, Mao BQ, Pahlberg J, Kim B, Lee SC, Fox MA, Guido W, Wong KY, Sampath AP, Reese BE, Kuruvilla R, et al. Apoptosis regulates ipRGC spacing necessary for rods and cones to drive circadian photoentrainment. Neuron. 77: 503-15. PMID 23395376 DOI: 10.1016/J.Neuron.2012.11.028  0.838
2013 Mao W, Miyagishima KJ, Yao Y, Soreghan B, Sampath AP, Chen J. Functional comparison of rod and cone Gα(t) on the regulation of light sensitivity. The Journal of Biological Chemistry. 288: 5257-67. PMID 23288843 DOI: 10.1074/Jbc.M112.430058  0.837
2012 Cho AK, Sampath AP, Weiland JD. Physiological response of normal and RD mouse retinal ganglion cells to electrical stimulation. Conference Proceedings : ... Annual International Conference of the Ieee Engineering in Medicine and Biology Society. Ieee Engineering in Medicine and Biology Society. Annual Conference. 2012: 2985-8. PMID 23366552 DOI: 10.1109/EMBC.2012.6346591  0.381
2012 Cao Y, Pahlberg J, Sarria I, Kamasawa N, Sampath AP, Martemyanov KA. Regulators of G protein signaling RGS7 and RGS11 determine the onset of the light response in ON bipolar neurons. Proceedings of the National Academy of Sciences of the United States of America. 109: 7905-10. PMID 22547806 DOI: 10.1073/Pnas.1202332109  0.828
2012 Arman AC, Sampath AP. Dark-adapted response threshold of OFF ganglion cells is not set by OFF bipolar cells in the mouse retina. Journal of Neurophysiology. 107: 2649-59. PMID 22338022 DOI: 10.1152/jn.01202.2011  0.56
2011 Cho AK, Sampath AP, Weiland JD. Physiological response of mouse retinal ganglion cells to electrical stimulation: effect of soma size. Conference Proceedings : ... Annual International Conference of the Ieee Engineering in Medicine and Biology Society. Ieee Engineering in Medicine and Biology Society. Annual Conference. 2011: 1081-4. PMID 22254501 DOI: 10.1109/IEMBS.2011.6090252  0.382
2011 Doroudchi MM, Greenberg KP, Liu J, Silka KA, Boyden ES, Lockridge JA, Arman AC, Janani R, Boye SE, Boye SL, Gordon GM, Matteo BC, Sampath AP, Hauswirth WW, Horsager A. Virally delivered channelrhodopsin-2 safely and effectively restores visual function in multiple mouse models of blindness. Molecular Therapy : the Journal of the American Society of Gene Therapy. 19: 1220-9. PMID 21505421 DOI: 10.1038/Mt.2011.69  0.459
2011 Pahlberg J, Sampath AP. Visual threshold is set by linear and nonlinear mechanisms in the retina that mitigate noise: how neural circuits in the retina improve the signal-to-noise ratio of the single-photon response. Bioessays : News and Reviews in Molecular, Cellular and Developmental Biology. 33: 438-47. PMID 21472740 DOI: 10.1002/Bies.201100014  0.783
2010 Arman AC, Sampath AP. Patch clamp recordings from mouse retinal neurons in a dark-adapted slice preparation. Journal of Visualized Experiments : Jove. PMID 20864928 DOI: 10.3791/2107  0.574
2010 Okawa H, Pahlberg J, Rieke F, Birnbaumer L, Sampath AP. Coordinated control of sensitivity by two splice variants of Gα(o) in retinal ON bipolar cells. The Journal of General Physiology. 136: 443-54. PMID 20837674 DOI: 10.1085/Jgp.201010477  0.813
2010 Altimus CM, Güler AD, Alam NM, Arman AC, Prusky GT, Sampath AP, Hattar S. Rod photoreceptors drive circadian photoentrainment across a wide range of light intensities. Nature Neuroscience. 13: 1107-12. PMID 20711184 DOI: 10.1038/Nn.2617  0.76
2010 Linton JD, Holzhausen LC, Babai N, Song H, Miyagishima KJ, Stearns GW, Lindsay K, Wei J, Chertov AO, Peters TA, Caffe R, Pluk H, Seeliger MW, Tanimoto N, Fong K, ... ... Sampath AP, et al. Flow of energy in the outer retina in darkness and in light. Proceedings of the National Academy of Sciences of the United States of America. 107: 8599-604. PMID 20445106 DOI: 10.1073/Pnas.1002471107  0.801
2010 Okawa H, Miyagishima KJ, Arman AC, Hurley JB, Field GD, Sampath AP. Optimal processing of photoreceptor signals is required to maximize behavioural sensitivity. The Journal of Physiology. 588: 1947-60. PMID 20403975 DOI: 10.1113/jphysiol.2010.188573  0.81
2010 Matthews HR, Sampath AP. Photopigment quenching is Ca2+ dependent and controls response duration in salamander L-cone photoreceptors. The Journal of General Physiology. 135: 355-66. PMID 20231373 DOI: 10.1085/jgp.200910394  0.46
2009 Sampath AP, Fain GL. Setting the absolute threshold of vision. F1000 Biology Reports. 1: 66. PMID 20495680 DOI: 10.3410/B1-66  0.736
2009 Singer JH, Glowatzki E, Moser T, Strowbridge BW, Bhandawat V, Sampath AP. Functional properties of synaptic transmission in primary sense organs. The Journal of Neuroscience : the Official Journal of the Society For Neuroscience. 29: 12802-6. PMID 19828792 DOI: 10.1523/Jneurosci.3346-09.2009  0.358
2009 Miyagishima KJ, Cornwall MC, Sampath AP. Metabolic constraints on the recovery of sensitivity after visual pigment bleaching in retinal rods. The Journal of General Physiology. 134: 165-75. PMID 19687232 DOI: 10.1085/Jgp.200910267  0.833
2009 Cao Y, Masuho I, Okawa H, Xie K, Asami J, Kammermeier PJ, Maddox DM, Furukawa T, Inoue T, Sampath AP, Martemyanov KA. Retina-specific GTPase accelerator RGS11/G beta 5S/R9AP is a constitutive heterotrimer selectively targeted to mGluR6 in ON-bipolar neurons. The Journal of Neuroscience : the Official Journal of the Society For Neuroscience. 29: 9301-13. PMID 19625520 DOI: 10.1523/Jneurosci.1367-09.2009  0.619
2009 Miyagishima KJ, Cornwall MC, Sampath AP. Control Of Sensitivity Following Pigment Bleaching By NADPH In Salamander Rods Biophysical Journal. 96: 528a. DOI: 10.1016/J.Bpj.2008.12.2725  0.741
2008 Okawa H, Sampath AP, Laughlin SB, Fain GL. ATP consumption by mammalian rod photoreceptors in darkness and in light. Current Biology : Cb. 18: 1917-21. PMID 19084410 DOI: 10.1016/j.cub.2008.10.029  0.826
2008 Cao Y, Song H, Okawa H, Sampath AP, Sokolov M, Martemyanov KA. Targeting of RGS7/Gbeta5 to the dendritic tips of ON-bipolar cells is independent of its association with membrane anchor R7BP. The Journal of Neuroscience : the Official Journal of the Society For Neuroscience. 28: 10443-9. PMID 18842904 DOI: 10.1523/Jneurosci.3282-08.2008  0.567
2007 Okawa H, Sampath AP. Optimization of single-photon response transmission at the rod-to-rod bipolar synapse. Physiology (Bethesda, Md.). 22: 279-86. PMID 17699881 DOI: 10.1152/physiol.00007.2007  0.693
2006 Dunn FA, Doan T, Sampath AP, Rieke F. Controlling the gain of rod-mediated signals in the Mammalian retina. The Journal of Neuroscience : the Official Journal of the Society For Neuroscience. 26: 3959-70. PMID 16611812 DOI: 10.1523/Jneurosci.5148-05.2006  0.839
2005 Sampath AP, Strissel KJ, Elias R, Arshavsky VY, McGinnis JF, Chen J, Kawamura S, Rieke F, Hurley JB. Recoverin improves rod-mediated vision by enhancing signal transmission in the mouse retina. Neuron. 46: 413-20. PMID 15882641 DOI: 10.1016/J.Neuron.2005.04.006  0.804
2005 Field GD, Sampath AP, Rieke F. Retinal processing near absolute threshold: from behavior to mechanism. Annual Review of Physiology. 67: 491-514. PMID 15709967 DOI: 10.1146/annurev.physiol.67.031103.151256  0.841
2004 Sampath AP, Rieke F. Selective transmission of single photon responses by saturation at the rod-to-rod bipolar synapse. Neuron. 41: 431-43. PMID 14766181 DOI: 10.1016/S0896-6273(04)00005-4  0.784
2002 Woodruff ML, Sampath AP, Matthews HR, Krasnoperova NV, Lem J, Fain GL. Measurement of cytoplasmic calcium concentration in the rods of wild-type and transducin knock-out mice. The Journal of Physiology. 542: 843-54. PMID 12154183 DOI: 10.1113/Jphysiol.2001.013987  0.734
2002 Sampath AP, Baylor DA. Molecular mechanism of spontaneous pigment activation in retinal cones. Biophysical Journal. 83: 184-93. PMID 12080111 DOI: 10.1016/S0006-3495(02)75160-6  0.776
1999 Sampath AP, Matthews HR, Cornwall MC, Bandarchi J, Fain GL. Light-dependent changes in outer segment free-Ca2+ concentration in salamander cone photoreceptors. The Journal of General Physiology. 113: 267-77. PMID 9925824 DOI: 10.1085/jgp.113.2.267  0.767
1998 Sampath AP, Matthews HR, Cornwall MC, Fain GL. Bleached pigment produces a maintained decrease in outer segment Ca2+ in salamander rods. The Journal of General Physiology. 111: 53-64. PMID 9417134 DOI: 10.1085/jgp.111.1.53  0.743
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