Stephan N. Witt, Ph.D. - Publications

Affiliations: 
1993- Biochemistry & Molecular Biology Louisiana State University Health Sciences Center - Shreveport 
Area:
alpha-synuclein, amyloid, melanoma, neurodegeneration, Parkinson's disease, vesicular trafficking

23/70 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 Arnold MR, Cohn GM, Oxe KC, Elliott SN, Moore C, Laraia PV, Shekoohi S, Brownell D, Meshul CK, Witt SN, Larsen DH, Unni VK. Alpha-synuclein regulates nucleolar DNA double-strand break repair in melanoma. Biorxiv : the Preprint Server For Biology. PMID 38260370 DOI: 10.1101/2024.01.13.575526  0.577
2023 Gajendran N, Rajasekaran S, Witt SN. Knocking out alpha-synuclein in melanoma cells downregulates L1CAM and decreases motility. Scientific Reports. 13: 9243. PMID 37286800 DOI: 10.1038/s41598-023-36451-3  0.309
2022 Rajasekaran S, Patel D, Witt SN. α-synuclein and phosphoinositide-binding proteins: α-synuclein inhibits the association of PX- but not FYVE-containing proteins with vesicles in vivo. Biochemical and Biophysical Research Communications. 603: 7-12. PMID 35263697 DOI: 10.1016/j.bbrc.2022.01.101  0.58
2021 Rajasekaran S, Peterson PP, Liu Z, Robinson LC, Witt SN. α-Synuclein inhibits Snx3-retromer retrograde trafficking of the conserved membrane-bound proprotein convertase Kex2 in the secretory pathway of Saccharomyces cerevisiae. Human Molecular Genetics. PMID 34570221 DOI: 10.1093/hmg/ddab284  0.313
2021 Shekoohi S, Rajasekaran S, Patel D, Yang S, Liu W, Huang S, Yu X, Witt SN. Knocking out alpha-synuclein in melanoma cells dysregulates cellular iron metabolism and suppresses tumor growth. Scientific Reports. 11: 5267. PMID 33664298 DOI: 10.1038/s41598-021-84443-y  0.673
2018 Patel D, Witt SN. Sorting Out the Role of α-Synuclein in Retromer-Mediated Endosomal Protein Sorting. Journal of Experimental Neuroscience. 12: 1179069518796215. PMID 30158827 DOI: 10.1177/1179069518796215  0.575
2018 Patel D, Xu C, Nagarajan S, Liu Z, Hemphill WO, Shi R, Uversky VN, Caldwell GA, Caldwell KA, Witt SN. Alpha-synuclein inhibits Snx3-retromer-mediated retrograde recycling of iron transporters in S. cerevisiae and C. elegans models of Parkinson's disease. Human Molecular Genetics. PMID 29452354 DOI: 10.1093/Hmg/Ddy059  0.532
2017 Patel D, Witt SN. Ethanolamine and Phosphatidylethanolamine: Partners in Health and Disease. Oxidative Medicine and Cellular Longevity. 2017: 4829180. PMID 28785375 DOI: 10.1155/2017/4829180  0.486
2016 Wang S, Zhang S, Xu C, Barron A, Galiano F, Patel D, Lee YJ, Caldwell GA, Caldwell KA, Witt SN. Chemical Compensation of Mitochondrial Phospholipid Depletion in Yeast and Animal Models of Parkinson's Disease. Plos One. 11: e0164465. PMID 27736935 DOI: 10.1371/Journal.Pone.0164465  0.537
2011 Liu X, Lee YJ, Liou LC, Ren Q, Zhang Z, Wang S, Witt SN. Alpha-synuclein functions in the nucleus to protect against hydroxyurea-induced replication stress in yeast. Human Molecular Genetics. 20: 3401-14. PMID 21642386 DOI: 10.1093/Hmg/Ddr246  0.312
2008 Liang J, Clark-Dixon C, Wang S, Flower TR, Williams-Hart T, Zweig R, Robinson LC, Tatchell K, Witt SN. Novel suppressors of alpha-synuclein toxicity identified using yeast. Human Molecular Genetics. 17: 3784-95. PMID 18772193 DOI: 10.1093/Hmg/Ddn276  0.682
2007 Flower TR, Clark-Dixon C, Metoyer C, Yang H, Shi R, Zhang Z, Witt SN. YGR198w (YPP1) targets A30P alpha-synuclein to the vacuole for degradation. The Journal of Cell Biology. 177: 1091-104. PMID 17576801 DOI: 10.1083/Jcb.200610071  0.667
2006 Witt SN, Flower TR. alpha-Synuclein, oxidative stress and apoptosis from the perspective of a yeast model of Parkinson's disease. Fems Yeast Research. 6: 1107-16. PMID 17156009 DOI: 10.1111/j.1567-1364.2006.00135.x  0.681
2005 Flower TR, Chesnokova LS, Froelich CA, Dixon C, Witt SN. Heat shock prevents alpha-synuclein-induced apoptosis in a yeast model of Parkinson's disease. Journal of Molecular Biology. 351: 1081-100. PMID 16051265 DOI: 10.1016/J.Jmb.2005.06.060  0.677
2004 Flower TR, Witt SN. Mutational analysis of the yeast nucleotide exchange factor Mge1p Journal of the Chinese Chemical Society. 51: 1141-1146.  0.656
2003 Chesnokova LS, Slepenkov SV, Protasevich II, Sehorn MG, Brouillette CG, Witt SN. Deletion of DnaK's lid strengthens binding to the nucleotide exchange factor, GrpE: a kinetic and thermodynamic analysis. Biochemistry. 42: 9028-40. PMID 12885236 DOI: 10.1021/Bi0346493  0.652
2002 Sehorn MG, Slepenkov SV, Witt SN. Characterization of two partially unfolded intermediates of the molecular chaperone DnaK at low pH. Biochemistry. 41: 8499-507. PMID 12081501 DOI: 10.1021/Bi025810X  0.639
2001 Buczynski G, Slepenkov SV, Sehorn MG, Witt SN. Characterization of a lidless form of the molecular chaperone DnaK: Deletion of the lid increases peptide on- and off-rate constants Journal of Biological Chemistry. 276: 27231-27236. DOI: 10.1074/Jbc.M100237200  0.636
1990 Larsen RW, Li W, Copeland RA, Witt SN, Lou BS, Chan SI, Ondrias MR. Room temperature characterization of the dioxygen intermediates of cytochrome c oxidase by resonance Raman spectroscopy. Biochemistry. 29: 10135-40. PMID 2176863 DOI: 10.1021/Bi00495A018  0.579
1987 Witt SN, Chan SI. Evidence for a ferryl Fea3 in oxygenated cytochrome c oxidase Journal of Biological Chemistry. 262: 1446-1448. PMID 3027092  0.41
1986 Witt SN, Blair DF, Chan SI. Chemical and spectroscopic evidence for the formation of a ferryl Fe(α3) intermediate during turnover of cytochrome c oxidase Journal of Biological Chemistry. 261: 8104-8107. PMID 3013842  0.434
1986 BLAIR DF, WITT SN, CHAN SI. ChemInform Abstract: Mechanism of Cytochrome c Oxidase-Catalyzed Dioxygen Reduction at Low Temperatures. Chemischer Informationsdienst. 17. DOI: 10.1002/Chin.198613334  0.41
1985 Blair DF, Witt SN, Chan SI. Mechanism of cytochrome c oxidase-catalyzed dioxygen reduction at low temperatures. Evidence for two intermediates at the three-electron level and entropic promotion of the bond-breaking step Journal of the American Chemical Society. 107: 7389-7399. DOI: 10.1021/Ja00311A029  0.405
Low-probability matches (unlikely to be authored by this person)
2011 Lee YJ, Wang S, Slone SR, Yacoubian TA, Witt SN. Defects in very long chain fatty acid synthesis enhance alpha-synuclein toxicity in a yeast model of Parkinson's disease. Plos One. 6: e15946. PMID 21264320 DOI: 10.1371/Journal.Pone.0015946  0.295
2003 Slepenkov SV, Patchen B, Peterson KM, Witt SN. Importance of the D and E helices of the molecular chaperone DnaK for ATP binding and substrate release. Biochemistry. 42: 5867-76. PMID 12741845 DOI: 10.1021/bi034126v  0.291
2013 Witt SN. Molecular chaperones, α-synuclein, and neurodegeneration. Molecular Neurobiology. 47: 552-60. PMID 22923346 DOI: 10.1007/s12035-012-8325-2  0.285
2014 Wang S, Zhang S, Liou LC, Ren Q, Zhang Z, Caldwell GA, Caldwell KA, Witt SN. Phosphatidylethanolamine deficiency disrupts α-synuclein homeostasis in yeast and worm models of Parkinson disease. Proceedings of the National Academy of Sciences of the United States of America. 111: E3976-85. PMID 25201965 DOI: 10.1073/Pnas.1411694111  0.284
2014 Wang S, Witt SN. The Parkinson's Disease-Associated Protein α-Synuclein Disrupts Stress Signaling - A Possible Implication for Methamphetamine Use? Microbial Cell. 1: 131-132. PMID 25343141  0.263
2011 Lee YJ, Burlet E, Wang S, Xu B, Huang S, Galiano FJ, Witt SN. Triclabendazole protects yeast and mammalian cells from oxidative stress: identification of a potential neuroprotective compound. Biochemical and Biophysical Research Communications. 414: 205-8. PMID 21946065 DOI: 10.1016/j.bbrc.2011.09.057  0.261
2014 Witt SN. Lipid disequilibrium in biological membranes, a possible pathway to neurodegeneration. Communicative & Integrative Biology. 7: e993266. PMID 26480301 DOI: 10.4161/19420889.2014.993266  0.26
2021 Rajasekaran S, Witt SN. Trojan horses and tunneling nanotubes enable α-synuclein pathology to spread in Parkinson disease. Plos Biology. 19: e3001331. PMID 34284485 DOI: 10.1371/journal.pbio.3001331  0.255
1997 Witt SN, Galiano FJ, Slepenkov SV. Reactions of protamine with the molecular chaperone DnaK Cell Stress and Chaperones. 2: 110-118. PMID 9250402 DOI: 10.1379/1466-1268(1997)002<0110:ROPWTM>2.3.CO;2  0.248
2010 Witt SN. Hsp70 molecular chaperones and Parkinson's disease. Biopolymers. 93: 218-28. PMID 19768775 DOI: 10.1002/bip.21302  0.235
2012 Wang S, Xu B, Liou LC, Ren Q, Huang S, Luo Y, Zhang Z, Witt SN. α-Synuclein disrupts stress signaling by inhibiting polo-like kinase Cdc5/Plk2. Proceedings of the National Academy of Sciences of the United States of America. 109: 16119-24. PMID 22988096 DOI: 10.1073/Pnas.1206286109  0.221
2001 Buczynski G, Slepenkov SV, Sehorn MG, Witt SN. Characterization of a lidless form of the molecular chaperone DnaK: deletion of the lid increases peptide on- and off-rate constants. The Journal of Biological Chemistry. 276: 27231-6. PMID 11352903 DOI: 10.1074/jbc.M100237200  0.213
2001 Mally A, Witt SN. GrpE accelerates peptide binding and release from the high affinity state of DnaK Nature Structural Biology. 8: 254-257. PMID 11224572 DOI: 10.1038/85002  0.212
2002 Slepenkov SV, Witt SN. Kinetic analysis of interdomain coupling in a lidless variant of the molecular chaperone DnaK: DnaK's lid inhibits transition to the low affinity state. Biochemistry. 41: 12224-35. PMID 12356325 DOI: 10.1021/bi0263208  0.209
2005 Kedzierska S, Chesnokova LS, Witt SN, Zolkiewski M. Interactions within the ClpB/DnaK bi-chaperone system from Escherichia coli. Archives of Biochemistry and Biophysics. 444: 61-5. PMID 16289019 DOI: 10.1016/J.Abb.2005.10.005  0.208
2003 Slepenkov SV, Witt SN. Detection of a concerted conformational change in the ATPase domain of DnaK triggered by peptide binding. Febs Letters. 539: 100-4. PMID 12650934 DOI: 10.1016/S0014-5793(03)00207-2  0.206
1994 Witt SN, McConnell HM. Formation and dissociation of short-lived class II MHC-peptide complexes. Biochemistry. 33: 1861-8. PMID 8110789 DOI: 10.1021/Bi00173A032  0.198
1999 Farr CD, Witt SN. ATP lowers the activation enthalpy barriers to DnaK-peptide complex formation and dissociation Cell Stress and Chaperones. 4: 77-85. PMID 10547057 DOI: 10.1379/1466-1268(1999)004<0077:ALTAEB>2.3.CO;2  0.197
1995 Farr CD, Galiano FJ, Witt SN. Large activation energy barriers to chaperone-peptide complex formation and dissociation. Biochemistry. 34: 15574-82. PMID 7492560  0.194
2011 Witt SN. Protein Chaperones and Protection from Neurodegenerative Diseases Protein Chaperones and Protection From Neurodegenerative Diseases. DOI: 10.1002/9781118063903  0.191
2013 Wang S, Horn PJ, Liou LC, Muggeridge MI, Zhang Z, Chapman KD, Witt SN. A peroxisome biogenesis deficiency prevents the binding of alpha-synuclein to lipid droplets in lipid-loaded yeast. Biochemical and Biophysical Research Communications. 438: 452-6. PMID 23916615 DOI: 10.1016/J.Bbrc.2013.07.100  0.189
2012 Robbins D, Wittwer JA, Codarin S, Circu ML, Aw TY, Huang TT, Van Remmen H, Richardson A, Wang DB, Witt SN, Klein RL, Zhao Y. Isocitrate dehydrogenase 1 is downregulated during early skin tumorigenesis which can be inhibited by overexpression of manganese superoxide dismutase. Cancer Science. 103: 1429-33. PMID 22533343 DOI: 10.1111/J.1349-7006.2012.02317.X  0.184
1999 Witt SN, Slepenkov SV. Unraveling the Kinetic Mechanism of the 70-kDa Molecular Chaperones Using Fluorescence Spectroscopic Methods Journal of Fluorescence. 9: 281-293.  0.183
2011 Robbins DF, VanRemmen H, Richardson A, Wang DB, Witt SN, Klein RL, Zhao Y, Wittwer JA, Wang F, Codarin S, Shen X, Kevil CG, Circu ML, Aw TY, Huang TT. Abstract B59: Targeting metabolic enzymes in cancer prevention: Mechanistic insight into reciprocal regulation of isoforms of pyruvate kinase and isocitrate dehydrogenase in the early stage of cancer development Cancer Prevention Research. 4. DOI: 10.1158/1940-6207.Prev-11-B59  0.182
1998 Farr CD, Slepenkov SV, Witt SN. Visualization of a slow, ATP-induced structural transition in the bacterial molecular chaperone DnaK Journal of Biological Chemistry. 273: 9744-9748. PMID 9545310 DOI: 10.1074/jbc.273.16.9744  0.178
1992 Witt SN, McConnell HM. Antigenic peptide binding to the mouse major histocompatibility complex class II protein I-Ek. Peptide stabilization of the quarternary structure of I-Ek Journal of the American Chemical Society. 114: 3506-3511. DOI: 10.1021/Ja00035A052  0.174
1991 Witt SN, McConnell HM. A first-order reaction controls the binding of antigenic peptides to major histocompatibility complex class II molecules. Proceedings of the National Academy of Sciences of the United States of America. 88: 8164-8. PMID 1654561  0.173
2011 Lee YJ, Burlet E, Galiano F, Circu ML, Aw TY, Williams BJ, Witt SN. Phosphate and succinate use different mechanisms to inhibit sugar-induced cell death in yeast: insight into the Crabtree effect. The Journal of Biological Chemistry. 286: 20267-74. PMID 21515692 DOI: 10.1074/jbc.M110.209379  0.17
1998 Slepenkov SV, Witt SN. Peptide-induced conformational changes in the molecular chaperone DnaK Biochemistry. 37: 16749-16756. PMID 9843445 DOI: 10.1021/bi981738k  0.168
2016 Zolkiewski M, Chesnokova LS, Witt SN. Reactivation of Aggregated Proteins by the ClpB/DnaK Bi-Chaperone System. Current Protocols in Protein Science / Editorial Board, John E. Coligan ... [Et Al.]. 83: 28.10.1-28.10.18. PMID 26836408 DOI: 10.1002/0471140864.Ps2810S83  0.165
1997 Farr CD, Witt SN. Kinetic evidence for peptide-induced oligomerization of the molecular chaperone DnaK at heat shock temperatures Biochemistry. 36: 10793-10800. PMID 9271511 DOI: 10.1021/bi971082f  0.161
1994 Liang MN, Witt SN, McConnell HM. Inhibition of class II MHC-peptide complex formation by protease inhibitors. Journal of Immunological Methods. 173: 127-31. PMID 8034980 DOI: 10.1016/0022-1759(94)90290-9  0.16
2005 Chesnokova LS, Witt SN. Switches, catapults, and chaperones: steady-state kinetic analysis of Hsp70-substrate interactions. Biochemistry. 44: 11224-33. PMID 16101306 DOI: 10.1021/bi050787b  0.155
2004 Chesnokova LS, Slepenkov SV, Witt SN. The insect antimicrobial peptide, L-pyrrhocoricin, binds to and stimulates the ATPase activity of both wild-type and lidless DnaK. Febs Letters. 565: 65-9. PMID 15135054 DOI: 10.1016/j.febslet.2004.03.075  0.154
1993 Witt SN, Mcconnell HM. The kinetics of peptide reactions with class II major histocompatibility complex membrane proteins Accounts of Chemical Research. 26: 442-448. DOI: 10.1021/Ar00032A008  0.148
2013 Lee YJ, Shi R, Witt SN. The small molecule triclabendazole decreases the intracellular level of cyclic AMP and increases resistance to stress in Saccharomyces cerevisiae. Plos One. 8: e64337. PMID 23667708 DOI: 10.1371/journal.pone.0064337  0.148
1998 Slepenkov SV, Witt SN. Kinetics of the reactions of the Escherichia coli molecular chaperone DnaK with ATP: Evidence that a three-step reaction precedes ATP hydrolysis Biochemistry. 37: 1015-1024. PMID 9454592 DOI: 10.1021/bi9720484  0.136
2009 Witt SN. The Fink blueprint for Hsp70/Hsc70 molecular chaperones. Current Protein & Peptide Science. 10: 424-31. PMID 19538152 DOI: 10.2174/138920309789352047  0.125
2002 Slepenkov SV, Witt SN. The unfolding story of the Escherichia coli Hsp70 DnaK: is DnaK a holdase or an unfoldase? Molecular Microbiology. 45: 1197-206. PMID 12207689 DOI: 10.1046/j.1365-2958.2002.03093.x  0.119
2009 Witt SN. Tethering creates unusual kinetics for ribosome-associated chaperones with nascent chains. Protein and Peptide Letters. 16: 631-4. PMID 19519521 DOI: 10.2174/092986609788490195  0.117
1992 Witt SN, Clark BR, McConnell HM. Mechanism of peptide release from major histocompatibility complex class II molecules Journal of the American Chemical Society. 114: 9680-9682. DOI: 10.1021/JA00050A070  0.1
2023 Lairmore TC, Abdulsattar J, De Benedetti A, Shi R, Huang S, Khalil MI, Witt SN. Loss of tumor suppressor menin expression in high grade cholangiocarcinomas. Bmc Research Notes. 16: 15. PMID 36782257 DOI: 10.1186/s13104-023-06282-6  0.076
1983 WITT SN, HAYES DM. ChemInform Abstract: KINETICS AND MECHANISM OF THE FORMATION OF VIOLET PEROXYCHROMATE IN AQUEOUS SOLUTION Chemischer Informationsdienst. 14. DOI: 10.1002/CHIN.198305034  0.065
1982 Witt SN, Hayes DM. Kinetics and mechanism of the formation of violet peroxychromate in aqueous solution Inorganic Chemistry. 21: 4014-4016.  0.058
2011 Robbins D, Wittwer J, Wang F, Codarin S, Shen X, Kevil CG, Circu ML, Aw TY, Huang TT, VanRemmen H, Richardson A, Wang DB, Witt S, Klein RL, Zhao Y. Targeting Metabolic Enzymes in Cancer Prevention: Reciprocal Regulation of Isoforms of Pyruvate Kinase and Isocitrate Dehydrogenase in the Early Stage of Cancer Development Free Radical Biology and Medicine. 51. DOI: 10.1016/J.Freeradbiomed.2011.10.337  0.055
2011 Gross DS, Klein RL, Witt SN. Therapeutics: Harnessing the Power of Molecular and Pharmacological Chaperones Protein Chaperones and Protection From Neurodegenerative Diseases. 385-421. DOI: 10.1002/9781118063903.ch12  0.047
2003 Wirth S, Wieser A, Witt SN, Mutschler W, Reiser M. [Visualization of radiographically occult osteochondrosis dissecans of the talus using MRI]. Der Unfallchirurg. 106: 238-40. PMID 12658342 DOI: 10.1007/s00113-002-0542-0  0.023
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