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Piotr Zimniak

TitleProfessor Emeritus
InstitutionUniversity of Arkansas for Medical Sciences
DepartmentPharmacology & Toxicology, College of Medicine
Address BIOMED B304
4301 W Markham St.
Mail Slot # 611
Little Rock AR 72205
Phone501-257-4843
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    Collapse Research 
    Collapse research activities and funding
    R01AG032643     (SINGH, SHARDA P)Sep 1, 2009 - Jul 31, 2016
    NIH
    Causative role of lipid peroxidation products in obesity and aging
    Role: Co-Principal Investigator
    R01AG028088     (ZIMNIAK, PIOTR)Feb 1, 2007 - Oct 31, 2012
    NIH
    Role of glutathione transferases in life span extension of C. elegans
    Role: Principal Investigator
    P01AG020641     (REIS, ROBERT J)Feb 15, 2003 - Jan 31, 2008
    NIH/Nat. Inst. on Aging
    Metabolic Mechanisms Limiting and Protecting Longevity
    Role: Co-Investigator
    R01AG018845     (ZIMNIAK, PIOTR)Mar 1, 2002 - Feb 28, 2009
    NIH
    Role of Lipid peroxidation and 4-hydroxynonenal in aging
    Role: Principal Investigator
    R01ES09140     (ZIMNIAK, PIOTR)Mar 1, 2002 - Jul 31, 2006
    NIH/Nat. Inst. of Environmental Health Sciences - Pass Through: University of Pittsburgh
    Toxicological Relevance of the Human GSTP1-1 Polymorphism (University of Pittsburgh Subcontract)
    Role: Principal Investigator
    R01AG18845     (ZIMNIAK, PIOTR)Dec 1, 2001 - Feb 28, 2007
    NIH/Nat. Inst. on Aging
    Role of Lipid Peroxidation and 4-hydroxynonenal in Aging
    Role: Principal Investigator
    P01AG013918     (MANOLAGAS, STAVROS C.)Aug 27, 1996 - Apr 30, 2018
    NIH
    Molecular and Cellular Mechanisms of Osteoporosis
    Role: Co-Investigator
    R01ES007804     (ZIMNIAK, PIOTR)Aug 1, 1996 - Jul 31, 2007
    NIH
    Glutathione transferases and oxidative stress toxicology
    Role: Principal Investigator
    R23AM036453     (ZIMNIAK, PIOTR)Apr 1, 1985 - Jul 31, 1987
    NIH
    CHARACTERIZATION OF HEPATIC BILE ACID TRANSPOTERS
    Role: Principal Investigator
    R23DK036453     (ZIMNIAK, PIOTR)Apr 1, 1985 - Jul 31, 1987
    NIH
    CHARACTERIZATION OF HEPATIC BILE ACID TRANSPOTERS
    Role: Principal Investigator

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    Publications listed below are automatically derived from MEDLINE/PubMed and other sources, which might result in incorrect or missing publications. Faculty can login to make corrections and additions. Don't see publications published under other names? Login to add alternative names.
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    1. Ronis M, Mercer K, Engi B, Pulliam C, Zimniak P, Hennings L, Shearn C, Badger T, Petersen D. Global Deletion of Glutathione S-Transferase A4 Exacerbates Developmental Nonalcoholic Steatohepatitis. Am J Pathol. 2017 Feb; 187(2):418-430. PMID: 27998724.
      View in: PubMed
    2. Shearn CT, Fritz KS, Shearn AH, Saba LM, Mercer KE, Engi B, Galligan JJ, Zimniak P, Orlicky DJ, Ronis MJ, Petersen DR. Deletion of GSTA4-4 results in increased mitochondrial post-translational modification of proteins by reactive aldehydes following chronic ethanol consumption in mice. Redox Biol. 2016 Apr; 7:68-77. PMID: 26654979.
      View in: PubMed
    3. Ronis MJ, Mercer KE, Gannon B, Engi B, Zimniak P, Shearn CT, Orlicky DJ, Albano E, Badger TM, Petersen DR. Increased 4-hydroxynonenal protein adducts in male GSTA4-4/PPAR-a double knockout mice enhance injury during early stages of alcoholic liver disease. Am J Physiol Gastrointest Liver Physiol. 2015 Mar 01; 308(5):G403-15. PMID: 25501545.
      View in: PubMed
    4. Zimniak P. What is the Proximal Cause of Aging? Front Genet. 2012; 3:189. PMID: 23056007.
      View in: PubMed
    5. Anisimov VN, Bartke A, Barzilai N, Batin MA, Blagosklonny MV, Brown-Borg H, Budovskaya Y, Campisi J, Friguet B, Fraifeld V, Franceschi C, Gems D, Gladyshev V, Gorbunova V, Gudkov AV, Kennedy B, Konovalenko M, Kraemer B, Moskalev A, Petropoulos I, Pasyukova E, Rattan S, Rogina B, Seluanov A, Shaposhnikov M, Shmookler Reis R, Tavernarakis N, Vijg J, Yashin A, Zimniak P. The second international conference "genetics of aging and longevity". Aging (Albany NY). 2012 May; 4(5):305-17. PMID: 22661237.
      View in: PubMed
    6. Apidianakis Y, Que YA, Xu W, Tegos GP, Zimniak P, Hamblin MR, Tompkins RG, Xiao W, Rahme LG. Down-regulation of glutatione S-transferase a 4 (hGSTA4) in the muscle of thermally injured patients is indicative of susceptibility to bacterial infection. FASEB J. 2012 Feb; 26(2):730-7. PMID: 22038048.
      View in: PubMed
    7. Zimniak P. Relationship of electrophilic stress to aging. Free Radic Biol Med. 2011 Sep 15; 51(6):1087-105. PMID: 21708248.
      View in: PubMed
    8. Shmookler Reis RJ, Xu L, Lee H, Chae M, Thaden JJ, Bharill P, Tazearslan C, Siegel E, Alla R, Zimniak P, Ayyadevara S. Modulation of lipid biosynthesis contributes to stress resistance and longevity of C. elegans mutants. Aging (Albany NY). 2011 Feb; 3(2):125-47. PMID: 21386131.
      View in: PubMed
    9. Zimniak P. 4-Hydroxynonenal and fat storage: A paradoxical pro-obesity mechanism? Cell Cycle. 2010 Sep 01; 9(17):3393-4. PMID: 20855977.
      View in: PubMed
    10. Singh SP, Niemczyk M, Saini D, Sadovov V, Zimniak L, Zimniak P. Disruption of the mGsta4 gene increases life span of C57BL mice. J Gerontol A Biol Sci Med Sci. 2010 Jan; 65(1):14-23. PMID: 19880816.
      View in: PubMed
    11. Singh SP, Zimniak L, Zimniak P. The human hGSTA5 gene encodes an enzymatically active protein. Biochim Biophys Acta. 2010 Jan; 1800(1):16-22. PMID: 19664689.
      View in: PubMed
    12. Ahmed BA, Bukhari IA, Jeffus BC, Harney JT, Thyparambil S, Ziu E, Fraer M, Rusch NJ, Zimniak P, Lupashin V, Tang D, Kilic F. The cellular distribution of serotonin transporter is impeded on serotonin-altered vimentin network. PLoS One. 2009; 4(3):e4730. PMID: 19270731.
      View in: PubMed
    13. Singh SP, Niemczyk M, Zimniak L, Zimniak P. Fat accumulation in Caenorhabditis elegans triggered by the electrophilic lipid peroxidation product 4-hydroxynonenal (4-HNE). Aging (Albany NY). 2008 Dec 18; 1(1):68-80. PMID: 20157589.
      View in: PubMed
    14. Sharma A, Sharma R, Chaudhary P, Vatsyayan R, Pearce V, Jeyabal PV, Zimniak P, Awasthi S, Awasthi YC. 4-Hydroxynonenal induces p53-mediated apoptosis in retinal pigment epithelial cells. Arch Biochem Biophys. 2008 Dec 15; 480(2):85-94. PMID: 18930016.
      View in: PubMed
    15. Zimniak P. Detoxification reactions: relevance to aging. Ageing Res Rev. 2008 Dec; 7(4):281-300. PMID: 18547875.
      View in: PubMed
    16. Singh SP, Niemczyk M, Saini D, Awasthi YC, Zimniak L, Zimniak P. Role of the electrophilic lipid peroxidation product 4-hydroxynonenal in the development and maintenance of obesity in mice. Biochemistry. 2008 Mar 25; 47(12):3900-11. PMID: 18311940.
      View in: PubMed
    17. Sharma R, Sharma A, Dwivedi S, Zimniak P, Awasthi S, Awasthi YC. 4-Hydroxynonenal self-limits fas-mediated DISC-independent apoptosis by promoting export of Daxx from the nucleus to the cytosol and its binding to Fas. Biochemistry. 2008 Jan 08; 47(1):143-56. PMID: 18069800.
      View in: PubMed
    18. Ayyadevara S, Dandapat A, Singh SP, Siegel ER, Shmookler Reis RJ, Zimniak L, Zimniak P. Life span and stress resistance of Caenorhabditis elegans are differentially affected by glutathione transferases metabolizing 4-hydroxynon-2-enal. Mech Ageing Dev. 2007 Feb; 128(2):196-205. PMID: 17157356.
      View in: PubMed
    19. Li J, Sharma R, Patrick B, Sharma A, Jeyabal PV, Reddy PM, Saini MK, Dwivedi S, Dhanani S, Ansari NH, Zimniak P, Awasthi S, Awasthi YC. Regulation of CD95 (Fas) expression and Fas-mediated apoptotic signaling in HLE B-3 cells by 4-hydroxynonenal. Biochemistry. 2006 Oct 10; 45(40):12253-64. PMID: 17014078.
      View in: PubMed
    20. Ayyadevara S, Dandapat A, Singh SP, Benes H, Zimniak L, Shmookler Reis RJ, Zimniak P. Lifespan extension in hypomorphic daf-2 mutants of Caenorhabditis elegans is partially mediated by glutathione transferase CeGSTP2-2. Aging Cell. 2005 Dec; 4(6):299-307. PMID: 16300482.
      View in: PubMed
    21. Dwivedi S, Sharma R, Sharma A, Zimniak P, Ceci JD, Awasthi YC, Boor PJ. The course of CCl4 induced hepatotoxicity is altered in mGSTA4-4 null (-/-) mice. Toxicology. 2006 Jan 20; 218(1):58-66. PMID: 16325313.
      View in: PubMed
    22. Ayyadevara S, Engle MR, Singh SP, Dandapat A, Lichti CF, Benes H, Shmookler Reis RJ, Liebau E, Zimniak P. Lifespan and stress resistance of Caenorhabditis elegans are increased by expression of glutathione transferases capable of metabolizing the lipid peroxidation product 4-hydroxynonenal. Aging Cell. 2005 Oct; 4(5):257-71. PMID: 16164425.
      View in: PubMed
    23. Gong H, Singh SV, Singh SP, Mu Y, Lee JH, Saini SP, Toma D, Ren S, Kagan VE, Day BW, Zimniak P, Xie W. Orphan nuclear receptor pregnane X receptor sensitizes oxidative stress responses in transgenic mice and cancerous cells. Mol Endocrinol. 2006 Feb; 20(2):279-90. PMID: 16195250.
      View in: PubMed
    24. McEwen JE, Zimniak P, Mehta JL, Shmookler Reis RJ. Molecular pathology of aging and its implications for senescent coronary atherosclerosis. Curr Opin Cardiol. 2005 Sep; 20(5):399-406. PMID: 16093759.
      View in: PubMed
    25. Patrick B, Li J, Jeyabal PV, Reddy PM, Yang Y, Sharma R, Sinha M, Luxon B, Zimniak P, Awasthi S, Awasthi YC. Depletion of 4-hydroxynonenal in hGSTA4-transfected HLE B-3 cells results in profound changes in gene expression. Biochem Biophys Res Commun. 2005 Aug 26; 334(2):425-32. PMID: 16005854.
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    26. Singh SP, Chen T, Chen L, Mei N, McLain E, Samokyszyn V, Thaden JJ, Moore MM, Zimniak P. Mutagenic effects of 4-hydroxynonenal triacetate, a chemically protected form of the lipid peroxidation product 4-hydroxynonenal, as assayed in L5178Y/Tk+/- mouse lymphoma cells. J Pharmacol Exp Ther. 2005 May; 313(2):855-61. PMID: 15701709.
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    27. Gu Y, Guo J, Pal A, Pan SS, Zimniak P, Singh SV, Ji X. Crystal structure of human glutathione S-transferase A3-3 and mechanistic implications for its high steroid isomerase activity. Biochemistry. 2004 Dec 21; 43(50):15673-9. PMID: 15595823.
      View in: PubMed
    28. Singh SV, Varma V, Zimniak P, Srivastava SK, Marynowski SW, Desai D, Amin S, Ji X. Structural basis for catalytic differences between alpha class human glutathione transferases hGSTA1-1 and hGSTA2-2 for glutathione conjugation of environmental carcinogen benzo[a]pyrene-7,8-diol-9,10-epoxide. Biochemistry. 2004 Aug 03; 43(30):9708-15. PMID: 15274625.
      View in: PubMed
    29. Wu Z, Minhas GS, Wen D, Jiang H, Chen K, Zimniak P, Zheng J. Design, synthesis, and structure-activity relationships of haloenol lactones: site-directed and isozyme-selective glutathione S-transferase inhibitors. J Med Chem. 2004 Jun 03; 47(12):3282-94. PMID: 15163208.
      View in: PubMed
    30. Sharma R, Brown D, Awasthi S, Yang Y, Sharma A, Patrick B, Saini MK, Singh SP, Zimniak P, Singh SV, Awasthi YC. Transfection with 4-hydroxynonenal-metabolizing glutathione S-transferase isozymes leads to phenotypic transformation and immortalization of adherent cells. Eur J Biochem. 2004 May; 271(9):1690-701. PMID: 15096208.
      View in: PubMed
    31. Yang Y, Yang Y, Trent MB, He N, Lick SD, Zimniak P, Awasthi YC, Boor PJ. Glutathione-S-transferase A4-4 modulates oxidative stress in endothelium: possible role in human atherosclerosis. Atherosclerosis. 2004 Apr; 173(2):211-21. PMID: 15064094.
      View in: PubMed
    32. Engle MR, Singh SP, Czernik PJ, Gaddy D, Montague DC, Ceci JD, Yang Y, Awasthi S, Awasthi YC, Zimniak P. Physiological role of mGSTA4-4, a glutathione S-transferase metabolizing 4-hydroxynonenal: generation and analysis of mGsta4 null mouse. Toxicol Appl Pharmacol. 2004 Feb 01; 194(3):296-308. PMID: 14761685.
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    33. Cheng K, Zimniak P, Raufman JP. Transactivation of the epidermal growth factor receptor mediates cholinergic agonist-induced proliferation of H508 human colon cancer cells. Cancer Res. 2003 Oct 15; 63(20):6744-50. PMID: 14583469.
      View in: PubMed
    34. Awasthi S, Singhal SS, Sharma R, Zimniak P, Awasthi YC. Transport of glutathione conjugates and chemotherapeutic drugs by RLIP76 (RALBP1): a novel link between G-protein and tyrosine kinase signaling and drug resistance. Int J Cancer. 2003 Sep 20; 106(5):635-46. PMID: 12866021.
      View in: PubMed
    35. Raufman JP, Cheng K, Zimniak P. Activation of muscarinic receptor signaling by bile acids: physiological and medical implications. Dig Dis Sci. 2003 Aug; 48(8):1431-44. PMID: 12924634.
      View in: PubMed
    36. Yang Y, Sharma A, Sharma R, Patrick B, Singhal SS, Zimniak P, Awasthi S, Awasthi YC. Cells preconditioned with mild, transient UVA irradiation acquire resistance to oxidative stress and UVA-induced apoptosis: role of 4-hydroxynonenal in UVA-mediated signaling for apoptosis. J Biol Chem. 2003 Oct 17; 278(42):41380-8. PMID: 12888579.
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    37. Awasthi S, Singhal SS, Singhal J, Yang Y, Zimniak P, Awasthi YC. Role of RLIP76 in lung cancer doxorubicin resistance: III. Anti-RLIP76 antibodies trigger apoptosis in lung cancer cells and synergistically increase doxorubicin cytotoxicity. Int J Oncol. 2003 Apr; 22(4):721-32. PMID: 12632061.
      View in: PubMed
    38. Awasthi S, Singhal SS, Singhal J, Cheng J, Zimniak P, Awasthi YC. Role of RLIP76 in lung cancer doxorubicin resistance: II. Doxorubicin transport in lung cancer by RLIP76. Int J Oncol. 2003 Apr; 22(4):713-20. PMID: 12632060.
      View in: PubMed
    39. Singhal SS, Singhal J, Sharma R, Singh SV, Zimniak P, Awasthi YC, Awasthi S. Role of RLIP76 in lung cancer doxorubicin resistance: I. The ATPase activity of RLIP76 correlates with doxorubicin and 4-hydroxynonenal resistance in lung cancer cells. Int J Oncol. 2003 Feb; 22(2):365-75. PMID: 12527936.
      View in: PubMed
    40. Cheng K, Khurana S, Chen Y, Kennedy RH, Zimniak P, Raufman JP. Lithocholylcholine, a bile acid/acetylcholine hybrid, is a muscarinic receptor antagonist. J Pharmacol Exp Ther. 2002 Oct; 303(1):29-35. PMID: 12235229.
      View in: PubMed
    41. Raufman JP, Chen Y, Zimniak P, Cheng K. Deoxycholic acid conjugates are muscarinic cholinergic receptor antagonists. Pharmacology. 2002 Aug; 65(4):215-21. PMID: 12119452.
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    42. Yang Y, Sharma R, Zimniak P, Awasthi YC. Role of alpha class glutathione S-transferases as antioxidant enzymes in rodent tissues. Toxicol Appl Pharmacol. 2002 Jul 15; 182(2):105-15. PMID: 12140174.
      View in: PubMed
    43. Awasthi S, Sharma R, Yang Y, Singhal SS, Pikula S, Bandorowicz-Pikula J, Singh SV, Zimniak P, Awasthi YC. Transport functions and physiological significance of 76 kDa Ral-binding GTPase activating protein (RLIP76). Acta Biochim Pol. 2002; 49(4):855-67. PMID: 12545192.
      View in: PubMed
    44. Singh SP, Janecki AJ, Srivastava SK, Awasthi S, Awasthi YC, Xia SJ, Zimniak P. Membrane association of glutathione S-transferase mGSTA4-4, an enzyme that metabolizes lipid peroxidation products. J Biol Chem. 2002 Feb 08; 277(6):4232-9. PMID: 11714719.
      View in: PubMed
    45. Pal A, Gu Y, Herzog C, Srivastava SK, Zimniak P, Ji X, Singh SV. Role of arginine 216 in catalytic activity of murine Alpha class glutathione transferases mGSTAl-1 and mGSTA2-2 toward carcinogenic diol epoxides of polycyclic aromatic hydrocarbons. Carcinogenesis. 2001 Aug; 22(8):1301-5. PMID: 11470762.
      View in: PubMed
    46. Sharma R, Singhal SS, Cheng J, Yang Y, Sharma A, Zimniak P, Awasthi S, Awasthi YC. RLIP76 is the major ATP-dependent transporter of glutathione-conjugates and doxorubicin in human erythrocytes. Arch Biochem Biophys. 2001 Jul 15; 391(2):171-9. PMID: 11437348.
      View in: PubMed
    47. Singh SP, Coronella JA, Benes H, Cochrane BJ, Zimniak P. Catalytic function of Drosophila melanogaster glutathione S-transferase DmGSTS1-1 (GST-2) in conjugation of lipid peroxidation end products. Eur J Biochem. 2001 May; 268(10):2912-23. PMID: 11358508.
      View in: PubMed
    48. Cheng JZ, Yang Y, Singh SP, Singhal SS, Awasthi S, Pan SS, Singh SV, Zimniak P, Awasthi YC. Two distinct 4-hydroxynonenal metabolizing glutathione S-transferase isozymes are differentially expressed in human tissues. Biochem Biophys Res Commun. 2001 Apr 20; 282(5):1268-74. PMID: 11302754.
      View in: PubMed
    49. Awasthi S, Cheng JZ, Singhal SS, Pandya U, Sharma R, Singh SV, Zimniak P, Awasthi YC. Functional reassembly of ATP-dependent xenobiotic transport by the N- and C-terminal domains of RLIP76 and identification of ATP binding sequences. Biochemistry. 2001 Apr 03; 40(13):4159-68. PMID: 11300797.
      View in: PubMed
    50. Singhal SS, Singhal J, Cheng J, Pikula S, Sharma R, Zimniak P, Awasthi YC, Awasthi S. Purification and functional reconstitution of intact ral-binding Gtpase activating protein, RLIP76, in artificial liposomes. Acta Biochim Pol. 2001; 48(2):551-62. PMID: 11732624.
      View in: PubMed
    51. Pal A, Desai DH, Amin S, Srivastava SK, Hu X, Herzog C, Zimniak P, Singh SV. Location of the epoxide function determines specificity of the allelic variants of human glutathione transferase Pi toward benzo[c]chrysene diol epoxide isomers. FEBS Lett. 2000 Dec 08; 486(2):163-6. PMID: 11113459.
      View in: PubMed
    52. Pandya U, Srivastava SK, Singhal SS, Pal A, Awasthi S, Zimniak P, Awasthi YC, Singh SV. Activity of allelic variants of Pi class human glutathione S-transferase toward chlorambucil. Biochem Biophys Res Commun. 2000 Nov 11; 278(1):258-62. PMID: 11071881.
      View in: PubMed
    53. Awasthi S, Cheng J, Singhal SS, Saini MK, Pandya U, Pikula S, Bandorowicz-Pikula J, Singh SV, Zimniak P, Awasthi YC. Novel function of human RLIP76: ATP-dependent transport of glutathione conjugates and doxorubicin. Biochemistry. 2000 Aug 08; 39(31):9327-34. PMID: 10924126.
      View in: PubMed
    54. Pal A, Hu X, Zimniak P, Singh SV. Catalytic efficiencies of allelic variants of human glutathione S-transferase Pi in the glutathione conjugation of alpha, beta-unsaturated aldehydes. Cancer Lett. 2000 Jun 01; 154(1):39-43. PMID: 10799737.
      View in: PubMed
    55. Sharma R, Awasthi S, Zimniak P, Awasthi YC. Transport of glutathione-conjugates in human erythrocytes. Acta Biochim Pol. 2000; 47(3):751-62. PMID: 11310974.
      View in: PubMed
    56. Cheng JZ, Singhal SS, Saini M, Singhal J, Piper JT, Van Kuijk FJ, Zimniak P, Awasthi YC, Awasthi S. Effects of mGST A4 transfection on 4-hydroxynonenal-mediated apoptosis and differentiation of K562 human erythroleukemia cells. Arch Biochem Biophys. 1999 Dec 01; 372(1):29-36. PMID: 10562413.
      View in: PubMed
    57. Xiao B, Singh SP, Nanduri B, Awasthi YC, Zimniak P, Ji X. Crystal structure of a murine glutathione S-transferase in complex with a glutathione conjugate of 4-hydroxynon-2-enal in one subunit and glutathione in the other: evidence of signaling across the dimer interface. Biochemistry. 1999 Sep 14; 38(37):11887-94. PMID: 10508391.
      View in: PubMed
    58. Ji X, Blaszczyk J, Xiao B, O'Donnell R, Hu X, Herzog C, Singh SV, Zimniak P. Structure and function of residue 104 and water molecules in the xenobiotic substrate-binding site in human glutathione S-transferase P1-1. Biochemistry. 1999 Aug 10; 38(32):10231-8. PMID: 10441116.
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    59. Srivastava SK, Singhal SS, Hu X, Awasthi YC, Zimniak P, Singh SV. Differential catalytic efficiency of allelic variants of human glutathione S-transferase Pi in catalyzing the glutathione conjugation of thiotepa. Arch Biochem Biophys. 1999 Jun 01; 366(1):89-94. PMID: 10334868.
      View in: PubMed
    60. Zimniak P, Pikula S, Bandorowicz-Pikula J, Awasthi YC. Mechanisms for xenobiotic transport in biological membranes. Toxicol Lett. 1999 Jun 01; 106(2-3):107-18. PMID: 10403654.
      View in: PubMed
    61. Hu X, Herzog C, Zimniak P, Singh SV. Differential protection against benzo[a]pyrene-7,8-dihydrodiol-9,10-epoxide-induced DNA damage in HepG2 cells stably transfected with allelic variants of pi class human glutathione S-transferase. Cancer Res. 1999 May 15; 59(10):2358-62. PMID: 10344744.
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    62. Awasthi S, Singhal SS, Pandya U, Gopal S, Zimniak P, Singh SV, Awasthi YC. ATP-Dependent colchicine transport by human erythrocyte glutathione conjugate transporter. Toxicol Appl Pharmacol. 1999 Mar 15; 155(3):215-26. PMID: 10079207.
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    63. Nanduri B, Zimniak P. Role of active-site residues 107 and 108 of glutathione S-transferase mGSTA4-4 in determining the catalytic properties of the enzyme for 4-hydroxynonenal. Arch Biochem Biophys. 1999 Feb 01; 362(1):167-74. PMID: 9917341.
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    64. Hu X, Xia H, Srivastava SK, Pal A, Awasthi YC, Zimniak P, Singh SV. Catalytic efficiencies of allelic variants of human glutathione S-transferase P1-1 toward carcinogenic anti-diol epoxides of benzo[c]phenanthrene and benzo[g]chrysene. Cancer Res. 1998 Dec 01; 58(23):5340-3. PMID: 9850062.
      View in: PubMed
    65. York JL, Maddox LC, Zimniak P, McHugh TE, Grant DF. Reduction of MTT by glutathione S-transferase. Biotechniques. 1998 Oct; 25(4):622-4, 626-8. PMID: 9793644.
      View in: PubMed
    66. Hu X, Pal A, Krzeminski J, Amin S, Awasthi YC, Zimniak P, Singh SV. Specificities of human glutathione S-transferase isozymes toward anti-diol epoxides of methylchrysenes. Carcinogenesis. 1998 Sep; 19(9):1685-9. PMID: 9771942.
      View in: PubMed
    67. Raufman JP, Zimniak P, Bartoszko-Malik A. Lithocholyltaurine interacts with cholinergic receptors on dispersed chief cells from guinea pig stomach. Am J Physiol. 1998 06; 274(6):G997-1004. PMID: 9696723.
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    68. Awasthi S, Singhal SS, Srivastava SK, Torman RT, Zimniak P, Bandorowicz-Pikula J, Singh SV, Piper JT, Awasthi YC, Pikula S. ATP-Dependent human erythrocyte glutathione-conjugate transporter. I. Purification, photoaffinity labeling, and kinetic characteristics of ATPase activity. Biochemistry. 1998 Apr 14; 37(15):5231-8. PMID: 9548754.
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    69. Awasthi S, Singhal SS, Pikula S, Piper JT, Srivastava SK, Torman RT, Bandorowicz-Pikula J, Lin JT, Singh SV, Zimniak P, Awasthi YC. ATP-Dependent human erythrocyte glutathione-conjugate transporter. II. Functional reconstitution of transport activity. Biochemistry. 1998 Apr 14; 37(15):5239-48. PMID: 9548755.
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    70. Janecki AJ, Montrose MH, Zimniak P, Zweibaum A, Tse CM, Khurana S, Donowitz M. Subcellular redistribution is involved in acute regulation of the brush border Na+/H+ exchanger isoform 3 in human colon adenocarcinoma cell line Caco-2. Protein kinase C-mediated inhibition of the exchanger. J Biol Chem. 1998 Apr 10; 273(15):8790-8. PMID: 9535857.
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    71. Krengel U, Schr?ter KH, Hoier H, Arkema A, Kalk KH, Zimniak P, Dijkstra BW. Crystal structure of a murine alpha-class glutathione S-transferase involved in cellular defense against oxidative stress. FEBS Lett. 1998 Feb 06; 422(3):285-90. PMID: 9498801.
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    72. Hu X, Xia H, Srivastava SK, Herzog C, Awasthi YC, Ji X, Zimniak P, Singh SV. Activity of four allelic forms of glutathione S-transferase hGSTP1-1 for diol epoxides of polycyclic aromatic hydrocarbons. Biochem Biophys Res Commun. 1997 Sep 18; 238(2):397-402. PMID: 9299520.
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    73. Hu X, Ji X, Srivastava SK, Xia H, Awasthi S, Nanduri B, Awasthi YC, Zimniak P, Singh SV. Mechanism of differential catalytic efficiency of two polymorphic forms of human glutathione S-transferase P1-1 in the glutathione conjugation of carcinogenic diol epoxide of chrysene. Arch Biochem Biophys. 1997 Sep 01; 345(1):32-8. PMID: 9281308.
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    74. Awasthi YC, Awasthi S, Zimniak P. Multiple transport proteins involved in the detoxification of endo- and xenobiotics. Front Biosci. 1997 09 01; 2:d427-437. PMID: 28481204.
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    75. Ji X, Tordova M, O'Donnell R, Parsons JF, Hayden JB, Gilliland GL, Zimniak P. Structure and function of the xenobiotic substrate-binding site and location of a potential non-substrate-binding site in a class pi glutathione S-transferase. Biochemistry. 1997 Aug 12; 36(32):9690-702. PMID: 9245401.
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    76. Hu X, O'Donnell R, Srivastava SK, Xia H, Zimniak P, Nanduri B, Bleicher RJ, Awasthi S, Awasthi YC, Ji X, Singh SV. Active site architecture of polymorphic forms of human glutathione S-transferase P1-1 accounts for their enantioselectivity and disparate activity in the glutathione conjugation of 7beta,8alpha-dihydroxy-9alpha,10alpha-ox y-7,8,9,10-tetrahydrobenzo(a)pyrene. Biochem Biophys Res Commun. 1997 Jun 18; 235(2):424-8. PMID: 9199210.
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    77. Awasthi S, Singhal SS, Srivastava SK, Chaubey M, Piper JT, Zimniak P, Yallampalli C, Rajaraman S, Awasthi YC. Rat GST 8-8 is expressed predominantly in myeloid origin cells infiltrating the gravid uterus. Int J Biochem Cell Biol. 1997 May; 29(5):807-13. PMID: 9251248.
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    78. Zimniak L, Awasthi S, Srivastava SK, Zimniak P. Increased resistance to oxidative stress in transfected cultured cells overexpressing glutathione S-transferase mGSTA4-4. Toxicol Appl Pharmacol. 1997 Mar; 143(1):221-9. PMID: 9073611.
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    79. He NG, Singhal SS, Chaubey M, Awasthi S, Zimniak P, Partridge CA, Awasthi YC. Purification and characterization of a 4-hydroxynonenal metabolizing glutathione S-transferase isozyme from bovine pulmonary microvessel endothelial cells. Biochim Biophys Acta. 1996 Dec 06; 1291(3):182-8. PMID: 8980630.
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    80. Nanduri B, Hayden JB, Awasthi YC, Zimniak P. Amino acid residue 104 in an alpha-class glutathione S-transferase is essential for the high selectivity and specificity of the enzyme for 4-hydroxynonenal. Arch Biochem Biophys. 1996 Nov 15; 335(2):305-10. PMID: 8914927.
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    81. Awasthi S, Singhal SS, He N, Chaubey M, Zimniak P, Srivastava SK, Singh SV, Awasthi YC. Modulation of doxorubicin cytotoxicity by ethacrynic acid. Int J Cancer. 1996 Nov 04; 68(3):333-9. PMID: 8903475.
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    82. He NG, Singhal SS, Srivastava SK, Zimniak P, Awasthi YC, Awasthi S. Transfection of a 4-hydroxynonenal metabolizing glutathione S-transferase isozyme, mouse GSTA4-4, confers doxorubicin resistance to Chinese hamster ovary cells. Arch Biochem Biophys. 1996 Sep 01; 333(1):214-20. PMID: 8806773.
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    83. Singhal SS, Awasthi S, Srivastava SK, Zimniak P, Ansari NH, Awasthi YC. Novel human ocular glutathione S-transferases with high activity toward 4-hydroxynonenal. Invest Ophthalmol Vis Sci. 1995 Jan; 36(1):142-50. PMID: 7822141.
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    84. Pikula S, Hayden JB, Awasthi S, Awasthi YC, Zimniak P. Organic anion-transporting ATPase of rat liver. II. Functional reconstitution of active transport and regulation by phosphorylation. J Biol Chem. 1994 Nov 04; 269(44):27574-9. PMID: 7961674.
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    85. Pikula S, Hayden JB, Awasthi S, Awasthi YC, Zimniak P. Organic anion-transporting ATPase of rat liver. I. Purification, photoaffinity labeling, and regulation by phosphorylation. J Biol Chem. 1994 Nov 04; 269(44):27566-73. PMID: 7961673.
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    86. Zimniak P, Nanduri B, Pikula S, Bandorowicz-Pikula J, Singhal SS, Srivastava SK, Awasthi S, Awasthi YC. Naturally occurring human glutathione S-transferase GSTP1-1 isoforms with isoleucine and valine in position 104 differ in enzymic properties. Eur J Biochem. 1994 Sep 15; 224(3):893-9. PMID: 7925413.
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    87. Singhal SS, Zimniak P, Awasthi S, Piper JT, He NG, Teng JI, Petersen DR, Awasthi YC. Several closely related glutathione S-transferase isozymes catalyzing conjugation of 4-hydroxynonenal are differentially expressed in human tissues. Arch Biochem Biophys. 1994 Jun; 311(2):242-50. PMID: 8203886.
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    88. Awasthi S, Singhal SS, Srivastava SK, Zimniak P, Bajpai KK, Saxena M, Sharma R, Ziller SA, Frenkel EP, Singh SV, et al. Adenosine triphosphate-dependent transport of doxorubicin, daunomycin, and vinblastine in human tissues by a mechanism distinct from the P-glycoprotein. J Clin Invest. 1994 Mar; 93(3):958-65. PMID: 7907606.
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    89. Singhal SS, Zimniak P, Sharma R, Srivastava SK, Awasthi S, Awasthi YC. A novel glutathione S-transferase isozyme similar to GST 8-8 of rat and mGSTA4-4 (GST 5.7) of mouse is selectively expressed in human tissues. Biochim Biophys Acta. 1994 Feb 16; 1204(2):279-86. PMID: 8142470.
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    90. Zimniak P, Singhal SS, Srivastava SK, Awasthi S, Sharma R, Hayden JB, Awasthi YC. Estimation of genomic complexity, heterologous expression, and enzymatic characterization of mouse glutathione S-transferase mGSTA4-4 (GST 5.7). J Biol Chem. 1994 Jan 14; 269(2):992-1000. PMID: 7904605.
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    91. Lester R, Zimniak P. True transport: one or more sodium-dependent bile acid transporters? Hepatology. 1993 Nov; 18(5):1279-82. PMID: 8225237.
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    92. Zimniak P. Dubin-Johnson and Rotor syndromes: molecular basis and pathogenesis. Semin Liver Dis. 1993 Aug; 13(3):248-60. PMID: 8235715.
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    93. Zimniak P, Awasthi S, Awasthi YC. Phase III detoxification system. Trends Biochem Sci. 1993 May; 18(5):164-6. PMID: 8101022.
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    94. Zimniak P, Awasthi YC. ATP-dependent transport systems for organic anions. Hepatology. 1993 Feb; 17(2):330-9. PMID: 8428732.
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    95. Zimniak P, Eckles MA, Saxena M, Awasthi YC. A subgroup of class alpha glutathione S-transferases. Cloning of cDNA for mouse lung glutathione S-transferase GST 5.7. FEBS Lett. 1992 Nov 23; 313(2):173-6. PMID: 1426286.
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    96. Saxena M, Singhal SS, Awasthi S, Singh SV, Labelle EF, Zimniak P, Awasthi YC. Dinitrophenyl S-glutathione ATPase purified from human muscle catalyzes ATP hydrolysis in the presence of leukotrienes. Arch Biochem Biophys. 1992 Oct; 298(1):231-7. PMID: 1388012.
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    97. Panfil I, Lehman PA, Zimniak P, Ernst B, Franz T, Lester R, Radominska A. Biosynthesis and chemical synthesis of carboxyl-linked glucuronide of lithocholic acid. Biochim Biophys Acta. 1992 Jun 22; 1126(2):221-8. PMID: 1627626.
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    98. Zimniak P, Ziller SA, Panfil I, Radominska A, Wolters H, Kuipers F, Sharma R, Saxena M, Moslen MT, Vore M, et al. Identification of an anion-transport ATPase that catalyzes glutathione conjugate-dependent ATP hydrolysis in canalicular plasma membranes from normal rats and rats with conjugated hyperbilirubinemia (GY mutant). Arch Biochem Biophys. 1992 Feb 01; 292(2):534-8. PMID: 1531002.
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    99. Drake RR, Zimniak P, Haley BE, Lester R, Elbein AD, Radominska A. Synthesis and characterization of 5-azido-UDP-glucuronic acid. A new photoaffinity probe for UDP-glucuronic acid-utilizing proteins. J Biol Chem. 1991 Dec 05; 266(34):23257-60. PMID: 1744121.
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    100. Little JM, Zimniak P, Radominska A, Lehman P, Lester R. Urinary excretion of lithocholic acid and its conjugates by the bile duct-ligated rat. Hepatology. 1991 Oct; 14(4 Pt 1):690-5. PMID: 1916672.
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    101. Zimniak P, Little JM, Radominska A, Oelberg DG, Anwer MS, Lester R. Taurine-conjugated bile acids act as Ca2+ ionophores. Biochemistry. 1991 Sep 03; 30(35):8598-604. PMID: 1832296.
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    102. Singhal SS, Sharma R, Gupta S, Ahmad H, Zimniak P, Radominska A, Lester R, Awasthi YC. The anionic conjugates of bilirubin and bile acids stimulate ATP hydrolysis by S-(dinitrophenyl)glutathione ATPase of human erythrocyte. FEBS Lett. 1991 Apr 09; 281(1-2):255-7. PMID: 1826661.
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    103. Zimniak P, Holsztynska EJ, Radominska A, Iscan M, Lester R, Waxman DJ. Distinct forms of cytochrome P-450 are responsible for 6 beta-hydroxylation of bile acids and of neutral steroids. Biochem J. 1991 Apr 01; 275 ( Pt 1):105-11. PMID: 2018466.
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    104. Awasthi YC, Singhal SS, Gupta S, Ahmad H, Zimniak P, Radominska A, Lester R, Sharma R. Purification and characterization of an ATPase from human liver which catalyzes ATP hydrolysis in the presence of the conjugates of bilirubin bile acids and glutathione. Biochem Biophys Res Commun. 1991 Mar 29; 175(3):1090-6. PMID: 1827256.
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    105. Irshaid YM, Radominska A, Zimniak P, Zimniak A, Lester R, Tephly TR. Glucuronidation of monohydroxylated short chain bile acids by human liver microsomes and purified human liver UDP-glucuronosyltransferases. Drug Metab Dispos. 1991 Jan-Feb; 19(1):173-7. PMID: 1673394.
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    106. Radominska A, Comer KA, Zimniak P, Falany J, Iscan M, Falany CN. Human liver steroid sulphotransferase sulphates bile acids. Biochem J. 1990 Dec 15; 272(3):597-604. PMID: 2268288.
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    107. Anwer MS, Atkinson JM, Zimniak P. Amiloride and taurine inhibit cholate-induced HCO3(-)-rich choleresis in perfused rat livers. Am J Physiol. 1990 Sep; 259(3 Pt 1):G453-61. PMID: 2169205.
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    108. Zimniak P, Radominska A, Lester R. The pathogenesis of cholestasis. Hosp Pract (Off Ed). 1990 Aug 15; 25(8):107-11, 114-8, 123-5. PMID: 2116425.
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    109. Little JM, Zimniak P, Shattuck KE, Lester R, Radominska A. Metabolism of lithocholic acid in the rat: formation of lithocholic acid 3-O-glucuronide in vivo. J Lipid Res. 1990 Apr; 31(4):615-22. PMID: 2351869.
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    110. Anwer MS, Little JM, Oelberg DG, Zimniak P, Lester R. Effect of bile acids on calcium efflux from isolated rat hepatocytes and perfused rat livers. Proc Soc Exp Biol Med. 1989 Jun; 191(2):147-52. PMID: 2498885.
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    111. Zimniak P, Radominska A, Zimniak M, Lester R. Formation of three types of glucuronides of 6-hydroxy bile acids by rat liver microsomes. J Lipid Res. 1988 Feb; 29(2):183-90. PMID: 3367087.
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    112. Radominska-Pyrek A, Zimniak P, Irshaid YM, Lester R, Tephly TR, St Pyrek J. Glucuronidation of 6 alpha-hydroxy bile acids by human liver microsomes. J Clin Invest. 1987 Jul; 80(1):234-41. PMID: 3110212.
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    113. Radominska-Pyrek A, Zimniak P, Chari M, Golunski E, Lester R, St Pyrek J. Glucuronides of monohydroxylated bile acids: specificity of microsomal glucuronyltransferase for the glucuronidation site, C-3 configuration, and side chain length. J Lipid Res. 1986 Jan; 27(1):89-101. PMID: 3083033.
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    114. Zimniak P, Barnes EM. Reconstitution of calcium transporters from Azotobacter vinelandii membranes. Arch Biochem Biophys. 1983 Jan; 220(1):247-52. PMID: 6830236.
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    115. Pilarska M, Zimniak P, Pikula S, Sarzala MG. The terminal step of the de novo synthesis of diacyl and alkylacyl phospholipids in subfractions of rabbit sarcoplasmic reticulum ontogenesis. FEBS Lett. 1980 May 19; 114(1):21-4. PMID: 6247210.
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    116. Zimniak P, Racker E. Electrogenicity of Ca2+ transport catalyzed by the Ca2+-ATPase from sarcoplasmic reticulum. J Biol Chem. 1978 Jul 10; 253(13):4631-7. PMID: 149132.
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    117. Zimniak P, Hartter E, Woloszczuk W, Ruis H. Catalase biosynthesis in yeast: formation of catalase A and catalase T during oxygen adaptation of Saccharomyces cerevisiae. Eur J Biochem. 1976 Dec 11; 71(2):393-8. PMID: 795666.
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