Barry Zirkin - Publications

Affiliations: 
Biochemistry and Molecular Biology Johns Hopkins University, Baltimore, MD 
Area:
Cell Biology, Biochemistry, Conservation Biology

103 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 Guan X, Ji M, Wen X, Huang F, Zhao X, Chen D, Shao J, Wang J, Xie J, Tian J, Lin H, Duan P, Zirkin BR, Su Z, Chen H. Single-cell RNA sequencing of adult rat testes after Leydig cell elimination and restoration. Scientific Data. 9: 106. PMID 35338159 DOI: 10.1038/s41597-022-01225-5  0.397
2022 Guan X, Chen P, Ji M, Wen X, Chen D, Zhao X, Huang F, Wang J, Shao J, Xie J, Zhao X, Chen F, Tian J, Lin H, Zirkin BR, et al. Identification of Rat Testicular Leydig Precursor Cells by Single-Cell-RNA-Sequence Analysis. Frontiers in Cell and Developmental Biology. 10: 805249. PMID 35242757 DOI: 10.3389/fcell.2022.805249  0.328
2021 Traore K, More P, Adla A, Dogbey G, Papadopoulos V, Zirkin B. MEHP induces alteration of mitochondrial function and inhibition of steroid biosynthesis in MA-10 mouse tumor Leydig cells. Toxicology. 463: 152985. PMID 34627990 DOI: 10.1016/j.tox.2021.152985  0.316
2021 Chung JY, Chen H, Zirkin B. Sirt1 and Nrf2: Regulation of Leydig cell oxidant/antioxidant intracellular environment and steroid formation. Biology of Reproduction. PMID 34363387 DOI: 10.1093/biolre/ioab150  0.421
2020 Traore K, Li Y, Papadopoulos V, Zirkin B. ALTERATION OF MITOCHONDRIAL MEMBRANE POTENTIAL (ΔΨM): POTENTIAL ROLE IN THE MECHANISM OF MEHP‐INDUCED INHIBITION OF STEROID BIOSYNTHESIS IN MA‐10 LEYDIG CELLS The Faseb Journal. 34: 1-1. DOI: 10.1096/Fasebj.2020.34.S1.05989  0.353
2019 Chung JY, Chen H, Papadopoulos V, Zirkin B. Cholesterol Accumulation, Lipid Droplet Formation and Steroid Production in Leydig Cells: Role of Translocator Protein (18-kDa). Andrology. PMID 31738001 DOI: 10.1111/Andr.12733  0.354
2019 Chen P, Zirkin BR, Chen H. Leydig Cells in the Adult Testis: Characterization, Regulation and Potential Applications. Endocrine Reviews. PMID 31673697 DOI: 10.1210/endrev/bnz013  0.325
2019 Vom Steeg LG, Attreed SE, Zirkin B, Klein SL. Testosterone treatment of aged male mice improves some but not all aspects of age-associated increases in influenza severity. Cellular Immunology. 103988. PMID 31540670 DOI: 10.1016/J.Cellimm.2019.103988  0.322
2019 Chung JY, Brown S, Chen H, Liu J, Papadopoulos V, Zirkin B. Effects of Pharmacologically Induced Leydig Cell Testosterone Production on Intratesticular Testosterone and Spermatogenesis. Biology of Reproduction. PMID 31504200 DOI: 10.1093/Biolre/Ioz174  0.387
2019 Zhou C, Zaman N, Li Y, Martinez-Arguelles DB, Papadopoulos V, Zirkin B, Traore K. Redox Regulation of Hormone Sensitive Lipase: Potential Role in the Mechanism of MEHP-Induced Stimulation of Basal Steroid Synthesis in MA-10 Leydig Cells. Reproductive Toxicology (Elmsford, N.Y.). PMID 30648648 DOI: 10.1016/J.Reprotox.2018.12.010  0.329
2019 Posielski* N, Krieger J, Burnett A, Chen H, Zirkin B, Le B. MP58-08 OSTEOCALCIN AS A NOVEL REGULATOR OF TESTOSTERONE PRODUCTION: A BENCH TO BEDSIDE STUDY IN RATS AND HUMANS Journal of Urology. 201. DOI: 10.1097/01.Ju.0000556700.47511.88  0.315
2018 Zirkin BR, Papadopoulos V. Leydig Cells: Formation, Function and Regulation. Biology of Reproduction. PMID 29566165 DOI: 10.1093/Biolre/Ioy059  0.38
2017 Fan J, Wang K, Zirkin B, Papadopoulos V. CRISPR/CAS9-mediated Tspo gene mutations lead to reduced mitochondrial membrane potential and STEROID FORMation in MA-10 mouse tumor Leydig cells. Endocrinology. PMID 29300865 DOI: 10.1210/En.2017-03065  0.354
2017 Chen H, Wang Y, Ge R, Zirkin BR. Corrigendum to "Leydig cell stem cells: Identification, proliferation and differentiation" [Mol. Cell. Endocrinol. XXX (2016) 1-9]. Molecular and Cellular Endocrinology. 454: 166. PMID 28780938 DOI: 10.1016/j.mce.2017.07.031  0.332
2017 Wang Y, Chen F, Ye L, Zirkin BR, Chen H. Steroidogenesis in Leydig Cells: Effects of Aging and Environmental Factors. Reproduction (Cambridge, England). PMID 28747539 DOI: 10.1530/REP-17-0064  0.384
2017 Papadopoulos V, Fan J, Zirkin B. Translocator protein (18 kDa): an update on its function in steroidogenesis. Journal of Neuroendocrinology. PMID 28667781 DOI: 10.1111/Jne.12500  0.368
2016 Chen H, Wang Y, Ge R, Zirkin BR. Leydig cell stem cells: Identification, proliferation and differentiation. Molecular and Cellular Endocrinology. PMID 27743991 DOI: 10.1016/j.mce.2016.10.010  0.344
2016 Chen H, Jin S, Huang S, Folmer J, Liu J, Ge R, Zirkin BR. Transplantation of alginate-encapsulated seminiferous tubules and interstitial tissue into adult rats: Leydig stem cell differentiation in vivo? Molecular and Cellular Endocrinology. PMID 27591121 DOI: 10.1016/j.mce.2016.08.046  0.38
2016 Li X, Wang Z, Jiang Z, Guo J, Zhang Y, Li C, Chung J, Folmer J, Liu J, Lian Q, Ge R, Zirkin BR, Chen H. Regulation of seminiferous tubule-associated stem Leydig cells in adult rat testes. Proceedings of the National Academy of Sciences of the United States of America. PMID 26929346 DOI: 10.1073/pnas.1519395113  0.309
2015 Midzak A, Zirkin B, Papadopoulos V. Translocator protein: pharmacology and steroidogenesis. Biochemical Society Transactions. 43: 572-8. PMID 26551695 DOI: 10.1042/Bst20150061  0.734
2015 Chen H, Guo J, Ge R, Lian Q, Papadopoulos V, Zirkin BR. Steroidogenic fate of the Leydig cells that repopulate the testes of young and aged Brown Norway rats after elimination of the preexisting Leydig cells. Experimental Gerontology. PMID 26335619 DOI: 10.1016/J.Exger.2015.08.014  0.409
2015 Chen H, Jin S, Guo J, Kombairaju P, Biswal S, Zirkin BR. Knockout of the transcription factor Nrf2: Effects on testosterone production by aging mouse Leydig cells. Molecular and Cellular Endocrinology. 409: 113-20. PMID 25818884 DOI: 10.1016/J.Mce.2015.03.013  0.338
2015 Papadopoulos V, Aghazadeh Y, Fan J, Campioli E, Zirkin B, Midzak A. Translocator protein-mediated pharmacology of cholesterol transport and steroidogenesis. Molecular and Cellular Endocrinology. 408: 90-8. PMID 25818881 DOI: 10.1016/J.Mce.2015.03.014  0.726
2015 Beattie MC, Adekola L, Papadopoulos V, Chen H, Zirkin BR. Leydig cell aging and hypogonadism. Experimental Gerontology. 68: 87-91. PMID 25700847 DOI: 10.1016/J.Exger.2015.02.014  0.632
2015 Salehi S, Adeshina I, Chen H, Zirkin BR, Hussain MA, Wondisford F, Wolfe A, Radovick S. Developmental and endocrine regulation of kisspeptin expression in mouse Leydig cells. Endocrinology. 156: 1514-22. PMID 25635620 DOI: 10.1210/En.2014-1606  0.359
2015 Le B, Chen H, Billups K, Burnett AL, Zirkin B. PD36-08 LOW OSTEOCALCIN LEVELS ARE AN INDEPENDENT FACTOR ASSOCIATED WITH ANDROGEN DEFICIENCY Journal of Urology. 193. DOI: 10.1016/J.Juro.2015.02.2257  0.376
2014 Le B, Chen H, Zirkin B, Burnett A. New targets for increasing endogenous testosterone production: clinical implications and review of the literature. Andrology. 2: 484-90. PMID 24817562 DOI: 10.1111/J.2047-2927.2014.00225.X  0.39
2014 Odeh HM, Kleinguetl C, Ge R, Zirkin BR, Chen H. Regulation of the proliferation and differentiation of Leydig stem cells in the adult testis. Biology of Reproduction. 90: 123. PMID 24740597 DOI: 10.1095/Biolreprod.114.117473  0.309
2013 Zhou L, Beattie MC, Lin CY, Liu J, Traore K, Papadopoulos V, Zirkin BR, Chen H. Oxidative stress and phthalate-induced down-regulation of steroidogenesis in MA-10 Leydig cells. Reproductive Toxicology (Elmsford, N.Y.). 42: 95-101. PMID 23969005 DOI: 10.1016/J.Reprotox.2013.07.025  0.677
2013 Chung JY, Chen H, Midzak A, Burnett AL, Papadopoulos V, Zirkin BR. Drug ligand-induced activation of translocator protein (TSPO) stimulates steroid production by aged Brown Norway rat leydig cells Endocrinology. 154: 2156-2165. PMID 23525219 DOI: 10.1210/En.2012-2226  0.774
2013 Beattie MC, Chen H, Fan J, Papadopoulos V, Miller P, Zirkin BR. Aging and luteinizing hormone effects on reactive oxygen species production and DNA damage in rat Leydig cells. Biology of Reproduction. 88: 100. PMID 23486914 DOI: 10.1095/Biolreprod.112.107052  0.691
2012 Stanley E, Lin CY, Jin S, Liu J, Sottas CM, Ge R, Zirkin BR, Chen H. Identification, proliferation, and differentiation of adult Leydig stem cells. Endocrinology. 153: 5002-10. PMID 22865373 DOI: 10.1210/En.2012-1417  0.715
2012 Traore K, Zirkin B, Thimmulappa RK, Biswal S, Trush MA. Upregulation of TLR1, TLR2, TLR4, and IRAK-2 Expression During ML-1 Cell Differentiation to Macrophages: Role in the Potentiation of Cellular Responses to LPS and LTA. Isrn Oncology. 2012: 641246. PMID 22685674 DOI: 10.5402/2012/641246  0.329
2011 Stanley EL, Johnston DS, Fan J, Papadopoulos V, Chen H, Ge RS, Zirkin BR, Jelinsky SA. Stem Leydig cell differentiation: gene expression during development of the adult rat population of Leydig cells. Biology of Reproduction. 85: 1161-6. PMID 21832170 DOI: 10.1095/Biolreprod.111.091850  0.705
2011 Martinez-Arguelles DB, Guichard T, Culty M, Zirkin BR, Papadopoulos V. In utero exposure to the antiandrogen di-(2-ethylhexyl) phthalate decreases adrenal aldosterone production in the adult rat. Biology of Reproduction. 85: 51-61. PMID 21389346 DOI: 10.1095/Biolreprod.110.089920  0.306
2011 Midzak AS, Chen H, Aon MA, Papadopoulos V, Zirkin BR. ATP synthesis, mitochondrial function, and steroid biosynthesis in rodent primary and tumor Leydig cells. Biology of Reproduction. 84: 976-85. PMID 21228212 DOI: 10.1095/Biolreprod.110.087460  0.737
2011 Beattie M, Chen H, Zirkin BR. Aging and LH Effects on ROS Production and DNA Damage in Leydig Cells. Biology of Reproduction. 85: 67-67. DOI: 10.1093/Biolreprod/85.S1.67  0.612
2010 Chen H, Stanley E, Jin S, Zirkin BR. Stem Leydig cells: from fetal to aged animals. Birth Defects Research. Part C, Embryo Today : Reviews. 90: 272-83. PMID 21181888 DOI: 10.1002/Bdrc.20192  0.71
2010 Fan J, Traore K, Li W, Amri H, Huang H, Wu C, Chen H, Zirkin B, Papadopoulos V. Molecular mechanisms mediating the effect of mono-(2-ethylhexyl) phthalate on hormone-stimulated steroidogenesis in MA-10 mouse tumor Leydig cells. Endocrinology. 151: 3348-62. PMID 20463053 DOI: 10.1210/En.2010-0010  0.306
2010 Chen H, Zhou L, Lin CY, Beattie MC, Liu J, Zirkin BR. Effect of glutathione redox state on Leydig cell susceptibility to acute oxidative stress. Molecular and Cellular Endocrinology. 323: 147-54. PMID 20206230 DOI: 10.1016/j.mce.2010.02.034  0.663
2010 Hu GX, Lin H, Chen GR, Chen BB, Lian QQ, Hardy DO, Zirkin BR, Ge RS. Deletion of the Igf1 gene: suppressive effects on adult Leydig cell development. Journal of Andrology. 31: 379-87. PMID 20203337 DOI: 10.2164/jandrol.109.008680  0.303
2009 Chen H, Ge RS, Zirkin BR. Leydig cells: From stem cells to aging. Molecular and Cellular Endocrinology. 306: 9-16. PMID 19481681 DOI: 10.1016/j.mce.2009.01.023  0.436
2009 Midzak AS, Chen H, Papadopoulos V, Zirkin BR. Leydig cell aging and the mechanisms of reduced testosterone synthesis. Molecular and Cellular Endocrinology. 299: 23-31. PMID 18761053 DOI: 10.1016/J.Mce.2008.07.016  0.757
2008 Show MD, Hill CM, Anway MD, Wright WW, Zirkin BR. Phosphorylation of mitogen-activated protein kinase 8 (MAPK8) is associated with germ cell apoptosis and redistribution of the Bcl2-modifying factor (BMF). Journal of Andrology. 29: 338-44. PMID 18222916 DOI: 10.2164/Jandrol.107.003558  0.784
2008 Chen H, Pechenino AS, Liu J, Beattie MC, Brown TR, Zirkin BR. Effect of glutathione depletion on Leydig cell steroidogenesis in young and old brown Norway rats. Endocrinology. 149: 2612-9. PMID 18202138 DOI: 10.1210/en.2007-1245  0.703
2008 Midzak A, Zirkin BR. Metabolic Control of Steroidogenesis and Implications for Aging in the Brown Norway Rat Leydig Cell. Biology of Reproduction. 78: 82-82. DOI: 10.1093/Biolreprod/78.S1.82  0.743
2008 Zirkin BR. Testosterone and Leydig Cell Function Through the Lifecycle. Biology of Reproduction. 78: 159-159. DOI: 10.1093/biolreprod/78.s1.159a  0.317
2008 Chen H, Zhou L, Midzak AS, Beattie MC, Liu J, Zirkin BR. Effect of Glutathione Depletion on Susceptibility of MA-10 Leydig Cell Steroidogenesis to Oxidative Stress. Biology of Reproduction. 78: 151-151. DOI: 10.1093/Biolreprod/78.S1.151A  0.755
2007 Midzak AS, Liu J, Zirkin BR, Chen H. Effect of myxothiazol on Leydig cell steroidogenesis: inhibition of luteinizing hormone-mediated testosterone synthesis but stimulation of basal steroidogenesis. Endocrinology. 148: 2583-90. PMID 17332065 DOI: 10.1210/En.2006-1488  0.738
2007 Chen H, Luo L, Liu J, Zirkin BR. Cyclooxygenases in rat Leydig cells: effects of luteinizing hormone and aging. Endocrinology. 148: 735-42. PMID 17068133 DOI: 10.1210/en.2006-0925  0.463
2006 Ge RS, Dong Q, Sottas CM, Papadopoulos V, Zirkin BR, Hardy MP. In search of rat stem Leydig cells: identification, isolation, and lineage-specific development. Proceedings of the National Academy of Sciences of the United States of America. 103: 2719-24. PMID 16467141 DOI: 10.1073/Pnas.0507692103  0.369
2006 Luo L, Chen H, Trush MA, Show MD, Anway MD, Zirkin BR. Aging and the brown Norway rat leydig cell antioxidant defense system. Journal of Andrology. 27: 240-7. PMID 16304208 DOI: 10.2164/Jandrol.05075  0.79
2005 Anway MD, Show MD, Zirkin BR. Protein C inhibitor expression by adult rat Sertoli cells: effects of testosterone withdrawal and replacement. Journal of Andrology. 26: 578-85. PMID 16088033 DOI: 10.2164/Jandrol.05001  0.769
2005 Chen H, Liu J, Luo L, Baig MU, Kim JM, Zirkin BR. Vitamin E, aging and Leydig cell steroidogenesis. Experimental Gerontology. 40: 728-36. PMID 16054318 DOI: 10.1016/j.exger.2005.06.004  0.433
2005 Chen H, Luo L, Liu J, Brown T, Zirkin BR. Aging and caloric restriction: effects on Leydig cell steroidogenesis. Experimental Gerontology. 40: 498-505. PMID 15935587 DOI: 10.1016/j.exger.2005.03.011  0.302
2005 Luo L, Chen H, Zirkin BR. Temporal relationships among testosterone production, steroidogenic acute regulatory protein (StAR), and P450 side-chain cleavage enzyme (P450scc) during Leydig cell aging. Journal of Andrology. 26: 25-31. PMID 15611563  0.411
2004 Show MD, Anway MD, Zirkin BR. An ex vivo analysis of Sertoli cell actin dynamics following gonadotropic hormone withdrawal. Journal of Andrology. 25: 1013-21. PMID 15477377 DOI: 10.1002/J.1939-4640.2004.Tb03175.X  0.786
2004 Chen H, Liu J, Luo L, Zirkin BR. Dibutyryl cyclic adenosine monophosphate restores the ability of aged Leydig cells to produce testosterone at the high levels characteristic of young cells. Endocrinology. 145: 4441-6. PMID 15231695 DOI: 10.1210/en.2004-0639  0.451
2004 Hill CM, Anway MD, Zirkin BR, Brown TR. Intratesticular androgen levels, androgen receptor localization, and androgen receptor expression in adult rat Sertoli cells. Biology of Reproduction. 71: 1348-58. PMID 15215201 DOI: 10.1095/biolreprod.104.029249  0.372
2004 Chen H, Irizarry RA, Luo L, Zirkin BR. Leydig cell gene expression: effects of age and caloric restriction. Experimental Gerontology. 39: 31-43. PMID 14724062 DOI: 10.1016/J.Exger.2003.09.021  0.33
2004 Show MD, Folmer JS, Anway MD, Zirkin BR. Testicular expression and distribution of the rat bcl2 modifying factor in response to reduced intratesticular testosterone. Biology of Reproduction. 70: 1153-61. PMID 14668207 DOI: 10.1095/Biolreprod.103.023200  0.784
2003 Show MD, Anway MD, Folmer JS, Zirkin BR. Reduced intratesticular testosterone concentration alters the polymerization state of the Sertoli cell intermediate filament cytoskeleton by degradation of vimentin. Endocrinology. 144: 5530-6. PMID 12970161 DOI: 10.1210/En.2003-0735  0.788
2003 Anway MD, Folmer J, Wright WW, Zirkin BR. Isolation of sertoli cells from adult rat testes: an approach to ex vivo studies of Sertoli cell function. Biology of Reproduction. 68: 996-1002. PMID 12604653 DOI: 10.1095/biolreprod.102.008045  0.419
2002 Culty M, Luo L, Yao ZX, Chen H, Papadopoulos V, Zirkin BR. Cholesterol transport, peripheral benzodiazepine receptor, and steroidogenesis in aging Leydig cells. Journal of Andrology. 23: 439-47. PMID 12002446  0.444
2002 Culty M, Luo L, Yao Z, Chen H, Papadopoulos V, Zirkin BR, Hales DB. Another piece in the maddening puzzle of declining steroidogenesis in aging Leydig cells Journal of Andrology. 23: 327-329. PMID 12002432  0.338
2002 Chen H, Hardy MP, Zirkin BR. Age-related decreases in Leydig cell testosterone production are not restored by exposure to LH in vitro. Endocrinology. 143: 1637-42. PMID 11956144 DOI: 10.1210/endo.143.5.8802  0.461
2001 Syntin P, Chen H, Zirkin BR, Robaire B. Gene expression in Brown Norway rat Leydig cells: Effects of age and of age-related germ cell loss Endocrinology. 142: 5277-5285. PMID 11713227 DOI: 10.1210/Endo.142.12.8526  0.39
2001 Chen H, Cangello D, Benson S, Folmer J, Zhu H, Trush MA, Zirkin BR. Age-related increase in mitochondrial superoxide generation in the testosterone-producing cells of Brown Norway rat testes: relationship to reduced steroidogenic function? Experimental Gerontology. 36: 1361-73. PMID 11602210 DOI: 10.1016/S0531-5565(01)00118-8  0.466
2001 Kim JM, Ghosh SR, Weil AC, Zirkin BR. Caspase-3 and caspase-activated deoxyribonuclease are associated with testicular germ cell apoptosis resulting from reduced intratesticular testosterone. Endocrinology. 142: 3809-16. PMID 11517157 DOI: 10.1210/endo.142.9.8375  0.338
2001 Luo L, Chen H, Zirkin BR. Leydig cell aging: Steroidogenic acute regulatory protein (StAR) and cholesterol side-chain cleavage enzyme Journal of Andrology. 22: 149-156. PMID 11191081  0.442
2000 Zirkin BR, Chen H. Regulation of Leydig cell steroidogenic function during aging Biology of Reproduction. 63: 977-981. PMID 10993816  0.472
1999 Chen H, Zirkin BR. Long-term suppression of Leydig cell steroidogenesis prevents Leydig cell aging Proceedings of the National Academy of Sciences of the United States of America. 96: 14877-14881. PMID 10611306 DOI: 10.1073/pnas.96.26.14877  0.418
1999 Nandi S, Banerjee PP, Zirkin BR. Germ cell apoptosis in the testes of Sprague Dawley rats following testosterone withdrawal by ethane 1,2-dimethanesulfonate administration: Relationship to Fas? Biology of Reproduction. 61: 70-75. PMID 10377033 DOI: 10.1095/biolreprod61.1.70  0.406
1998 Grzywacz FW, Chen H, Allegretti J, Zirkin BR. Does age-associated reduced Leydig cell testosterone production in Brown Norway rats result from understimulation by luteinizing hormone? Journal of Andrology. 19: 625-630. PMID 9796624  0.402
1998 Luo L, Chen H, Stocco DM, Zirkin BR. Leydig cell protein synthesis and steroidogenesis in response to acute stimulation by luteinizing hormone in rats Biology of Reproduction. 59: 263-270. PMID 9687294 DOI: 10.1095/Biolreprod59.2.263  0.404
1998 Banerjee PP, Banerjee S, Zirkin BR, Brown TR. Telomerase activity in normal adult Brown Norway rat seminal vesicle: regional distribution and age-dependent changes. Endocrinology. 139: 1075-81. PMID 9492040 DOI: 10.1210/endo.139.3.5839  0.328
1997 Zirkin BR, Chen H, Luo L. Leydig cell steroidogenesis in aging rats Experimental Gerontology. 32: 529-537. PMID 9315454 DOI: 10.1016/S0531-5565(96)00165-9  0.432
1997 Sprando RL, Zirkin BR. Is Leydig cell steroidogenic function affected by the germ cell content of the seminiferous tubules? Journal of Andrology. 18: 424-430. PMID 9283956  0.422
1996 Chen H, Huhtaniemi I, Zirkin BR. Depletion and repopulation of Leydig cells in the testes of aging Brown Norway rats Endocrinology. 137: 3447-3452. PMID 8754773 DOI: 10.1210/en.137.8.3447  0.395
1995 Roberts KP, Banerjee PP, Tindall JWM, Zirkin BR. Immortalization and characterization of a sertoli cell line from the adult rat Biology of Reproduction. 53: 1446-1453. PMID 8562702 DOI: 10.1095/biolreprod53.6.1446  0.311
1994 Banerjee PP, Banerjee S, Dorsey R, Zirkin BR, Brown TR. Age- and lobe-specific responses of the brown Norway rat prostate to androgen. Biology of Reproduction. 51: 675-84. PMID 7819449  0.313
1994 Chen H, Hardy MP, Huhtaniemi I, Zirkin BR. Age-related decreased Leydig cell testosterone production in the Brown Norway rat Journal of Andrology. 15: 551-557. PMID 7721657  0.463
1993 Wright WW, Fiore C, Zirkin BR. The effect of aging on the seminiferous epithelium of the brown Norway rat Journal of Andrology. 14: 110-117. PMID 8514616  0.4
1993 Kelce WR, Zirkin BR. Mechanism by Which Ethane Dimethanesulfonate Kills Adult Rat Leydig Cells: Involvement of Intracellular Glutathione Toxicology and Applied Pharmacology. 120: 80-88. PMID 8390114 DOI: 10.1006/taap.1993.1089  0.386
1992 Roberts KP, Santulli R, Seiden J, Zirkin BR. The effect of testosterone withdrawal and subsequent germ cell depletion on transferrin and sulfated glycoprotein-2 messenger ribonucleic acid levels in the adult rat testis Biology of Reproduction. 47: 92-96. PMID 1637953 DOI: 10.1095/biolreprod47.1.92  0.339
1992 Trasler JM, Alcivar AA, Awoniyi CA, Santulli R, Zirkin BR, Hecht NB. Temporal gene expression is restored concomitantly with germ cells in the experimentally regressed rat testis. Endocrinology. 131: 297-304. PMID 1612009 DOI: 10.1210/endo.131.1.1612009  0.4
1991 Roberts KP, Awoniyi CA, Santulli R, Zirkin BR. Regulation of sertoli cell transferrin and sulfated glycoprotein-2 messenger ribonucleic acid levels during the restoration of spermatogenesis in the adult hypophysectomized rat Endocrinology. 129: 3417-3423. PMID 1954915  0.356
1991 Kelce WR, Zirkin BR, Ewing LL. Immature rat Leydig cells are intrinsically less sensitive than adult Leydig cells to ethane dimethanesulfonate Toxicology and Applied Pharmacology. 111: 189-200. PMID 1659752 DOI: 10.1016/0041-008X(91)90023-8  0.37
1990 Mendis-Handagama SMLC, Zirkin BR, Scallen TJ, Ewing LL. Studies on peroxisomes of the adult rat Leydig cell Journal of Andrology. 11: 270-278. PMID 2384346  0.37
1990 Mendis-Handagama SMLC, Watkins PA, Gelber SJ, Scallen TJ, Zirkin BR, Ewing LL. Luteinizing hormone causes rapid and transient changes in rat Leydig cell peroxisome volume and intraperoxisomal sterol carrier protein-2 content Endocrinology. 127: 2947-2954. PMID 2249635  0.31
1990 Keeney DS, Sprando RL, Robaire B, Zirkin BR, Ewing LL. Reversal of long-term LH deprivation on testosterone secretion and Leydig cell volume, number and proliferation in adult rats Journal of Endocrinology. 127: 47-58. PMID 2129433  0.316
1989 Hardy MP, Zirkin BR, Ewing LL. Kinetic studies on the development of the adult population of Leydig cells in testes of the pubertal rat Endocrinology. 124: 762-770. PMID 2912699  0.368
1988 Mendis-Handagama SMLC, Zirkin BR, Ewing LL. Comparison of components of the testis interstitium with testosterone secretion in hamster, rat, and guinea pig testes perfused in vitro American Journal of Anatomy. 181: 12-22. PMID 3348144  0.37
1988 Keeney DS, Mendis-Handagama SMLC, Zirkin BR, Ewing LL. Effect of long term deprivation of luteinizing hormone on Leydig cell volume, Leydig cell number, and steroidogenic capacity of the rat testis Endocrinology. 123: 2906-2915. PMID 3197648  0.411
1988 Walters JR, Juniewicz PE, Oesterling JE, Mendis-Handagama SM, Zirkin BR, Ewing LL. The effect of inhibition of aromatase enzyme activity on Leydig cell number and ultrastructure in beagles. Endocrinology. 123: 2223-9. PMID 2971525 DOI: 10.1210/endo-123-5-2223  0.377
1987 Zirkin BR, Ewing LL. Leydig cell differentiation during maturation of the rat testis: A stereological study of cell number and ultrastructure Anatomical Record. 219: 157-163. PMID 3688469 DOI: 10.1002/ar.1092190208  0.374
1985 Wing TY, Ewing LL, Zegeye B, Zirkin BR. Restoration effects of exogenous luteinizing hormone on the testicular steroidogenesis and Leydig cell ultrastructure Endocrinology. 117: 1779-1787. PMID 4042963  0.304
1984 Bronstein RD, Holt JA, Zirkin BR. Estradiol-induced changes in progesterone secretion by rabbit corpora lutea are associated with quantitative ultrastructural changes in luteal cells. Endocrinology. 115: 342-9. PMID 6734518 DOI: 10.1210/endo-115-1-342  0.321
1984 Wing TY, Ewing LL, Zirkin BR. Effects of luteinizing hormone withdrawal on Leydig cell smooth endoplasmic reticulum and steroidogenic reactions which convert pregnenolone to testosterone Endocrinology. 115: 2290-2296. PMID 6499769  0.361
1983 Ewing LL, Wing TY, Cochran RC, Kromann N, Zirkin BR. Effect of luteinizing hormone on Leydig cell structure and testosterone secretion Endocrinology. 112: 1763-1769. PMID 6403335  0.332
1982 Marshall FF, Ewing LL, Zirkin BR, Cochran RC. Testicular atrophy associated with agenesis of the epididymis in the ACI rat Journal of Urology. 127: 155-158. PMID 7057491  0.328
1982 Zirkin BR, Dykman DD, Kromann N. Inhibition and recovery of testosterone secretion in rats are tightly coupled to quantitative changes in Leydig cell smooth endoplasmic reticulum Annals of the New York Academy of Sciences. 17-28. PMID 6953809  0.321
1981 Ewing LL, Zirkin BR, Chubb C. Assessment of testicular testosterone production and Leydig cell structure Environmental Health Perspectives. 19-27. PMID 7238445  0.34
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