Testosterone, Dihydrotestosterone, and Zinc Concentrations in Human Testis and Epididymis

References

• Aafjes JH., Vreeburg JThM. Distribution of 5α-dihydro-testosterone in the epididymis of bull and boar, and its concentration in rat epididymis after ligation of efferent testicular ducts, castration, and unilateral gonadectomy. J Endocrinol 1972; 53: 85–93
   PubMed Web of Science ®Google Scholar
• Abbassi AA, Prassad AS, Rabbani P, Du Mouchelle E. Experimental zinc deficiency in man: Effect on testicular function. J Lab Clin Med 1980; 96: 544–549
   Google Scholar
• Antoniou LD, Shalhoub RJ, Telechery S, Smith JC, Jr. Reversal of uremic impotence by zinc. Lancet 1977; 11: 895–898
   Google Scholar
• Dawson JB, Walker BE. Direct determination of zinc in whole blood, plasma and urine by atomic absorption spectroscopy. Clin Chim Acta 1969; 26: 465–475
   PubMed Web of Science ®Google Scholar
• De Larminat MA, Hinrichsen M, Scorticati C, Ghirlanda JM, Blaquier JA, Calandra RS. Uptake and metabolism of androgen by the human epididymis in vitro. J Reprod Fertil 1980; 59: 397–402
   Google Scholar
• Dorrington JH, Fritz JB. Androgen synthesis and metabolism by preparations from the seminiferous tubule of the rat testis. Hormonal Regulation of Spermatogenesis, FS French, V Hansson, EM Ritzen, SN Nayfeh. Plenum Press, New York 1975; 37–52
   Google Scholar
• Gloyna RE, Wilson JD. A comparative study of the conversion of testosterone to 17β-Hidroxy- 5α-androstan-3-one (Dihydrotestosterone) by prostate and epididymis. J Clin Endocr 1969; 29: 970–977
   PubMed Web of Science ®Google Scholar
• Habib FK, Hammond GL, Lee IR, Dawson JB, Mason MK, Smith PH, Stitch SR. Metal–androgen interrelationships in carcinoma and hyperplasia of the human prostate. J Endocrinol 1976; 71: 133–141
   PubMed Web of Science ®Google Scholar
• Habib FK. Zinc and the steroid endocrinology of the human prostate. J Steroid Biochem 1978; 9: 403–407
   PubMedGoogle Scholar
• Halsted JA, Ronaghy HA, Abadi P, Haghshenass M, Amirhakeni GH, Barakat RM, Reinhold JC. Zinc deficiency in man. Am J Med 1972; 53: 277–284
   PubMed Web of Science ®Google Scholar
• Hartoma TR, Nahoul K, Netter A. Zinc, plasma androgens, and male sterility. Lancet 1977; II: 1125–1126
   Google Scholar
• Hsu AF, Stratico D, Hosaka M, Troen P. Studies of the human testis. X. Properties of human chorionic gonadotropin receptor in adult testis and relation to intratesticular testosterone concentration. J Clin Endocrinol Metab 1978; 47: 529–536
   Google Scholar
• Leinonen F, Hammond GR, Vihko R. Testosterone and some of its precursors and metabolites in the human epididymis. J Clin Endocrinol Metabol 1980; 51: 423–428
   Google Scholar
• Lowry OH, Rosebrough NJ, Farr AL, Randall RJ. Protein measurement with the Folin phenol reagent. J Biol Chem 1951; 193: 265–275
   PubMed Web of Science ®Google Scholar
• Mann T. Biochemistry of Semen and of the Male Reproductive Tract, 2nd ed. John Wiley, New York 1964; 37–78
   Google Scholar
• Matusmoto K, Yamada M. 5α-Reduction of testosterone in vitro by rat seminiferous tubules and whole testes at different stages of development. Endocrinology 1973; 93: 253–255
   Google Scholar
• Mawhinney MG, Belis JA. Androgens and estrogen in prostatic neoplasia. Cellular Mechanisms Modulating Gonadal Hormone Action, RL Singhal, JA Thomas. Medical and Scientific Publishers, Baltimore, MD 1976; 141–209
   Google Scholar
• Morse HC, Horike N, Rowley MJ, Heller CG. Testosterone concentrations in testes of normal men: Effects of testosterone propionate administration. J Clin Endocrinol Metab 1973; 37: 882–886
   Google Scholar
• Podestá EJ, Rivarola MA. Concentration of androgens in whole testis, seminiferous tubules and interstitial tissue of rats at different stages of development. Endocrinology 1974; 95: 455–460
   PubMed Web of Science ®Google Scholar
• Prasad AS, Oberleas D, Wolf P, Horwitz JP. Studies on zinc deficiency: Changes in trace elements and enzyme activities in tissues of zinc-deficient rats. J Clin Invest 1967; 46: 549–557
   PubMed Web of Science ®Google Scholar
• Pujol A, Bayard F, Louvet JP, Boulard C. Testosterone and dihydrotestosterone concentrations in plasma, epididymal tissues, and seminal fluid of adult rats. Endocrinology 1976; 98: 111–113
   Google Scholar
• Purvis K, Calandra R, Haung E, Hansson V. 5α-reduced androgens and testicular function in the immature rat: Effects of 5α-androstan-17β-ol-3 one (DHT) propionate and 5α-androstan-3α, 17β-diol. Molec Cell Endocrinol 1977; 7: 203–219
   PubMed Web of Science ®Google Scholar
• Purvis K, Calandra R, Sander S, Hansson V. Androgen binding proteins and androgen levels in the human testis and epididymis. Int J Androl 1978; 1: 531–548
   Google Scholar
• Purvis K, Hansson V. Androgens and androgen-binding protein in the rat epididymis. J Reprod Fertil 1978; 52: 59–63
   Google Scholar
• Resko JA, Feder HH, Gay RW. Androgen concentrations in plasma and testis of developing rats. J Endocrinol 1968; 40: 485–491
   PubMed Web of Science ®Google Scholar
• Rivarola MA, Podestá EJ. Metabolism of testosterone-14C by seminiferous tubules of mature rats: Formation of 5α-androstan-3α, 17β-diol-14C. Endocrinology 1972; 90: 618–623
   Google Scholar
• Rivarola MA, Podestá EJ, Chemes HE, Aguilar D. In vitro metabolism of testosterone by whole human testis, isolated seminiferous tubules and interstitial tissue. J Clin Endocrinol 1973; 37: 454–460
   Google Scholar
• Ruokonen A, Laatikainen T, Laitinen EA, Vinko R. Free and sulfate conjugated neutral steroids in human testis tissue. Biochemistry 1972; 11: 1411–1416
   Google Scholar
• Steinberger E, Smith KD, Tcholakian RK, Chowdhury M, Steinberger A, Ficher M, Paulsen CA. Steroidogenesis in human testes. Male Fertility and Sterility, RE Mancini, T Martini. Academic Press, London 1974; 149–173
   Google Scholar
• Sulcova J, Starka L. The metabolism of androgens in normal human testis and epididymis. Endocr Exp 1973; 7: 113–118
   PubMedGoogle Scholar
• Van der Molen HJ, Grootegoed JA, De Greef-Bijleveld MJ, Rommerts FFG, Van der Vusse GJ. Distribution of steroids, steroid production and steroid metabolizing enzymes in rat testis. Hormonal Regulation of Spermatogenesis, FS French, V Hansson, EM Ritzen, SN Nayfeh. Plenum, New York 1975; 3–24
   Google Scholar