Ciba Foundation Symposium - Metabolic Breakdown of Steroids

Chapter 1 The Metabolism of C19 Steroids through person Tissues (pages 236–243): Leo T. Samuels
Chapter 2 In vivo Metabolism of C19 Steroids (pages 244–250): Frank Ungar and Ralph I. Dorfman
Chapter three Is Dehydroisoandrosterone remoted from Urine Extracts an unique 17?Ketosteroid or a made of Chemical Degradation? (pages 251–273): E. Dingemanse
Chapter four The impact of Androgens at the Urinary Excretion of Steroid Alcohols and ?strogens (pages 274–285): Lewis L. Engel, Marion Lance, Gladys Ekman, Katherine H. Spaulding, Priscilla Carter and Ira T. Nathanson
Chapter five Excretion of Steroids in a Case of Interstitial mobilephone Tumour of the Testis (pages 286–290): Eleanor H. Venning
Chapter 6 Metabolism of impartial C21 and C19 Steroids (pages 291–308): Ralph I. Dorfman
Chapter 7 Progesterone Metabolism—A evaluation (pages 309–326): William H. Pearlman
Chapter eight The Metabolism of Progesterone in Goats (pages 327–328): R. J. Boscott
Chapter nine The Separation of Urinary Cortical Steroids (pages 329–333): R. J. Boscott
Chapter 10 The middleman Metabolism of Progesterone in Human matters (pages 334–346): Ian F. Sommerville
Chapter eleven The Metabolism of Progesterone and comparable Compounds (pages 347–353): Ralph I. Dorfman, Frank Ungar, Paul Wgnos, Robert M. Stecher and Norman Shumway
Chapter 12 Metabolic experiences on Orally Administered Progesterone (pages 354–358): Eleanor H. Venning
Chapter thirteen Blood Progesterone in being pregnant (pages 359–365): C. J. O. R. Morris
Chapter 14 On attainable Relationships among the Metabolic Breakdown of Progesterone and its organic task (pages 366–374): H. S. Guterman
Chapter 15 11?Oxygenating Enzyme process (pages 375–380): Ralph I. Dorfman and Mika Hayano
Chapter sixteen The Metabolism of Steroid Hormones in people (pages 381–417): okay. Dobriner and S. Lieberman
Chapter 17 The impact of Corticosteroids on Carbohydrate and Electrolyte Metabolism in vitro (pages 418–422): F. Verzar
Chapter 18 Chairman's ultimate comments (pages 423–424): R. ok. Callow

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Additional resources for Ciba Foundation Symposium - Metabolic Breakdown of Steroids (Book II on Colloquia on Endocrinology), Volume II

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BOYLAND: Is it possible that some conversion of the secondary alcohol to the ketone occurs by purely chemical mechanisms? DORFMAN: I would suspect that if you had a 17-ketonethe equilibrium would be so far over to the ketosteroid compared t o the hydroxyl group that the concentration of the latter would be insignificant. BOYLAND: If the alcohol were optically active and there is equilibrium between the alcohol and ketone, one would expect rernization of the alcohol. DORFMAN: We did study adding androsterone to urines and we were unable to isolate the corresponding diol.

As we remarked, i-androstanolone was isolated both in neutral and in alkaline medium. The question was I now: doesi-androstanolone,in contra0 distinction to all other 17-ketoI steroids, occur in the unconjugated 0s 5 =O state in native urine? If that were the I case, it must be possible to isolate ONo this 17-ketosteroidfrom urine in neu- FIo. lo. sodium i-androtral medium at room temperature. ~~-6-01-17-0n s eu l ~ k k . But this proved to be impossible; the compound was extracted only at higher temperatures.

1949). , 164,844. , HUIS IN’T VELD,L. , and HAETOGH-KATZ, S. L. 18). , 161, 848;162, 492. , Hms IN’TVELD,L. , and DE LAAT,B. M. (1946). J. din. , 6, 535. ,and LAQUEUR, E. (1938). Bbchem. , 32, 651. , HILL,B. , FIESER, L. , and RHOADS, C. P. (1948). J. biol. , 172, 263. DISCUSSION CALLOW:We all have a great admiration for the way that during t h e war Dr. Dingemanse has worked out this pocket edition of chromatography. For myself I had not from the modest note in Nature realized 272 GENERALDIscuSsIoN just how important this i-androstanolone question was.

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