表雄酮

表雄酮（）或称为异雄酮（）是一种甾体激素，拥有较弱的雄激素活性，是睾酮和双氢睾酮（DHT）的代謝產物，在1931年由阿道夫·布特南特和库尔特·切尔宁首次分离。他们蒸馏了17000升的男性尿液，从中得到50毫克的雄酮结晶（很可能是混合了的α/β异构体），并发现其和雌酮有着相似的化学结构。

大部分哺乳动物包括猪都能合成表雄酮Raeside JI, Renaud RL, Marshall DE. Identification of 5 alpha-androstane-3 beta,17 beta-diol and 3 beta-hydroxy-5 alpha-androstan-17-one sulfates as quantitatively significant secretory products of porcine Leydig cells and their presence in testicular venous blood. J Steroid Biochem Mol Biol. 42(1):113-20, 1992，在体内可由5α還原酶催化肾上腺激素DHEA而来Callies F, Arlt W, Siekmann L, Hübler D, Bidlingmaier F, Allolio B. Influence of oral dehydroepiandrosterone (DHEA) on urinary steroid metabolites in males and females. Steroids. 65(2):98-102, 2000Labrie F, Cusan L, Gomez JL, Martel C, Bérubé R, Bélanger P, Chaussade V, Deloche C, Leclaire J. Changes in serum DHEA and eleven of its metabolites during 12-month percutaneous administration of DHEA. J Steroid Biochem Mol Biol. 2008 May;110(1-2):1-9Daniël Henri van de Kerkhof. Steroid profiling in doping analysis. [S.l.] : [s.n.], 2001 - Tekst. - Proefschrift Universiteit UtrechtAcacio BD, Stanczyk FZ, Mullin P, Saadat P, Jafarian N, Sokol RZ. Pharmacokinetics of dehydroepiandrosterone and its metabolites after long-term daily oral administration to healthy young men. Fertil Steril. Mar;81(3):595-604, 2004，另外也可由3β-雄烷二醇经17β-羟基类固醇脱氢酶催化或雄烷二酮经3β-羟基类固醇脱氢酶催化而来。

 参见 

 3β-雄烷二醇
 雄甾烯醇
 雄甾烯酮
 雌甾四烯

参考文献

Category:激素
Category:哺乳动物激素