非那斯特莱会抑制头发毛囊的第二型5α还原酶（type 2 5-alpha reductase），使二氢睾固酮（Dihydrotestosterone，DHT）的浓度降低。这是由于第二型5α还原酶能够将睾固酮转换成二氢睾固酮，DHT即是掉发的元凶，因此非那斯特莱能有效减少掉发。
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...同,所分泌的某些身体的组织(像头皮的毛囊)可经由5a-还原脢(5-α reductase)作睾固酮在某些用形成双氧睾固酮(dihydrotestosterone,dht),dht号称毛囊杀手。
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epi-dihydrotestosterone 表双氢睾酮
dihydrotestosterone heptamoate 酮庚烷盐
Dihydrotestosterone- 二氢睾酮
dihydrotestosterone propionate 丙酸双氢睾酮
The contents of dihydrotestosterone (DHT) in model rats increased greatly (P<0. 01) , Xian Jia prescription can low the level of DHT.
③双氢睾酮含量：模型组大鼠血清与前列腺组织双氢睾酮含量均明显高于正常组（P＜0.01），而仙甲汤各剂量组较模型组显著下降（P＜0.01）。
参考来源 - 前列腺增生细胞信号因子表达及仙甲汤调控机制的研究As a 5α-2 reducing enzyme inhibitor, it can decrease the level of dihydrotestosterone (DHT) significantly. The inhibition of finasteride may cause serum DHT decreasing by 60%-80%, and prostatic DHT decreasing by 90% above.
它作为一种Ⅱ型5α-还原酶抑制剂,能显著降低二氢睾酮(DHT)水平。
参考来源 - 非那甾胺缀合物的合成及生物活性·2,447,543篇论文数据，部分数据来源于NoteExpress
This enzyme catalyzes one step in the conversion of testosterone to dihydrotestosterone, which is a hormone implicated in hair loss.
这种酶催化睾酮转化为双氢睾酮，这是一种激素脱发有牵连的一个步骤。
Dihydrotestosterone (often shortened to DHT) is primarily responsible for miniaturization of the hair follicles in those who suffer from genetic baldness.
双氢睾酮(简称DHT)是使得遗传脱发基因的人头发毛囊变得细软化的元凶。
Objective to observe the clinical therapeutic effect of Yifa compound treating female pattern hair loss and its effect on sera dihydrotestosterone (DHT) and dehydroepiandrosterone (DHEA) levels.
目的观察“益发”复方治疗女性型脱发临床疗效及对患者血清二氢睾酮(DHT)与脱氢表雄酮(DHEA)水平表达的影响。
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