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Review
. 2005 Apr 15;51(2):46-51.
doi: 10.14341/probl200551246-51.

[Dehydroepiandrosterone: physiological role and possibilities of use as a drug]

[Article in Russian]
Affiliations
Review

[Dehydroepiandrosterone: physiological role and possibilities of use as a drug]

[Article in Russian]
P V Rozhivanov et al. Probl Endokrinol (Mosk). .

Abstract

Dehydroepiandrosterone (DHEA) is one of the important androgens synthesized by the adrenal cortex from 17-hydroxypregnenolone. In the mesh zone of the adrenal cortex, with the participation of enzymes 17, 20-desmolase and 17-a-hydroxylase, the cholesterol is sequentially converted through 17-hydroxypregnenolone (17-OH-pregnenolone) to DHEA. It has been proven that the adrenal glands are mainly involved in the synthesis of DHEA (70%) and its less active metabolite, dehydroepiandrosterone sulfate (DHEA-S) (85%). Only 10% DHEA is synthesized in the gonads. There is evidence of the formation of DHEA in the central nervous system, where enzyme systems (P450c17) are detected in astrocytes and neurons that synthesize DHEA from pregnenolone.

Дегидроэпиандростерон (ДГЭА) — один из важных андрогенов, синтезируемых корой надпочечников из 17-гидроксипрегненолона. В сетчатой зоне коры надпочечников при участии ферментов 17, 20-десмолазы и 17-а-гидроксилазы происходит последовательное превращение холестерина через 17- гидроксипрегненолон (17-ОН-прегненолон) в ДГЭА. Доказано, что надпочечники принимают основное участие в синтезе ДГЭА (70%) и его менее активного метаболита — дегидроэпиандростерона сульфата (ДГЭА-С) (85%). Только 10% ДГЭА синтезируется в половых железах. Имеются данные об образовании ДГЭА в центральной нервной системе, где в астроцитах и нейронах обнаружены ферментные системы (Р450с17), осуществляющие синтез ДГЭА из прегненолона.

Keywords: Dehydroepiandrosterone; dehydroepiandrosterone sulfate; pregnenolone; steroids.

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