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- 3α-Dihydroprogesterone (3α-DHP), also known as 3α-hydroxyprogesterone, as well as pregn-4-en-3α-ol-20-one, is an endogenous neurosteroid. It is biosynthesized by 3α-hydroxysteroid dehydrogenase from progesterone. 3α-DHP has been found to act as a positive allosteric modulator of the GABAA receptor and is described as being as active as allopregnanolone in regard to this action. In accordance, it has anxiolytic effects in animals. 3α-DHP has also been found to inhibit the secretion of follicle-stimulating hormone (FSH) from the rat pituitary gland, demonstrating possible antigonadotropic properties. Unlike the case of most other inhibitory neurosteroids, 3α-DHP production is not blocked by 5α-reductase inhibitors like finasteride. No data were available on the progestogenic activity of 3α-DHP as of 1977. Levels of 5α-DHP have been quantified. (en)
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- 3α-Dihydroprogesterone (en)
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| dbo:iupacName
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- 1-[(1S,3aS,3bS,7R,9aR,9bS,11aS)-7-Hydroxy-9a,11a-dimethyl-2,3,3a,3b,4,5,7,8,9,9a,9b,10,11,11a-tetradecahydro-1H-cyclopenta[a]phenanthren-1-yl]ethan-1-one (en)
- 3α-Hydroxy-4-pregnen-20-one (en)
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- 3α-Dihydroprogesterone (3α-DHP), also known as 3α-hydroxyprogesterone, as well as pregn-4-en-3α-ol-20-one, is an endogenous neurosteroid. It is biosynthesized by 3α-hydroxysteroid dehydrogenase from progesterone. 3α-DHP has been found to act as a positive allosteric modulator of the GABAA receptor and is described as being as active as allopregnanolone in regard to this action. In accordance, it has anxiolytic effects in animals. 3α-DHP has also been found to inhibit the secretion of follicle-stimulating hormone (FSH) from the rat pituitary gland, demonstrating possible antigonadotropic properties. Unlike the case of most other inhibitory neurosteroids, 3α-DHP production is not blocked by 5α-reductase inhibitors like finasteride. No data were available on the progestogenic activity of 3α-D (en)
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- 3α-Dihydroprogesterone (en)
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