SRD5A2

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SpeciesHumanMouse
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3-oxo-5α-steroid 4-dehydrogenase 2 is an enzyme that in humans is encoded by the SRD5A2 gene.[1][2] It is one of three forms of 5α-reductase.

Steroid 5α-reductase catalyzes the conversion of the male sex hormone testosterone into the more potent androgen, dihydrotestosterone.

This gene encodes a microsomal protein expressed at high levels in androgen-sensitive tissues such as the prostate. The encoded protein is active at acidic pH and is sensitive to the 4-azasteroid inhibitor finasteride. Deficiencies in this gene can result in male pseudohermaphroditism, specifically pseudovaginal perineoscrotal hypospadias (PPSH).[2]

See also

References

  1. Thigpen AE, Davis DL, Milatovich A, Mendonca BB, Imperato-McGinley J, Griffin JE, Francke U, Wilson JD, Russell DW (Oct 1992). "Molecular genetics of steroid 5 alpha-reductase 2 deficiency". J Clin Invest. 90 (3): 799–809. doi:10.1172/JCI115954. PMC 329933. PMID 1522235.
  2. 2.0 2.1 "Entrez Gene: SRD5A2 steroid-5-alpha-reductase, alpha polypeptide 2 (3-oxo-5 alpha-steroid delta 4-dehydrogenase alpha 2)".

Further reading

This article incorporates text from the United States National Library of Medicine, which is in the public domain.




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