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The androgen receptor (AR) belongs to the steroid hormone group nuclear receptor family with the estrogen, progesterone, glucocorticoid and mineralcorticoid receptor. AR mediate the actions of testosterone (T) and a more biologically active form, 5α-dihydrotestosterone (DHT), which are the male sex hormones required for development of the male reproductive system and secondary sexual characteristics. This receptor, located on the X chromosome, is expressed in a diverse range of tissues, because they have significant biological actions in many systems [1]. There are other androgens that bind with much less potency than T and DHT such as androstenedione, androstenediol, and dehydroepiandrosterone (DHEA) [2].

Structure

AR

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  1. ↑ Davey RA, Grossmann M. Androgen Receptor Structure, Function and Biology: From Bench to Bedside. Clin Biochem Rev. 2016 Feb;37(1):3-15. PMID:27057074
  2. ↑ Kolyvas EA, Caldas C, Kelly K, Ahmad SS. Androgen receptor function and targeted therapeutics across breast cancer subtypes. Breast Cancer Res. 2022 Nov 14;24(1):79. doi: 10.1186/s13058-022-01574-4. PMID:36376977 doi:https://dx.doi.org/10.1186/s13058-022-01574-4