. . . . "Delta1-dihydrotestosterone binds to the androgen receptor, a nuclear receptor which binds the androgenic hormones testosterone and dihydrotestosterone. Once bound, the receptor/ligand complex localizes to the nucleus and acts as a DNA binding transcription factor, regulating gene expression. "@en . . . . . "Delta1-dihydrotestosterone is an anabolic steroid that differs from testosterone by having a 1,2-double bond instead of 4,5-double bond in its A ring. [Wikipedia]"@en . . . "1-Testo"@en . . . . . . . . "experimental"@en . . . "Delta1-dihydrotestosterone"@en . . . . . . . . "1-T"@en . . "65-06-5"@en . . . . . "17beta-hydroxy-5alpha-androst-1-en-3-one"@en . "# Friedel A, Geyer H, Kamber M, Laudenbach-Leschowsky U, Schanzer W, Thevis M, Vollmer G, Zierau O, Diel P: 17beta-hydroxy-5alpha-androst-1-en-3-one (1-testosterone) is a potent androgen with anabolic properties. Toxicol Lett. 2006 Aug 20;165(2):149-55. Epub 2006 Apr 18. \"Pubmed\":http://www.ncbi.nlm.nih.gov/pubmed/16621347 "@en . . "1-testosterone"@en . "Humans and other mammals"@en . . . "illicit"@en .