14 dpc male mouse UGS explants were grown for 7 days in media containing androgen (10nM, dihydrotestosterone, DHT) and vehicle alone (0.1%DMSO) or vehicle containing trichostatin A (100nM TSA). (A–D) Real time quantitative PCR (QPCR) was used to determine relative transcript abundance of Bmp2, Bmp4, Bmp6 and Bmp7. (E–F) Chromatin immunoprecipitation (ChIP) was used to determine histone H3 lysine 27 acetylation (H3K27ac) at the Bmp2 and Bmp4 promoter region. Results are mean ± SEM. Asterisk indicates significant differences from control p ≤ 0.05, n=5 per group.