Epidermal Growth Factor Inhibitor. Inhibitor of the mitogenic activity of epidermal growth factor (EGF). A G1 phase cell cycle inhibitor displaying antiproliferative behavior against human cell lines KB and K562 as well as antifungal activity. RM-A Ind es Cell Death Specifically in OCs in Cell Cultures. RM-A Inhibits Bone Resorption in Vitro and in Vivo.¹ Reveromycin A, an agent for osteoporosis, inhibits bone resorption by inducing apoptosis specifically in osteoclasts. Je-Tae Woo, Makoto Kawatani, et al, Mar 2006; 103: 4729 - 4734.