(C-D) Average percent methylation across 9 CpG sites within ADS3747 (C) or 10 CpG sites within ADS1454 (D) in 54-6 control (non-FSHD, Normal), 54-2 FSHD1, and MB200 FSHD2 myoblasts, as well as MB200 FSHD2 myoblasts grown for three weeks in media containing DMSO or 100 nM (+)-JQ1. The gene discussed is SMCHD1; the disease is Facioscapulohumeral dystrophy.