GSTP1 and facioscapulohumeral muscular dystrophy: Many of the genes that were upregulated in both FSHD myoblasts and myotubes were related to the response to cell stress, such as GSTP1, HSP90AA1 HSP90AB1 HSPA1A, HSPC152, and DNAJC4 (See Additional File 8 for gene lists).