ARHGAP15 and neoplasm: Conversely, genes involved in cell death (Aifm3, FC = –1.9, P = 0.04) or tumor suppression (SerpinB2, FC = –35.0, P = 7 × 10–4; Arhgap15, FC = –3.6, P = 0.03; Frk, FC = –1.7, P = 0.01) were downregulated.