Of note, neither SphK2 mRNA (Figure S2C, left panel) nor SGPL1 mRNA (Figure S2D) levels were altered by GFI1 overexpression in MM.1S (p53 WT), H929 (p53 WT) or KMS-11 (p53 null) MM cells. The gene discussed is GFI1; the disease is Miyoshi myopathy.