When BCSCs were compared benign SCs, IL-6 was elevated 20 fold in the CD49f−CD24−(MM) population, but a range of expression was detected in CD49f+CD24+ (PP) (104 to 10−4 fold) and CD49f−CD24+(MP) (102.5 to 10−2 fold) populations. The gene discussed is ITGA6; the disease is Miyoshi myopathy.