AQP4 and myelodysplastic syndrome: This is the case for aquaporin 4 (AQP4) which was under-expressed (FC -6.2) in MDS muscle whereas it was over-expressed in MDEL muscle (FC + 2.8) and also for ANGPTL4, COL1A1, C8orf22, MYH1 and IL71D (Table 8).