ABCC9 and hypertrichotic osteochondrodysplasia Cantu type: In the present work we investigated the effects of the patient-specific Cantu syndrome (CS) ABCC9 mutation SUR2[A478V] in different skeletal muscle types from SUR2wt/AV and SUR2AV/AV CS mice, in which mutation was introduced to the equivalent locus in the mouse genome [18].