DMD and Duchenne muscular dystrophy: We identified SNP rs721699 in the Duchenne muscular dystrophy gene Dystrophin (DMD) [OMIM:300377] in the overall test and SNPs rs9887672, rs10218388 and rs5962575 in the IL-1 receptor accessory protein-like 2 (IL1RAPL2) gene [OMIM:300277] in the male test.