DMD and Duchenne muscular dystrophy: It has been recently demonstrated that the serum levels of muscle-specific miRs (miR-1, miR-133, miR-206) are released in to the bloodstream of DMD patients [17]; increased level of miRs has also been observed in the dystrophin-deficient mouse model, as well as the canine X-linked muscular dystrophy in Japan dog model [18].