C2 and Duchenne muscular dystrophy: Cells derived from the skeletal muscle of a DMD patient6 were transduced with lentivirus coding for mini-dystrophin constructs SFFV-C1-GFP, hDesmin-C1-GFP, SFFV-C2-GFP, and hDesmin-C2-GFP using an MOI of 10 (according to the proviral copy number).