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The feasibility, safety, and efficacy of myoblast transfer therapy (MIT) were assessed in an experimental lower body treatment (LBT) involving 32 Duchenne muscular dystrophy (DMD) boys aged 6-14 yr, half of whom were nonambulatory. Through 48 injections, five billion (55.6 x 10(6)/mL) normal myoblasts were transferred into 22 major muscles in both lower(More)
A treatment has been developed to alleviate muscle weakness in murine dystrophy. Cultured myoblasts from genetically normal mouse embryos were injected into the right soleus of 20-day-old normal or dystrophic mice. Hosts and donors were immunocompatible but exhibited different genotype markers. Donor cells produced GPl-1CC. Host cells produced GPl-1BB. When(More)
Five billion normal myoblasts were injected into each of 21 Duchenne muscular dystrophy (DMD) boys aged 6-14 yr to assess the feasibility, safety, and efficacy of the Phase II myoblast transfer therapy (MTT). The Phase II study was designed to strengthen muscles of both lower limbs. Forty-eight intramuscular injections transferred the myoblasts into 22(More)
A randomly selected extensor digitorum brevis (EDB) muscle in each of three Duchenne muscular dystrophy (DMD) boys aged 9 to 10 was injected with approximately 8 x 10(6) myoblasts. The contralateral EDBs were sham-injected with carrier solution. Donor myoblasts were derived from cell culture of muscle biopsies from the normal ward or normal brothers of the(More)
Several models and markers are available for digesta kinetic studies. In this study, kinetic estimates derived from chromium-mordanted hay or pellets were compared to estimates derived from rare earth markers (Yb, Dy, or Er) applied individually to samples. Twelve yearling rams (52 kg) were given ad libitum access to either hay or a commercial pelleted diet(More)
A new technique enables correlation of dystrophin expression with the location of donor versus host nuclei in the same sections of mdx mouse muscle injected with normal myoblasts. Myoblasts from C57BL/6J mice or from humans were labeled with 0.01% fluoro-gold (FG) in Dulbecco's Modified Eagles Medium (DMEM) for 16 h at 37 degrees C before myoblast transfer.(More)