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Considerable evidence indicates that free radical injury may underlie the pathologic changes in muscular dystrophies from mammalian and avian species. We have investigated the role of oxidative injury in muscle necrosis in mice with a muscular dystrophy due to a defect in the dystrophin gene (the mdx strain). In order to avoid secondary consequences of(More)
Several lines of evidence suggest that free radical mediated injury and oxidative stress may lead to muscle necrosis in the muscular dystrophies, including those related to defects in the dystrophin gene. We have examined muscle cell death using an in vitro assay in which the processes that lead to myofiber necrosis in vivo may be amenable to investigation(More)
We have examined the neonatal developmental expression of protein kinase C subspecies (PKCs) in rat brain, pituitary glands and cells by enzymatic activity assays, immunohistochemistry and Western blot analysis with type-specific antibodies. A very large increase (455%) was noticed in brain PKC activity during the first week of life with the particulate(More)
This study was undertaken in order to assess the functional role of acetylcholinesterase (AChE) in cultures of chick skeletal muscle cells. Cultures of skeletal myotubes were prepared by mechanical dissociation of limb muscle removed from 11-day-old chick embryos and plating at a concentration of 0.8 X 10(6) cells/ml. Cultures incubated for 4-10 days were(More)
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