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Alterations of lipid composition in a dystrophic muscle cell line
Abstract:
The composition of neutral lipids and phospholipids was determined in normal (Cb7) and dystrophic (DyA4) cell lines, derived from cloned satellite cells from control and dystrophic C57BL/6J/dydy mice. The results obtained showed that dystrophic cells contain a higher relative distribution of phospholipids than their normal counterparts. Moreover, the distribution of individual phospholipids differs between normal and dystrophic cells, with increased percentage of acidic phospholipids and reduced proportion of phosphatidylcholine in dystrophic cells. Cholesterol was increased but free fatty acids decreased in dystrophic cells. The possible pathogenetic significance and functional consequences of these abnormalities are discussed.
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