Cell lines with high passage numbers exhibit alterations in cell morphology and *** thepresent work,C2C12 skeletal muscle cells with either low(60)passage numbers(identified as l-C2C12 or h-C2C12,respectively)were use...
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Cell lines with high passage numbers exhibit alterations in cell morphology and *** thepresent work,C2C12 skeletal muscle cells with either low(60)passage numbers(identified as l-C2C12 or h-C2C12,respectively)were used to investigate the apoptotic response to H2O2 as a function ofculture age *** found that older cultures(h-C2C12 group)were depleted of mitochondrial DNA(mtDNA).When we analyzed the behavior of Bad,Bax,caspase-3 and mitochondrial transmembrane potential,we observed that cells in the h-C2C12 group were resistant to H2O2 induction of *** propose seriallycultured C2C12 cells as a refractory model to H2O2-induced *** addition,the data obtained in thiswork suggest that mtDNA is required for apoptotic cell death in skeletal muscle C2C12 cells.
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