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Int J Biochem. 1988;20(11):1227-30.

Calpain and calpastatin levels in dystrophic hamster skeletal muscles.

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  • 1Department of Chemistry, Ohio University, Athens 45701.


1. Two fast-twitch skeletal muscles from normal and dystrophic hamsters were analysed for their calpain and calpastatin contents. 2. Assays of wide-specificity calpain II showed that the activity levels in the two muscles were increased 1.5 and 1.6 times in dystrophic animals. 3. Analysis of calpastatin levels showed that the respective dystrophic muscles had activity levels of 2.2 and 2.8 times those of control muscles. 4. These results contrast with previous studies on denervated hamster muscles which showed that denervation causes an increase in calpain levels but a decrease in calpastatin levels.

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