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Is regulation of proteolysis associated with redox-state changes in rat skeletal muscle?


ABSTRACT: In isolated rat diaphragms, only those substrates that increased the tissue NADH/NAD+ ratio lowered the rate of proteolysis. However, direct inhibition of proteinase activity by leupeptin promoted oxidation of the NAD couple of the muscles. These results suggest that changes in muscle reduction-oxidation state may be important in the regulation of proteolysis.

PROVIDER: S-EPMC1162426 | BioStudies | 1980-01-01

REPOSITORIES: biostudies

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