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Degradation of sucrase-isomaltase in the ileum of jejunum-bypassed rats.


ABSTRACT: At 3 weeks after jejunal-bypass operation in the rat, the proximal ileum exhibited a greater sucrase specific activity than did sham-operated controls, whereas isomaltase activity was unaffected. Electroimmunoassay of sucrase-isomaltase and a degradation product, isomaltase monomer, revealed an elevated molar ratio of sucrase subunit to isomaltase subunit in operated rats, suggesting a decrease in the extent of degradation of ileal sucrase-isomaltase after the jejunal-bypass operation.

SUBMITTER: Shinohara H 

PROVIDER: S-EPMC1151129 | biostudies-other | 1991 Jun

REPOSITORIES: biostudies-other

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