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  • Title: [The enzyme-transport characteristics of the small intestine of rats during aging].
    Author: Ugolev AM, Egorova VV, Iezuitova NN, Timofeeva NM, Gromova LV, Zaripov BZ.
    Journal: Fiziol Zh SSSR Im I M Sechenova; 1992 Aug; 78(8):29-37. PubMed ID: 1335923.
    Abstract:
    Ageing was shown to be accompanied by changes of the activity levels of the small intestine's carbohydrases, dipeptidases, and alkaline phosphatases. The changes occurred both under normal conditions and after operations on the small intestine. In ageing, the small intestine's capacity for the homeomorphosis decreases irrespective of either increase or decrease in the functional loading. The age involution of the gastrointestinal tract is followed by disturbances not only in hydrolytic processes but in transport those as well: particularly deceleration of glucose accumulation in preparations of the rat intestine mucose. Regulatory properties of some enzymes were changed, too, in old rats.
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