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Consumption of a Natural High-Intensity Sweetener Enhances Activity and Expression of Rabbit Intestinal Na+/Glucose Cotransporter 1 (SGLT1) and Improves Colibacillosis-Induced Enteric Disorders.


ABSTRACT: Absorption of glucose, via intestinal Na+/glucose cotransporter 1 (SGLT1), activates salt and water absorption and is an effective route for treating Escherichia coli (E. coli)-induced diarrhea. Activity and expression of SGLT1 is regulated by sensing of sugars and artificial/natural sweeteners by the intestinal sweet receptor T1R2-T1R3 expressed in enteroendocrine cells. Diarrhea, caused by the bacterial pathogen E. coli, is the most common post-weaning clinical feature in rabbits, leading to mortality. We demonstrate here that, in rabbits with experimentally E. coli-induced diarrhea, inclusion of a supplement containing stevia leaf extract (SL) in the feed decreases cumulative morbidity, improving clinical signs of disease (p < 0.01). We show that the rabbit intestine expresses T1R2-T1R3. Furthermore, intake of SL enhances activity and expression of SGLT1 and the intestinal capacity to absorb glucose (1.8-fold increase, p < 0.05). Thus, a natural plant extract sweetener can act as an effective feed additive for lessening the negative impact of enteric diseases in animals.

SUBMITTER: Moran AW 

PROVIDER: S-EPMC7007240 | biostudies-literature | 2020 Jan

REPOSITORIES: biostudies-literature

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Consumption of a Natural High-Intensity Sweetener Enhances Activity and Expression of Rabbit Intestinal Na<sup>+</sup>/Glucose Cotransporter 1 (SGLT1) and Improves Colibacillosis-Induced Enteric Disorders.

Moran Andrew W AW   Al-Rammahi Miran A MA   Daly Kristian K   Grand Emeline E   Ionescu Catherine C   Bravo David M DM   Wall Emma H EH   Shirazi-Beechey Soraya P SP  

Journal of agricultural and food chemistry 20191217 2


Absorption of glucose, via intestinal Na<sup>+</sup>/glucose cotransporter 1 (SGLT1), activates salt and water absorption and is an effective route for treating <i>Escherichia coli</i> (<i>E. coli</i>)-induced diarrhea. Activity and expression of SGLT1 is regulated by sensing of sugars and artificial/natural sweeteners by the intestinal sweet receptor T1R2-T1R3 expressed in enteroendocrine cells. Diarrhea, caused by the bacterial pathogen <i>E. coli</i>, is the most common post-weaning clinical  ...[more]

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