ArticleZhongguo dang dai er ke za zhi = Chinese journal of contemporary pediatrics2019
[Effect of glutamine-supplemented enteral nutrition on the apoptosis of colonic mucosal cells in young rats with inflammatory bowl disease].
Article in Zhongguo dang dai er ke za zhi = Chinese journal of contemporary pediatrics, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
objectiveTo study the effect of glutamine-supplemented enteral nutrition in regulating the apoptosis of intestinal mucosal cells and promoting mucosal healing in young rats with inflammatory bowl disease (IBD).
methodsA total of 80 male Sprague-Dawley rats aged 4-5 weeks were randomly divided into 4 groups: blank control, IBD model, short peptide, and short peptide+glutamine (n=20 each). The IBD model was prepared by a single colon perfusion of 3-nitrobenzene sulfonic acid. At 3 days after modeling, the rats in the short peptide group were fed with short peptide formula (100 mL/kg), and those in the short peptide+glutamine group were fed with short peptide formula (100 mL/kg) and glutamine (0.5 g/kg). The course of intervention was 1 week. General conditions were observed after the experiment and their intestinal mucosal tissue was obtained. Hematoxylin-eosin staining was used to observe the pathological change of the intestinal mucosa. RT-PCR was used to measure the expression of apoptosis-regulating genes (bax and bc1-2) and apoptotic signal transduction factors (Caspase-3 and Caspase-9) in the intestinal mucosa. Western blot was used to measure the expression of insulin-like growth factor-1 (IGF-1) in the colonic mucosa.
resultsThe IBD model group had poorer general conditions than the other three groups (blank control, short peptide and short peptide+glutamine), and the short peptide+glutamine group had better general conditions than the IBD model and short peptide groups. The IBD model group had significantly higher mRNA expression of bax than the other three groups (P<0.05). There was no significant difference in the mRNA expression of bcl-2, Caspase-3 and Caspase-9 among the 4 groups (P>0.05). The short peptide group had a significantly higher level of IGF-1 than the short peptide+glutamine, blank control and IBD model groups (P<0.05).
conclusionsGlutamine-supplemented enteral nutrition can effectively improve the general nutritional status of young rats with IBD, but it is not better than exclusive enteral nutrition in inhibiting the apoptosis of colonic mucosal cells and stimulating the synthesis of IGF-1 in the intestinal mucosa.
Indexed as
Identifiers
30675870PMC7390171W3000900591What OpenQuestion holds
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