Effect of glutamine on small intestinal repair in weanling rats after chronic diarrhea

OBJECTIVE: To investigate the nutrient effect of glutamine on small intestinal repair in weanling rats after chronic diarrhea

Bibliographische Detailangaben
Veröffentlicht in:Zhonghua er ke za zhi = Chinese journal of pediatrics. - 1960. - 43(2005), 5 vom: 30. Mai, Seite 368-72
1. Verfasser: Huang, Zu-xiong (VerfasserIn)
Weitere Verfasser: Ye, Li-yan, Zheng, Zhi-yong, Chen, Xin-min, Ren, Rong-na, Tong, Guo-yuan
Format: Aufsatz
Sprache:Chinese
Veröffentlicht: 2005
Zugriff auf das übergeordnete Werk:Zhonghua er ke za zhi = Chinese journal of pediatrics
Schlagworte:English Abstract Journal Article Proliferating Cell Nuclear Antigen Glutamine 0RH81L854J
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245 1 0 |a Effect of glutamine on small intestinal repair in weanling rats after chronic diarrhea 
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500 |a Date Completed 04.05.2010 
500 |a Date Revised 07.06.2016 
500 |a published: Print 
500 |a Citation Status MEDLINE 
520 |a OBJECTIVE: To investigate the nutrient effect of glutamine on small intestinal repair in weanling rats after chronic diarrhea 
520 |a METHODS: Forty 21-day-old wistar rats were randomly divided into five groups (8 in each). Animal model of chronic diarrhea was induced by a lactose enriched diet in the weanling Wistar rat, normal control group was fed with a standard semipurified diet, and after 14 days the rats in both groups were killed to test the establishment of the model. After the establishment of the model, the other groups were fed with the standard semipurified diet to recover for 7 days, and were randomly divided into three groups: non-intervention group, glutamine (Gln)-intervention group and control group. Glutamine concentrations in blood was detected by high-performance liquid chromatography (HPLC). Morphological changes including villus height and villus surface area of the jejunum were measured under a light microscope and electron microscope, expression of proliferating cell nuclear antigen (PCNA) as an index of cell proliferation was observed using immunohistochemical staining and image analysis 
520 |a RESULTS: The diarrhea rate in model group was 100 percent, average diarrhea index was 1.16 +/- 0.06, but both diarrhea rate and average diarrhea index in control group were 0 (P < 0.01), which affirmed establishment of the model. There was significant decrease of body weight, plasma Gln concentration, villus height, villus surface area and expression of PCNA in non-intervened group compared with the control group (P < 0.01). There was still significant decrease of body weight, villus height and villus surface area in Gln-intervened group compared with control group (P < 0.01), but plasma Gln concentration and expression of PCNA in Gln-intervened group had recovered to normal (P > 0.05). And compared with non-intervened group, except for body weight (P > 0.05), plasma glutamine, villus height, villus surface area and expression of PCNA were all significantly increased in Gln-intervened group 
520 |a CONCLUSION: Chronic diarrhea can induce malnutrition and reduce the villus height, villus surface area, expression of PCNA and plasm glutamine concentration. Oral glutamine could improve the proliferation of crypt cell and promote repair of intestinal mucosa after chronic diarrhea 
650 4 |a English Abstract 
650 4 |a Journal Article 
650 7 |a Proliferating Cell Nuclear Antigen  |2 NLM 
650 7 |a Glutamine  |2 NLM 
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700 1 |a Ye, Li-yan  |e verfasserin  |4 aut 
700 1 |a Zheng, Zhi-yong  |e verfasserin  |4 aut 
700 1 |a Chen, Xin-min  |e verfasserin  |4 aut 
700 1 |a Ren, Rong-na  |e verfasserin  |4 aut 
700 1 |a Tong, Guo-yuan  |e verfasserin  |4 aut 
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