Effect of Glutamine on the Methotrexate Induced Gut Barrier Damage, Bacterial Translocation and Weight Changes in a Rat Model

백서에서 Methotrexate에 의하여 유발된 장관장벽손상 및 장내세균전위와 중량 변화에 대한 글루타민의 효과

  • Kim, Eun-Jeong (Department of Health Technology Planning and Evaluation Board, Korea Health Industry Developement Institute) ;
  • Kim, Jeong-Wook (Department of internal Medicine, Chungang University College of Medicine)
  • 김은정 (한국보건산업진흥원 연구사업지원본부) ;
  • 김정욱 (중앙대학교 의과대학 내과학교실)
  • Published : 2007.02.28

Abstract

The aim of this study was to examine whether administration of glutamine are able to prevent the methotrexate induced gut barrier damage, bacterial translocation, and weight changes. The animals with glutamine were fed with L-glutamine (1.2 and 2.4 mg/kg/day) for 7 days before methotrexate administration (20 mg/kg orally). 48 hour after methotrexate administration, intestinal permeability were measured for an assessment of the gut barrier dysfunction. Also, enteric aerobic bacterial counts, number of gram-negatives in mesenteric lymph node (MLN), liver spleen, kidney and heart were measured for an assessment of the enteric bacterial number and bacterial translocation. Amounts of food intake, body weight changes and organ weight changes of liver spleen, kidney and heart were measured. Methotrexate administration caused body and liver weight loss regardless amounts of food intakes. Methotrexate induced increasing intestinal permeability, enteric bacterial undergrowth and bacterial translocation to MLN, liver and spleen, but not kidney and heart. The supplements with glutamine reduced the intestinal permeability bacterial translocation, and not influences enteric bacterial number, and body and liver weight changes. This study suggested that glutamine might effectively reduce methotrexate induced intestinal damage and bacterial translocation, but not influence body and organ weight loss.

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