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  • 标题:Effect of Indigestible Saccharides on B Lymphocyte Response of Intestinal Mucosa and Cecal Fermentation in Rats
  • 本地全文:下载
  • 作者:Keita KUDOH ; Jun SHIMIZU ; Masahiro WADA
  • 期刊名称:Journal of Nutritional Science and Vitaminology
  • 印刷版ISSN:0301-4800
  • 电子版ISSN:1881-7742
  • 出版年度:1998
  • 卷号:44
  • 期号:1
  • 页码:103-112
  • DOI:10.3177/jnsv.44.103
  • 出版社:Center for Academic Publications Japan
  • 摘要:The effects of water-soluble and -insoluble indigestible saccharides (IDS) on immune responses of the intestinal tract were studied. Male 4-week-old Sprague Dawley rats were fed for three weeks on diets containing several kinds of IDS at 5%. The results revealed that the proportion of is-light chain and IgA-presenting lymphocytes in small intestinal and cecal mucosa differed in increased number depending on the type of IDS. The response of colonic mucosa was not pronounced. The amounts of short-chain fatty acid (SOFA) and lactic acid in the cecal contents of the other test groups except the celfur group tended to be higher than those in the cellulose group, particularly in the lactulose group where many acids showed significant increases. The correlation between the proportion of k -light chain and IgA-presenting lymphocytes in the cecal mucosa and lactic acid in the cecal contents was significant, but that between the proportion of both lymphocytes and SCFA was not. Based on the above, we concluded that the oral administration of IDS induces the proliferation of k -light chain and IgA-producing B lymphocytes in small intestinal and cecal mucosa, but the degree of response differs depending on the type of IDS. It is thus suggested that IDS are involved in the intestinal immune system of rats.
  • 关键词:indigestible saccharides;short-chain fatty acids;IgA-presenting lymphocytes;k-light chain;intestinal immune system
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