A Role of a Lymphocyte Tryptase, Granzyme A, in Experimental Ulcerative Colitis

  • HIRAYASU Hirofumi
    Laboratory of Nutrition Chemistry, Division of Food Science and Biotechnology, Graduate School of Agriculture, Kyoto University
  • YOSHIKAWA Yumiko
    Laboratory of Nutrition Chemistry, Division of Food Science and Biotechnology, Graduate School of Agriculture, Kyoto University
  • TSUZUKI Satoshi
    Laboratory of Nutrition Chemistry, Division of Food Science and Biotechnology, Graduate School of Agriculture, Kyoto University
  • FUSHIKI Tohru
    Laboratory of Nutrition Chemistry, Division of Food Science and Biotechnology, Graduate School of Agriculture, Kyoto University

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  • Role of a Lymphocyte Tryptase Granzyme A in Experimental Ulcerative Colitis

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Abstract

In the large-intestinal mucosae of rats orally administered dextran sulfate sodium, which induces an enteritis resembling ulcerative colitis (UC), the activity for granzyme A, a lymphocyte tryptase, increased at an earlier stage than that at which UC markers (growth-regulated gene product/cytokine-induced neutrophil chemoattractant-1 and caspase-3) increased. This suggests involvement of the enzyme in the exacerbation and perpetuation of enteritis.

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