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Characterization of mucin in whole-gut lavage fluid obtained from patients with inflammatory bowel disease

  • Intestinal Disorders, Inflammatory Bowel Disease, Immunology, And Microbiology
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Abstract

Whole-gut lavage fluid, collected by administering an electrolyte lavage solution orally, was found to be an excellent and easily collectable source of abundant mucin. Furthermore, the biochemical features of the mucin from patients with ulcerative colitis and Crohn's disease were investigated. The mucin was separated into four fractions by Sepharose CL-4B, Sepharose CL-2B, and DEAE Sephacel chromatography. Compared with healthy subjects, the total yields of mucin from ulcerative colitis patients were low due to a deficiency of neutral mucin, whereas those from Crohn's disease patients were high, which was attributable mainly to high-molecular-weight mucin. The fucose and sulfate contents were low in ulcerative colitis, but only the former was low in Crohn's disease. The different biochemical features of the mucin obtained from whole gut lavage fluid appear to reflect mucosal pathological changes associated with inflammatory bowel disease.

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Authors and Affiliations

  1. From the Department of Biochemistry and First Department of Internal Medicine, Hirosaki University School of Medicine, 5 Zaifu-cho, 036, Hirosaki, Japan

    Hiromi Saitoh MD, Keiichi Takagaki MD, Toshiya Nakamura MD, Akihiro Munakata MD, Yutaka Yoshida MD &  Masahiko Endo MD

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  1. Hiromi Saitoh MD
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  2. Keiichi Takagaki MD
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  3. Toshiya Nakamura MD
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  4. Akihiro Munakata MD
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  5. Yutaka Yoshida MD
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  6. Masahiko Endo MD
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Saitoh, H., Takagaki, K., Nakamura, T. et al. Characterization of mucin in whole-gut lavage fluid obtained from patients with inflammatory bowel disease. Digest Dis Sci 41, 1768–1774 (1996). https://doi.org/10.1007/BF02088743

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  • DOI: https://doi.org/10.1007/BF02088743

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