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MUCOSAL GLUCOSAMINE SYNTHETASE-ACTIVITY IN INFLAMMATORY BOWEL-DISEASE

WINSLET, MC; POXON, V; ALLAN, A; KEIGHLEY, MRB; (1994) MUCOSAL GLUCOSAMINE SYNTHETASE-ACTIVITY IN INFLAMMATORY BOWEL-DISEASE. DIGEST DIS SCI , 39 (3) 540 - 544.

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Abstract

Abnormalities in colonic glycoprotein synthesis have been implicated in the pathogenesis of ulcerative colitis and Crohn's disease. Glucosamine synthetase is the rate-limiting step in the biosynthesis of gastrointestinal glycoprotein and has been measured in control subjects (N = 23) and patients with ulcerative colitis (N = 26) or Crohn's disease of the colon (N = 20) classified according to the macroscopic status of the rectum. Glucosamine synthetase activity was relatively constant around the normal colon but lower levels were found in the terminal ileum. In ulcerative colitis, glucosamine synthetase activity was similar to controls (24.0 +/- 1.9) mmol/g wet (wt/hr) irrespective of disease activity (quiescent: N = 13, = 27.3 +/- 1.9; active N = 16, = 26.2 +/- 2.3). Rectal glucosamine synthetase activity was normal in the presence of active Crohn's proctocolitis (29.4 +/- 3.1) but raised in patients with Crohn's colitis and rectal sparing (37.2 +/- 4.9 P < 0.02). Glucosamine synthetase activity was strongly influence by the degree of epithelial preservation.

Type:Article
Title:MUCOSAL GLUCOSAMINE SYNTHETASE-ACTIVITY IN INFLAMMATORY BOWEL-DISEASE
Keywords:INFLAMMATORY BOWEL DISEASE, CROHNS DISEASE, ULCERATIVE COLITIS, GLYCOPROTEIN, MUCUS, ULCERATIVE-COLITIS, INTESTINAL-MUCOSA, CROHNS-DISEASE, RAT, BYPASS
UCL classification:UCL > School of Life and Medical Sciences > Faculty of Medical Sciences > Surgery and Interventional Science (Division of)

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