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Lancet. 1975 Apr 19;1(7912):895-7.

Cell-mediated immunity to gliadin within the small-intestinal mucosa in coeliac disease.

Abstract

In an attempt to demonstrate local cell-mediated immunity (C.M.I.) to gliadin in patients with coeliac disease, fragments of jejunal-biopsy specimens were cultured in the presence and absence of alpha-gliadin and the culture-medium was assayed for its capacity to inhibit migration of normal human peripheral-blood leucocytes (i.e., for a migration-inhibition factor [M.I.F.]). No M.I.F. activity was detected in the culture-medium when biopsy specimens from patients with coeliac disease or controls were cultured without added antigen. However, an M.I.F. was secreted into the culture-medium when biopsy specimens from patients with coeliac disease were cultured with alpha-gliadin. These findings suggest that there is a population of lymphocytes which are sensitised to gliadin in the intestinal mucosa of patients with untreated coeliac disease. They support the theory that a local C.M.I. reaction to gliadin may be the cause of villous atrophy and crypt hyperplasia in coeliac disease.

PMID:
47539
[Indexed for MEDLINE]

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