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Gm typing of Irish coeliac patients and controls does not help locate the "second" coeliac gene
M Hannigan1, M Bourke, F M Stevens
1University Department of Medicine, University College Hospital, Galway, Ireland.
Irish Journal of Medical Science
|February 1, 1991
Abstract:
A two gene model has been proposed to explain the inheritance of coeliac disease (CD). One gene is on chromosome 6 in the MHC complex (HLA associated). It has been suggested the second gene is located on chromosome 14, in or near the region encoding for immunoglobulin heavy chain allotypes (Gm types). In a study of 102 unrelated Irish coeliacs and a group of ethnic controls, we have failed to show an association of CD with any particular Gm type or types. There is no evidence to confirm that a gene on chromosome 14 is implicated in the inheritance of CD.