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Review
. 2006 Jun 21;12(23):3668-72.
doi: 10.3748/wjg.v12.i23.3668.

Family and twin studies in inflammatory bowel disease

Leena Halme  1 , Paulina Paavola-Sakki, Ulla Turunen, Maarit Lappalainen, Martti Farkkila, Kimmo Kontula
Affiliations
Review

Family and twin studies in inflammatory bowel disease

Leena Halme et al. World J Gastroenterol. .

Abstract

Studies examining the inheritance of inflammatory bowel disease (IBD) within different family groups have been the basis for recent molecular advances in the genetics of IBD. The derived heritability in Crohn's disease (CD) is higher than in many other complex diseases. The risk of IBD is highest in first-degree relatives of a CD proband, but first-degree relatives of a proband suffering from ulcerative colitis (UC) and more distant relatives are also at increased risk. Disease concordance rates in IBD have been examined in multiplex families and in three large European twin studies.

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