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PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
3
pubmed:dateCreated
2003-3-11
pubmed:abstractText
Autoimmune thyroiditis (AITD) is a common disorder characterized by circulating antibodies to epitopes of thyroid tissue and hypothyroidism (Hashimoto's thyroiditis or AITD-hypothyroidism), although many subjects with AITD are euthyroid. Current evidence suggests that AITD is familial and polygenic. We studied AITD in a homogeneous founder Caucasian population, the Old Order Amish of Lancaster County, Pennsylvania. We found autoimmune thyroiditis, defined by the presence of circulating antimicrosomal antibodies, to be relatively common in the Amish, with a prevalence of 22.7%. The prevalence of AITD-hypothyroidism was 9.2%. We performed a genome-wide linkage analysis with 373 short tandem repeat markers in 445 subjects from 29 families. We observed suggestive evidence of linkage of AITD to a locus on chromosome 5q11.2-q14.3 (LOD, 2.30; P = 0.0006 at 94 cM; closest marker, D5S428), a region that was previously reported to be linked to AITD-hypothyroidism in a Japanese study. AITD-hypothyroidism showed a more modest linkage peak to the same region (LOD, 1.46; P = 0.005). Possible linkage (nominal P < 0.01) to autoimmune thyroiditis and/or AITD-hypothyroidism was also detected in five other regions. We conclude that a gene on chromosome 5q11.2-q14.3 is likely to contribute to susceptibility to AITD in the Amish.
pubmed:grant
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
AIM
pubmed:status
MEDLINE
pubmed:month
Mar
pubmed:issn
0021-972X
pubmed:author
pubmed:issnType
Print
pubmed:volume
88
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
1292-6
pubmed:dateRevised
2010-11-18
pubmed:meshHeading
pubmed:year
2003
pubmed:articleTitle
A genome-wide scan for autoimmune thyroiditis in the Old Order Amish: replication of genetic linkage on chromosome 5q11.2-q14.3.
pubmed:affiliation
Division of Endocrinology, Diabetes, and Nutrition, University of Maryland School of Medicine, Baltimore, Maryland 21201, USA.
pubmed:publicationType
Journal Article, Research Support, U.S. Gov't, P.H.S., Research Support, U.S. Gov't, Non-P.H.S.