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http://purl.uniprot.org/citations/16116311http://www.w3.org/1999/02/22-rdf-syntax-ns#typehttp://purl.uniprot.org/core/Journal_Citation
http://purl.uniprot.org/citations/16116311http://www.w3.org/2000/01/rdf-schema#comment"

Background

The most consistently described associations in ulcerative colitis (UC) have been with human leukocyte antigen (HLA) class II alleles. Our aim was to look for associations among distinct genetic polymorphisms in the major histocompatibility complex (MHC) that might play a role in determining the susceptibility to UC and especially to the extensive form of the disease.

Methods

A case-control study was performed with a total of 253 patients with UC and 315 healthy controls recruited from a single Spanish center. All the samples and 4 cell lines carrying DRB1*0103 or DRB1*1501 alleles were typed for the HLA-DRB1 class II gene and for a panel of HLA class III markers (D6S273, BAT_2, TNFa, b, c, d, e, IKBL+738, MICA).

Results

The frequency of the alleles DRB1*0103, IKBL+738(C) (extending our previous results) and BAT_2-8 (newly typed) was increased in patients compared with controls (P=0.00001, odds ratio [OR]=5.90; P=0.002, OR=2.42; and P=0.0001, OR=3.04, respectively), and these associations were greatest in patients with extensive disease compared with patients with distal disease (P=0.02, OR=2.53; P=0.002, OR=3.06; and P=0.03, OR=2.08, respectively). The allelic combination DRB1*0103/D6S273-5/BAT_2-8/TNFa11b4c1d3e3/IKBL+738(C)/MICA5.1 that includes the telomeric class III markers of the 7.1 ancestral haplotype is highly increased in patients with UC (P=0.0001, OR=10.57), especially in those with the extensive form of the disease (P=0.02, OR=3.41 extensive versus distal).

Conclusions

The above-mentioned pattern, most likely formed by recombination of the telomeric fragment of the MHC 7.1 ancestral haplotype, seems to be the most important genetic determinant of susceptibility to the extensive form of UC in our population."xsd:string
http://purl.uniprot.org/citations/16116311http://purl.org/dc/terms/identifier"doi:10.1097/01.mib.0000179210.96025.23"xsd:string
http://purl.uniprot.org/citations/16116311http://purl.uniprot.org/core/author"Martinez A."xsd:string
http://purl.uniprot.org/citations/16116311http://purl.uniprot.org/core/author"Nunez C."xsd:string
http://purl.uniprot.org/citations/16116311http://purl.uniprot.org/core/author"Mendoza J.L."xsd:string
http://purl.uniprot.org/citations/16116311http://purl.uniprot.org/core/author"Fernandez L."xsd:string
http://purl.uniprot.org/citations/16116311http://purl.uniprot.org/core/author"Urcelay E."xsd:string
http://purl.uniprot.org/citations/16116311http://purl.uniprot.org/core/author"de la Concha E.G."xsd:string
http://purl.uniprot.org/citations/16116311http://purl.uniprot.org/core/author"Taxonera C."xsd:string
http://purl.uniprot.org/citations/16116311http://purl.uniprot.org/core/author"Fernandez-Arquero M."xsd:string
http://purl.uniprot.org/citations/16116311http://purl.uniprot.org/core/author"Diaz-Rubio M."xsd:string
http://purl.uniprot.org/citations/16116311http://purl.uniprot.org/core/date"2005"xsd:gYear
http://purl.uniprot.org/citations/16116311http://purl.uniprot.org/core/name"Inflamm Bowel Dis"xsd:string
http://purl.uniprot.org/citations/16116311http://purl.uniprot.org/core/pages"785-791"xsd:string
http://purl.uniprot.org/citations/16116311http://purl.uniprot.org/core/title"A recombined haplotype in the major histocompatibility region contains a cluster of genes conferring high susceptibility to ulcerative colitis in the Spanish population."xsd:string
http://purl.uniprot.org/citations/16116311http://purl.uniprot.org/core/volume"11"xsd:string
http://purl.uniprot.org/citations/16116311http://www.w3.org/2004/02/skos/core#exactMatchhttp://purl.uniprot.org/pubmed/16116311
http://purl.uniprot.org/citations/16116311http://xmlns.com/foaf/0.1/primaryTopicOfhttps://pubmed.ncbi.nlm.nih.gov/16116311
http://purl.uniprot.org/uniprot/#_A0A0A7C3H3-mappedCitation-16116311http://www.w3.org/1999/02/22-rdf-syntax-ns#objecthttp://purl.uniprot.org/citations/16116311
http://purl.uniprot.org/uniprot/#_A0A0A7C3I1-mappedCitation-16116311http://www.w3.org/1999/02/22-rdf-syntax-ns#objecthttp://purl.uniprot.org/citations/16116311
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http://purl.uniprot.org/uniprot/#_A0A0E3DD60-mappedCitation-16116311http://www.w3.org/1999/02/22-rdf-syntax-ns#objecthttp://purl.uniprot.org/citations/16116311
http://purl.uniprot.org/uniprot/#_A0A0E3DD66-mappedCitation-16116311http://www.w3.org/1999/02/22-rdf-syntax-ns#objecthttp://purl.uniprot.org/citations/16116311