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http://purl.uniprot.org/citations/11796403http://www.w3.org/1999/02/22-rdf-syntax-ns#typehttp://purl.uniprot.org/core/Journal_Citation
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Background

Behçet's disease is known to be strongly associated with HLA-B51 in many different ethnic groups. Recently, it was suggested that MIC-A (major histocompatibility complex class I related gene A) is the pathogenic gene after strong association was found between the MIC-A A6 allele of the transmembrane region and the disease in Japanese and Greek patients, although in Greek patients this association was found to be due to linkage disequilibrium with HLA-B51.

Objectives

To investigate microsatellite polymorphism in Arab and non-Ashkenazi Jewish (NAJ) patients in Israel, to determine whether this association occurs in these groups with Behçet's disease, and elucidate the associated HLA allele of the disease.

Methods

Forty four Israeli patients with Behçet's disease, including 20 Arabs and 24 NAJ, and 130 ethnically matched healthy controls were examined for MIC-A microsatellite polymorphism of the transmembrane region using polymerase chain reaction, autoradiography, and sequence analysis.

Results

The MIC-A A6 allele was significantly more frequent in the Arab patient group (19/20 (95%)) than in healthy Arab controls (25/42 (60%)) (p(corr)=0.015, OR=12.92), but not in the NAJ patients (16/24 (67%)) compared with NAJ healthy controls (48 /88 (55%)) (p(corr)=1.02, OR=1.667). In stratification analysis of the Arab subgroup, on the confounding effect of MIC-A A6 on HLA-B51 association and vice versa, Behçet's disease was distinctly associated only with HLA-B51.

Conclusions

These results imply strong association between the MIC-A A6 allele and the disease in Israeli Arabs, but not in Israeli NAJ patients. The stratification analysis indicates that this association results secondarily from a strong linkage disequilibrium with HLA-B51, and the real disease susceptibility gene which plays a part in the development of Behçet's disease is most probably the HLA-B51 allele itself."xsd:string
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http://purl.uniprot.org/citations/11796403http://purl.uniprot.org/core/author"Metzger S."xsd:string
http://purl.uniprot.org/citations/11796403http://purl.uniprot.org/core/author"Cohen R."xsd:string
http://purl.uniprot.org/citations/11796403http://purl.uniprot.org/core/author"Chajek-Shaul T."xsd:string
http://purl.uniprot.org/citations/11796403http://purl.uniprot.org/core/author"Nahir M."xsd:string
http://purl.uniprot.org/citations/11796403http://purl.uniprot.org/core/date"2002"xsd:gYear
http://purl.uniprot.org/citations/11796403http://purl.uniprot.org/core/name"Ann Rheum Dis"xsd:string
http://purl.uniprot.org/citations/11796403http://purl.uniprot.org/core/pages"157-160"xsd:string
http://purl.uniprot.org/citations/11796403http://purl.uniprot.org/core/title"Association of the MIC-A gene and HLA-B51 with Behcet's disease in Arabs and non-Ashkenazi Jews in Israel."xsd:string
http://purl.uniprot.org/citations/11796403http://purl.uniprot.org/core/volume"61"xsd:string
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