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PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
2
pubmed:dateCreated
1990-5-14
pubmed:abstractText
The association of Crohn's disease (CD) with the HLA system was investigated in Japanese patients by serological and genomic methods. HLA antigens were typed in 30 unrelated Japanese patients with CD and 54 healthy controls. The frequencies of HLA-DR4, DRw53 and DQw3 antigens were increased in CD (76.7, 86.7 and 80.0%) compared with controls [37.0%, p corrected (pc) = 0.007; 52.9%, pc = 0.001; 52.0%, pc = 0.009]. DQw7 and DQw8 antigens, the new split antigens of DQw3 produced by the TA10 antibody and linked to the DR4 and DRw53 antigens, were not significantly different in the DQw3-positive CD and controls. Class I antigens were not significantly different in the CD and controls. HLA-DR-B and DQ-B probes were used to study PstI-generated restriction fragment length polymorphism (RFLP) in CD and controls. The DRw53-specific PstI DR-B 2.6-kb fragment was increased in CD (88.0%) compared with controls (37.5%, pc = 5.6 X 10(-4)). The PstI DR-B 3.2-kb fragment was also increased in CD (80.0%) compared with controls (35.0%, pc = 5.6 X 10(-3)). It is reasonable to infer that the DRw53 is the most important susceptibility antigen in Japanese CD. The subtypes of the DR4 were determined by the hybridization of the DQ-B probe. The DQ-B PstI fragment patterns were not different in CD and controls.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:issn
0254-9670
pubmed:author
pubmed:issnType
Print
pubmed:volume
7
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
101-8
pubmed:dateRevised
2011-11-17
pubmed:meshHeading
pubmed:year
1990
pubmed:articleTitle
Crohn's disease in the Japanese is associated with the HLA-DRw53.
pubmed:affiliation
Department of Laboratory Medicine, National Defense Medical College, Tokorozawa, Japan.
pubmed:publicationType
Journal Article, Research Support, Non-U.S. Gov't