HLA-DQ4 – DQ4 and Disease

DQ4 is associated with: *juvenile diabetic retinopathy. The DR8-DQ4 haplotype is associated with. *papillary thyroid carcinomas. *juvenile idiopathic arthritis via DR8 allele , *chronic chlamydia infection, *possibly pemphigus.

DQ4 is associated with:

*juvenile diabetic retinopathy

The DR8-DQ4 haplotype is associated with

*papillary thyroid carcinomas

*juvenile idiopathic arthritis via DR8 allele ,

*chronic chlamydia infection,

*possibly pemphigus

DR4-DQ4(DRB1*0405:DQB1*0401) is associated with:

*autoimmune pancreatitis ,

*juvenile type 1 diabetes ,

*rheumatoid arthritis in Japanese.

The DQA1*0303:DQB1*04 haplotype is associated with:

*Crohn's disease in Japanese.

Other diseases mentioned are high altitude pulmonary edema, Vogt-Koyanagi-Harada syndrome (DRB1*0405, see above table for Japanese), HIV resistance in the US, and haemophilia A(anti-FVIII inhibitor response).


Adapted from the Wikipedia article HLA-DQ4, under the G. N. U. Free Documentation License. Please also see http://en.wikipedia.org/wiki








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