IGG4 AUTOANTIBODIES TO DNA IN SYSTEMIC LUPUS-ERYTHEMATOSUS PATIENTS

被引:2
|
作者
NAGPAL, S
NAMBOODIRI, MSA
RAO, BSS
RAO, PVS
机构
[1] INDIAN INST SCI,DEPT BIOCHEM,IMMUNOL & ALLERG DIS LAB,BANGALORE 560012,KARNATAKA,INDIA
[2] INDIAN INST SCI,CTR HLTH,BANGALORE 560012,KARNATAKA,INDIA
关键词
D O I
10.1159/000235445
中图分类号
R392 [医学免疫学];
学科分类号
100102 ;
摘要
The presence of DNA-specific IgG4 antibodies was demonstrated in the sera of patients with systemic lupus erythematosus (SLE) by a microtiter solid-phase radioimmunoassay. A patient with distal interphalangeal swelling and extensive ulcers in the oral cavity, seronegative for anti-DNA antibodies of the IgG isotype, was found to have anti-DNA autoantibodies exclusively of the IgG4 subclass. These autoantibodies directed against the dsDNA conformation cross-reacted with chondroitin sulfate, dermatan sulfate and heparin.
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页码:1 / 6
页数:6
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