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571.
HLA profiles of 25 donor-specific transfusion (DST) kidney donor-recipient pairs were analyzed for HLA antigen compatibility. Serum samples collected during and after DST were tested for cytotoxic antibodies against T and B lymphocytes of the donors and 30 normal individuals. Eleven recipients did not produce cytotoxic antibodies to the antigens of their DST donors, and eight produced cold and/or warm, broadly reactive B-cell antibodies. Six patients (24%) produced HLA-A, B, C, and/or DR antibodies. Three of these individuals produced antibodies after two immunizations, while others required three immunizations. Three of the 11 antibody nonproducers (17%) had not received previous transfusions, as compared to three of the eight antibody producers (43%). Comparison of HLA profiles revealed 22 percent of the HLA-A, B, DR identities between the transfusion donor and recipient in antibody nonproducers as compared to 9 percent of the HLA-A, B, DR identities in antibody producers. The HLA-A2, B40, DR4 haplotype and HLA-DRW6 antigen were more common among antibody producers than among nonproducers, who had an excess of the HLA-B8, DR3 haplotype. These results are consistent with the hypothesis that there may be high- and low-responder HLA haplotypes that control immunologic responsiveness to histocompatibility antigens. 相似文献
572.
Antibodies against double-stranded DNA and development of polymyositis during treatment with interferon 总被引:6,自引:0,他引:6
Kalkner KM; Ronnblom L; Karlsson Parra AK; Bengtsson M; Olsson Y; Oberg K 《QJM : monthly journal of the Association of Physicians》1998,91(6):393-399
Alpha interferons have become effective palliative treatments for patients
with neuroendocrine tumours such as carcinoids and endocrine pancreatic
tumours. However, several reports indicate an increased incidence of both
autoantibodies and autoimmune diseases in patients treated with
interferon-alpha (IFN-alpha). We studied the development of antibodies
against double-stranded DNA (dsDNA) and clinical signs of autoimmune
disease in 214 patients with malignant carcinoids or endocrine pancreatic
tumours consecutively admitted for treatment with IFN-alpha. Seventeen
patients (8%) developed antibodies against dsDNA, predominantly females (12
females and 5 males). One patient had clinical and laboratory signs of
polymyositis. Among the other 16 patients, three developed hypothyroidism
and in six patients the anti- dsDNA autoantibodies normalized despite
continuing therapy. Although a significant number of patients developed
autoantibodies against dsDNA, overt autoimmune disease related to these
antibodies is a rare event and many patients spontaneously normalize these
titres despite continuing IFN-alpha treatment.
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