B cell antibodies and crossmatching

Transplantation
G AyoubG Opelz

Abstract

Over 200 cadaver donor transplants were crossmatched against T and B lymphocytes at 5 and 37 C. Of 54 positive B cell crossmatches, one-half had cold antibodies and one-half had warm antibodies. The 1-year transplant survival was 58% for B-cold-positive crossmatches and 42% for B-warm-positive crossmatches. The B-warm-positive crossmatches, when subdivided into those with strong HLA-DR antibodies showed a 27% 1-year transplant survival rate. We conclude that B cell-positive crossmatches with HLA-DR antibodies are deleterious and that those with cold anti-IgM antibodies may enhance graft survival.

Citations

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