ANTI-VASCULAR ENDOTHELIAL CELL ANTIBODY - ITS ROLE IN TRANSPLANTATION

  • 1 January 1977
    • journal article
    • research article
    • Vol. 81  (2) , 132-138
Abstract
Sera samples from 8 different groups of patients were tested for the presence of circulating antibody (IgG [immunoglobulin G]) directed against vascular endothelial cell antigens. The indirect immunofluorescent method which used whole blood vessels or single endothelial cells as targets was compared to lymphocytotoxicity panels. The indirect immunofluorescent antibody test (IFA) consistently detected antibody in sera samples which were negative for lymphocytotoxic activity, and the presence of IFA antibody to vascular endothelial cells had a much better correlation with clinical course and renal allograft rejection than did the lymphocytotoxicity panels. Single vascular endothelial cells appeared to be a more sensitive target for the detection of IFA antibody than did whole vessels. Preliminary absorption studies suggest that cell-specific and HL-A antigens play a role in the immunological response to vascular endothelial cells.

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