A blocking monoclonal antibody to endothelial-leukocyte adhesion molecule-1 (ELAM1)
- PMID: 1697461
- DOI: 10.1016/0006-291x(90)91400-m
A blocking monoclonal antibody to endothelial-leukocyte adhesion molecule-1 (ELAM1)
Abstract
ELAM1 is a leukocyte adhesion molecule induced on human umbilical vein endothelial cells (HUVECs) by inflammatory cytokines. Balb/C mice were immunized with COS cells transiently expressing cell-surface ELAM1 after transfection with ELAM1 cDNA. After fusion, ELAM1-specific monoclonal antibodies (Mabs) were identified by selective adhesion to ELAM1-expressing, but not control, CHO cells, and to cytokine-treated but not untreated HUVECs. One Mab, designated BB11, binds to and immunoprecipitates ELAM1 expressed on HUVECs, COS and CHO cells. BB11 blocks the interaction of ELAM1 with human PMN, the human myelomonocytic cell line HL60, and the human colon carcinoma line HT29.
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