Functional evidence for three distinct and independently inhibitable adhesion activities mediated by the human integrin VLA-4. Correlation with distinct alpha 4 epitopes

Abstract excerpt

The human integrin VLA (very late activation antigens)-4 (CD49d/CD29), the leukocyte receptor for both the CS-1 region of plasma fibronectin (Fn) and the vascular cell surface adhesion molecule-1 (VCAM-1), also mediates homotypic aggregation upon triggering with specific anti-VLA-4 monoclonal antibody (mAb). Epitope mapping of this integrin on the human B-cell line Ramos, performed with a wide panel of anti-VLA-4...

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