Dana-Farber-Cancer Institute Inc.

Boris Schleiffenbaum

Thomas F Tedder

Olivier Spertini

A shed form of leukocyte adhesion molecule-1 (LAM-1, L-selectin) is present in high levels in human plasma. Quantitative methods of detecting shed LAM-1 (sLAM-1) by Western blot and ELISA analysis are disclosed. Also disclosed are methods for the specific detection of cell-surface bound LAM-1 in the presence of shed LAM-1 and for immunotherapy using monoclonal antibodies reactive with cell-surface bound LAM-1 but not reactive with shed LAM-1. In addition a method of producing an antibody that is reactive with cell-surface bound LAM-1 but not reactive with shed LAM-1 is disclosed.

Method of producing a cell surface bound lam-1 specific antibody

A shed form of leukocyte adhesion molecule-1 (LAM-1, L-selectin) is present in high levels in human plasma. Quantitative methods of detecting shed LAM-1 (sLAM-1) by Western blot and ELISA analysis are disclosed. Also disclosed are methods for the specific detection of cell-surface bound LAM-1 in the presence of shed LAM-1 and for immunotherapy using monoclonal antibodies reactive with cell-surface bound LAM-1 but not reactive with shed LAM-1.

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Brookline, MA, United States of America

Boris Schleiffenbaum