Abstract:Multiple myeloma cells adherent within the bone marrow microenvironment exhibit protection from chemotherapy. Myeloma cells express the αvβ3 receptor for fibronectin (Fn) and vitronectin (Vn), a receptor critical for tumor invasiveness and tumor angiogenesis. Disruption of angiogenesis or interference with adhesion of myeloma cells inhibits myeloma growth. Human myeloma cell line U266 exhibited 41% expression of αvβ3 integrin by flow cytometry using LM609 monoclonal antibody (Chemicon) or 82% using MEDI-522 hu… Show more
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