anti-integrin monoclonal antibody-DM4 immunoconjugate IMGN388

An immunoconjugate consisting of an anti-integrin monoclonal antibody covalently attached to the maytansinoid DM4, a derivative of the cytotoxic agent maytansine (DM1), with potential antineoplastic activity. Anti-integrin monoclonal antibody-DM4 immunoconjugate IMGN388 binds to tumor cell surface integrins; upon internalization, the DM4 moiety is released from the immunoconjugate, binding to tubulin and disrupting microtubule assembly/disassembly dynamics, which may result in inhibition of cell division and cell growth of integrin-expressing tumor cells. Integrins, a class of transmembrane cell surface receptors, link the extracellular matrix (ECM) to intracellular signaling pathways that control cell proliferation and differentiation. Check for active clinical trials using this agent. (NCI Thesaurus)

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