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A folate receptor-targeting cytotoxic drug conjugate consisting of a folate vitamin analogue linked to a vinca alkaloid microtubule destabilizing agent with potential antineoplastic activity. Mediated through its folate moiety, folate receptor-targeted Vinca alkaloid EC0489 delivers the cytotoxic vinca alkaloid moiety directly to cells expressing folic acid receptors, frequently upregulated in many types of tumor cells. After ligand-receptor internalization, the vinca alkaloid moiety binds to tubulin and disrupts microtubule assembly-disassembly dynamics, resulting in cell cycle arrest and apoptosis. The relative tumor cell specificity of this agent reduces the toxicity profile of its Vinca alkaloid moiety. Check for \'https://www.cancer.gov/about-cancer/treatment/clinical-trials/intervention/C81935\' active clinical trials using this agent. (\'http://ncit.nci.nih.gov/ncitbrowser/ConceptReport.jsp?dictionary=NCI%20Thesaurus&code=C81935\' NCI Thesaurus)
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