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  • An antibody-drug conjugate (ADC) composed of a humanized monoclonal antibody against human inactive tyrosine-protein kinase 7 (PTK7) linked, via a cleavable valine-citrulline linker, to an analog of the auristatin microtubule inhibitor dolastatin 10, auristatin-0101, with potential antineoplastic activity. Upon administration, anti-PTK7/Auristatin-0101 ADC PF-06647020 targets and binds to PTK7 expressed on tumor cells. Upon binding, internalization and cleavage, auristatin-0101 binds to tubulin and inhibits its polymerization, resulting in G2/M phase arrest and apoptosis of PTK7-expressing tumor cells. PTK7, a tumor-associated antigen (TAA), is overexpressed on a variety of cancer cells. Check for \'https://www.cancer.gov/about-cancer/treatment/clinical-trials/intervention/C123828\' active clinical trials using this agent. (\'http://ncit.nci.nih.gov/ncitbrowser/ConceptReport.jsp?dictionary=NCI%20Thesaurus&code=C123828\' NCI Thesaurus)
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