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A phosphatase-recruiting bispecific antibody-aptamer chimera for enhanced suppression of tumor growth.

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The development of agents against abnormal activation of receptor tyrosine kinases (RTKs) for therapeutic interventions is in high demand. Using mesenchymal epithelial transition (Met) protein as a proof-of-concept RTK, here… Click to show full abstract

The development of agents against abnormal activation of receptor tyrosine kinases (RTKs) for therapeutic interventions is in high demand. Using mesenchymal epithelial transition (Met) protein as a proof-of-concept RTK, here we developed a CD148-recruiting bispecific antibody-aptamer chimera for simultaneous inhibition of extra- and intra-cellular functions of Met in cancer cells. This chimera exhibited remarkable migration-suppressive and antiproliferative effects. This strategy is highly promising for developing kinase inhibitors for use in therapies of a broad range of cancers.

Keywords: aptamer chimera; recruiting bispecific; antibody aptamer; bispecific antibody

Journal Title: Chemical communications
Year Published: 2023

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