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Near-IR Light-Mediated Cleavage of Antibody-Drug Conjugates Using Cyanine Photocages

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Specialty Chemistry
Date 2015 Sep 26
PMID 26403799
Citations 66
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Abstract

Despite significant progress in the clinical application of antibody drug conjugates (ADCs), novel cleavage strategies that provide improved selectivity are still needed. Herein is reported the first approach that uses near-IR light to cleave a small molecule from a biomacromolecule, and its application to the problem of ADC linkage. The preparation of cyanine antibody conjugates, drug cleavage mediated by 690 nm light, and initial in vitro and in vivo evaluation is described. These studies provide the critical chemical underpinning from which to develop this near-IR light cleavable linker strategy.

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