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Tuning the allosteric sequestration of anticancer drugs for developing cooperative nano-antidotes. | LitMetric

Tuning the allosteric sequestration of anticancer drugs for developing cooperative nano-antidotes.

Chem Commun (Camb)

Department of Chemistry & Biochemistry, The Ohio State University, 100 West 18th Avenue, 43210 Columbus, Ohio, USA.

Published: January 2020

AI Article Synopsis

Article Abstract

A dual-cavity basket 1, holding six γ-aminobutyric acids at its termini, encapsulates variously sized aromatics 2-7, including four anthracyclines (8-11), driven by the hydrophobic effect and hydrogen bonding (HB). In particular, the formation of stable (K = 10 M) anthracycline complexes [(8-11)⊂1], assembled into nanoparticles, occurred with positive homotropic cooperativity (α = 4K/K = 1.1 ± 0.3 × 10-1.3 ± 0.7 × 10) in PBS medium. Importantly, weakening the first binding event (K, i.e. by removing HBs) turned the second one (K) more favorable. The finding is of interest for developing cooperative nano-antidotes acting as biodetoxifying agents.

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Source
http://dx.doi.org/10.1039/c9cc09373gDOI Listing

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