Synthetic Peroxides Promote Apoptosis of Cancer Cells by Inhibiting P-Glycoprotein ABCB5.

ChemMedChem
Ivan A YaremenkoAlexander O Terent'ev

Abstract

This article discloses a new horizon for the application of peroxides in medical chemistry. Stable cyclic peroxides are demonstrated to have cytotoxic activity against cancer cells; in addition a mechanism of cytotoxic action is proposed. Synthetic bridged 1,2,4,5-tetraoxanes and ozonides were effective against HepG2 cancer cells and some ozonides selectively targeted liver cancer cells (the selectivity indexes for compounds 11 b and 12 a are 8 and 5, respectively). In some cases, tetraoxanes and ozonides were more selective than paclitaxel, artemisinin, and artesunic acid. Annexin V flow-cytometry analysis revealed that the active ozonides 22 a and 23 a induced cell death of HepG2 by apoptosis. Further study showed that compounds 22 a and 23 a exhibited a strong inhibitory effect on P-glycoprotein (P-gp/ABCB5)-overexpressing HepG2 cancer cells. ABCB5 is a key player in the multidrug-resistant phenotype of liver cancer. Peroxides failed to demonstrate a direct correlation between oxidative potential and their biological activity. To our knowledge this is the first time that peroxide diastereoisomers have been found to show stereospecific antimalarial action against the chloroquine-sensitive 3D7 strain of Plasmodium falciparum. ...Continue Reading

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Citations

Apr 26, 2020·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Ivan A YaremenkoAlexander O Terent'ev
Nov 5, 2020·Chemistry of Heterocyclic Compounds·Peter S Radulov, Ivan A Yaremenko
Dec 8, 2020·Angewandte Chemie·Zahid HassanStefan Bräse
Feb 22, 2021·Bioorganic Chemistry·Saad ShaabanFardous F El-Senduny
Jul 16, 2021·Chemical Society Reviews·Igor V AlabuginMohammad Ali Zolfigol
Aug 25, 2021·Future Medicinal Chemistry·Fardous F El-SendunySaad Shaaban

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