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Effect of Combined Perftoran and Indocyanine Green-Photodynamic Therapy on HypoxamiRs and OncomiRs in Lung Cancer Cells. | LitMetric

Effect of Combined Perftoran and Indocyanine Green-Photodynamic Therapy on HypoxamiRs and OncomiRs in Lung Cancer Cells.

Front Pharmacol

Radiological Sciences Department, College of Applied Medical Sciences, Taif University, Taif, Saudi Arabia.

Published: March 2022

AI Article Synopsis

Article Abstract

Indocyanine green (ICG) is a nontoxic registered photosensitizer used as a diagnostic tool and for photodynamic therapy (PDT). Hypoxia is one the main factors affecting PDT efficacy. Perfluorodecalin emulsion (Perftoran) is a known oxygen carrier This study investigated the effect of Perftoran on ICG/PDT efficacy in presence and absence of Perftoran evaluation of phototoxicity by MTT; hypoxia estimation by pimonidazole, HIF-1/ by ELISA, and 17 miRNAs (tumor suppressors, oncomiRs, and hypoxamiRs) were analyzed by qPCR. Compared to ICG/PDT, Perftoran/ICG/PDT led to higher photocytotoxicity, inhibited pimonidazole hypoxia adducts, inhibited HIF-1/ concentrations, induced the expression of tumor-suppressing miRNAs let-7b/d/f/g, and strongly inhibited the pro-hypoxia miRNA let-7i. Additionally, Perftoran/ICG/PDT suppressed the expression of the oncomiRs miR-155, miR-30c, and miR-181a and the hypoxamiRs miR-210 and miR-21 compared to ICG/PDT. In conclusion, Perftoran induced the phototoxicity of ICG/PDT and inhibited ICG/PDT-hypoxia suppressing HIF-/, miR-210, miR-21, let-7i, miR-15a, miR-30c, and miR-181a and by inducing the expression of let-7d/f and miR-15b.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC8966667PMC
http://dx.doi.org/10.3389/fphar.2022.844104DOI Listing

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