miR-140-5p regulates the hypoxia-mediated oxidative stress through Nrf2

Year 2023, Volume: 15 Issue: 3, 1157 - 1161, 31.12.2023

Megharani Mahajan , Sandhya Sitasawad

https://doi.org/10.37212/jcnos.1347766

Abstract

Rapid and uncontrollable cell proliferation, altered metabolism, and abnormal vasculature of cancer cells make them hypoxic and result in the generation of reactive oxygen species (ROS), causing oxidative stress. Hypoxia-mediated oxidative stress represents a significant barrier to effective cancer treatment. miRNAs are emerging as a potential regulator of hypoxia-responsive genes and hypoxia-mediated oxidative stress. Based on the role of miR-140-5p in regulating a hypoxia-responsive gene, this study is aimed at understanding the miR-140-5p role in regulating hypoxia-mediated oxidative stress under breast tumor hypoxia. We found that the miR-140-5p might control the hypoxia-mediated ROS generation by regulating the Nrf2 expression. Knowing the significance of miR-140-5p in regulating hypoxia-mediated oxidative stress and breast tumor progression, targeting miR-140-5p might represent a promising strategy for anti-breast cancer therapy.

Keywords

miR-140-5p, Nrf2, Hypoxia, Breast cancer, Reactive Oxygen Species (ROS)

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