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Exosomal Micrornas and Long Noncoding Rnas: Novel Mediators of Drug Resistance in Lung Cancer Publisher Pubmed



Taghvimi S1 ; Vakili O2 ; Soltani Fard E3 ; Khatami SH4 ; Karami N5 ; Taherianganeh M6 ; Salehi M7 ; Negahdari B7 ; Ghasemi H8 ; Movahedpour A9
Authors

Source: Journal of Cellular Physiology Published:2022


Abstract

Lung cancer therapeutic resistance, especially chemoresistance, is a key issue in the management of this malignancy. Despite the development of novel molecularly targeted drugs to promote therapeutic efficacy, 5-year survival of lung cancer patients is still dismal. Molecular studies through the recent years have fortunately presented multiple genes and signaling pathways, which contribute to lung cancer chemoresistance, providing a better perception of the biology of tumor cells, as well as the molecular mechanisms involved in their resistance to chemotherapeutic agents. Among those mechanisms, transfer of extracellular vesicles, such as exosomes, between cancer cells and the surrounding noncancerous ones is considered as an emerging route. Exosomes can desirably function as signaling vesicles to transmit multiple molecules from normal cells to cancer cells and their microenvironment, or vice versa. Using this ability, exosomes may affect the cancer cells' chemoresistance/chemosensitivity. Recently, noncoding RNAs (esp. microRNAs and long noncoding RNAs), as key molecules transferred by exosomes, have been reported to play a substantial role in the process of drug resistance, through modulation of various proteins and their corresponding genes. Accordingly, the current review principally aims to highlight exosomal micro- and long noncoding RNAs involved in lung cancer chemoresistance. Moreover, major molecular mechanisms, which connect corresponding RNA molecules to drug resistance, will briefly be addressed, for better clarifying of possible roles of exosomal noncoding RNAs in promoting the effectiveness of lung cancer therapy. © 2022 Wiley Periodicals LLC.
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