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Autophagy-Regulating microRNAs and cancer

Gözüaçık, Devrim and Akkoç, Yunus and Öztürk, Deniz Gülfem and Koçak, Muhammed and Agostinis, Patrizia (2017) Autophagy-Regulating microRNAs and cancer. Frontiers in Oncology, 7 . ISSN 2234-943X

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Official URL: http://dx.doi.org/10.3389/fonc.2017.00065

Abstract

Macroautophagy (autophagy herein) is a cellular stress response and a survival pathway that is responsible for the degradation of long-lived proteins, protein aggregates, as well as damaged organelles in order to maintain cellular homeostasis. Consequently, abnormalities of autophagy are associated with a number of diseases, including Alzheimers's disease, Parkinson's disease, and cancer. According to the current view, autophagy seems to serve as a tumor suppressor in the early phases of cancer formation, yet in later phases, autophagy may support and/or facilitate tumor growth, spread, and contribute to treatment resistance. Therefore, autophagy is considered as a stage-dependent dual player in cancer. microRNAs (miRNAs) are endogenous non-coding small RNAs that negatively regulate gene expression at a post-transcriptional level. miRNAs control several fundamental biological processes, and autophagy is no exception. Furthermore, accumulating data in the literature indicate that dysregulation of miRNA expression contribute to the mechanisms of cancer formation, invasion, metastasis, and affect responses to chemotherapy or radiotherapy. Therefore, considering the importance of autophagy for cancer biology, study of autophagy-regulating miRNA in cancer will allow a better understanding of malignancies and lead to the development of novel disease markers and therapeutic strategies. The potential to provide study of some of these cancer-related miRNAs were also implicated in autophagy regulation. In this review, we will focus on autophagy, miRNA, and cancer connection, and discuss its implications for cancer biology and cancer treatment.

Item Type:Article
Additional Information:WoS Document Type: Review
Uncontrolled Keywords:autophagy; microRNA; post-transcriptional control; cancer growth; metastasis; chemotherapy; radiotherapy; biomarker
Subjects:UNSPECIFIED
ID Code:32239
Deposited By:Devrim Gözüaçık
Deposited On:22 May 2017 12:00
Last Modified:22 May 2017 12:12

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