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MicroRNAs as Regulators of Cancer Cell Energy Metabolism
Muthukumaran, Natarajaseenivasan Suriya Velusamy, Prema Mercy, Charles Solomon Akino Langford, Dianne Natarajaseenivasan, Kalimuthusamy Shanmughapriya, Santhanam
Muthukumaran, Natarajaseenivasan Suriya
Velusamy, Prema
Mercy, Charles Solomon Akino
Langford, Dianne
Natarajaseenivasan, Kalimuthusamy
Shanmughapriya, Santhanam
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Journal article
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2022-08-18
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Neural Sciences
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http://dx.doi.org/10.3390/jpm12081329
Abstract
To adapt to the tumor environment or to escape chemotherapy, cancer cells rapidly reprogram their metabolism. The hallmark biochemical phenotype of cancer cells is the shift in metabolic reprogramming towards aerobic glycolysis. It was thought that this metabolic shift to glycolysis alone was sufficient for cancer cells to meet their heightened energy and metabolic demands for proliferation and survival. Recent studies, however, show that cancer cells rely on glutamine, lipid, and mitochondrial metabolism for energy. Oncogenes and scavenging pathways control many of these metabolic changes, and several metabolic and tumorigenic pathways are post-transcriptionally regulated by microRNA (miRNAs). Genes that are directly or indirectly responsible for energy production in cells are either negatively or positively regulated by miRNAs. Therefore, some miRNAs play an oncogenic role by regulating the metabolic shift that occurs in cancer cells. Additionally, miRNAs can regulate mitochondrial calcium stores and energy metabolism, thus promoting cancer cell survival, cell growth, and metastasis. In the electron transport chain (ETC), miRNAs enhance the activity of apoptosis-inducing factor (AIF) and cytochrome c, and these apoptosome proteins are directed towards the ETC rather than to the apoptotic pathway. This review will highlight how miRNAs regulate the enzymes, signaling pathways, and transcription factors of cancer cell metabolism and mitochondrial calcium import/export pathways. The review will also focus on the metabolic reprogramming of cancer cells to promote survival, proliferation, growth, and metastasis with an emphasis on the therapeutic potential of miRNAs for cancer treatment.
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Suriya Muthukumaran, N.; Velusamy, P.; Akino Mercy, C.S.; Langford, D.; Natarajaseenivasan, K.; Shanmughapriya, S. MicroRNAs as Regulators of Cancer Cell Energy Metabolism. J. Pers. Med. 2022, 12, 1329. https://doi.org/10.3390/jpm12081329
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Journal of Personalized Medicine, Vol. 12, Iss. 8
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