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miR-708-3p promotes gastric cancer progression through downregulating ETNK1. | LitMetric

miR-708-3p promotes gastric cancer progression through downregulating ETNK1.

Heliyon

Key Laboratory of Microecology-immune Regulatory Network and Related Diseases, School of Basic Medicine, Jiamusi University, Jiamusi, Heilongjiang, 154000, China.

Published: September 2023

AI Article Synopsis

Article Abstract

MicroRNAs (miRNAs) are small, evolutionarily conserved, non-coding RNAs playing a role in the proliferation, metastasis, apoptosis, chemo-sensitivity, and chemo-resistance of gastric cancer, as well as the stemness of gastric cancer stem cells. miR-708-3p induces gastric cancer cell chemo-resistance, but its actual role in gastric cancer progression remains unclear. This paper shows that miR-708-3p is upregulated in gastric cancer samples and that a high miR-708-3p expression in gastric cancer patients is associated with poor overall survival. Our functional study results indicate that miR-708-3p overexpression promotes gastric cancer cell proliferation and migration, inhibits cell apoptosis, and facilitates the transition from the G0/G1 to the G2/M phase. Furthermore, reducing miR-708-3p levels yielded opposite effects. Next, our experiments revealed that miR-708-3p advanced gastric cancer cell growth in nude mice. The underlying mechanism was the regulation of ethanolamine kinase 1 (ETNK1) expression by miR-708-3p, which bound to the 3'UTR of the ETNK1 gene in gastric cancer cells. Finally, the recovery assay results showed that ETNK1 overexpression could slow miR-708-3p-induced gastric cancer progression. In conclusion, we identified a new miR-708-3p/ETNK1 pathway involved in gastric cancer progression. These results may offer new targets for gastric cancer therapy and markers for gastric cancer prognosis.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC10558739PMC
http://dx.doi.org/10.1016/j.heliyon.2023.e19544DOI Listing

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