Journal
CANCER LETTERS
Volume 412, Issue -, Pages 170-178Publisher
ELSEVIER IRELAND LTD
DOI: 10.1016/j.canlet.2017.10.024
Keywords
AGR2; miR-342-3p; Non-small cell lung cancer; Cell proliferation; Cell migration
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Funding
- National Natural Science Foundation of China [81302145]
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AGR2 is a well-studied secreted protein that is involved in multiple biological processes including cell proliferation and migration. The mechanism by which AGR2 increases the growth and migration of non small cell lung cancer cells (NSCLC) is still unknown. In this study, we report that AGR2 is directly targeted by miR-342-3p. Functional studies suggest that overexpression of miR-342-3p inhibits the proliferation and migration of non-small cell lung cancer cells. Overexpression of AGR2 counteracts the phenotypes induced by miR-342-3p. Moreover, AGR2 expression is up-regulated and negatively correlated with miR-342-3p levels in NSCLC cells and tissues. A meta-analysis of survival data indicates that NSCLC patients with high levels of AGR2 in their tumors have a worse prognosis. Collectively, the identification of miR-342-3p and AGR2 might facilitate the development of biomarkers and therapeutic targets for this devastating disease. (C) 2017 Elsevier B.V. All rights reserved.
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