4.6 Article

The Crosstalk between lncRNA-SNHG7/miRNA-181/cbx7 Modulates Malignant Character in Lung Adenocarcinoma

Journal

AMERICAN JOURNAL OF PATHOLOGY
Volume 190, Issue 6, Pages 1343-1354

Publisher

ELSEVIER SCIENCE INC
DOI: 10.1016/j.ajpath.2020.02.011

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Funding

  1. Zhejiang Lung Cancer Center
  2. Natural Science Foundation of Zhejiang Province [LY18H160038]
  3. Medical Research Plan of Zhejiang Province [2016KYA032]

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Lung adenocarcinoma (LUAD) is a malignant tumor with poor patient survival and high patient mortality. Long noncoding RNA is profoundly involved in the tumorigenesis of LUAD. The present study explores the effect of small nucleolar RNA host gene 7 (SNHG7) on the progression of LUAD and its underlying mechanisms. SNHG7 was found to be down-regulated in LUAD tissues compared with normal tissues. Altered SNHG7 expression induced changes in cell proliferation and migration both in vitro and in vivo. Mechanistically, it was found that SNHG7 interacted with microRNA mir-181 and sequentially up-regulated cbx7. cbx7, which suppresses the Wnt/beta-catenin pathway in LUAD, was found to be a direct target of mir-181. Taken together, loss of SNHG7 in LUAD up-regulated mir-181 and then down-regulated the tumor suppressor cbx7.

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