Journal
INTERNATIONAL JOURNAL OF BIOLOGICAL SCIENCES
Volume 14, Issue 12, Pages 1715-1723Publisher
IVYSPRING INT PUBL
DOI: 10.7150/ijbs.27197
Keywords
lncRNA; LINP1; TGF-beta; EMT; lung cancer
Categories
Funding
- National Natural Science Foundation [81772952, 81572717, 81272702, 31630093, 31430057]
- National Key Research and Development Program of China [2016YFC1300600]
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Lung cancer is the leading cause of cancer related deaths worldwide. TGF-beta-induced epithelial-mesenchymal transition (EMT) is a key cell-intrinsic identity for tumor cell migration, invasion, and stemness acquisition in cancer metastasis. Long noncoding RNAs (lncRNAs) have not been fully investigated for their involvement in regulating TGF-beta-induced EMT and metastasis in lung cancer. Here, we demonstrated that the transcription of lncRNA in nonhomologous end joining (NHEJ) pathway 1 (LINP1) was inhibited by TGF-beta 1 in a SMAD4-dependent manner. LINP1 suppressed EMT of lung cancer cells, thereby controlling cancer cell migration, invasion, and stemless. Moreover, LINP1 inhibited TGF-beta-induced EMT and cell invasion in lung cancer cells. Our study reveals the role of LINP1 in the regulation of TGF-beta-induced EMT in human lung cancer.
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