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LncRNA differentiation antagonizing non-protein coding RNA promotes proliferation and invasion through regulating miR-135a/NLRP37 axis in pancreatic cancer

Investigational New Drugs
Yong Tang, Guojun Cao, Gang Zhao, Chunyou Wang, Qi Qin
Wichtige Hinweise

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Background It is well-known that long-chain non-coding RNA (LncRNA) plays an important role in the development of tumor. DANCR, which is one crucial part of the lncRNA family, has been shown to be involved in the invasion of various tumors. However, its molecular mechanism in pancreatic cancer remains unknown. Methods qRT-PCR was used to detect the expression of DANCR, miR-135a mRNA in pancreatic cancer tissues or cells. E-cadherin and NLRP3 protein levels were measured by Western Blot. CCK-8, cell scratch, and transwell assays were applied to detect the proliferation and invasion of pancreatic cancer cells. Bioinformatical analysis and luciferase assay were performed to explore the relationship among DANCR, miR-135a and NLRP3. Results In pancreatic cancer, DANCR was up-regulated while miR-135a was down-regulated. The over-expression of DANCR promoted the proliferation and invasion of pancreatic cancer cells. A negative relationship was found between DANCR and miR-135a expression. Moreover, we found that miR-135a reversed the effects of DANCR in the promoting of pancreatic cancer cells, which was achieved by regulating the downstream protein of NLRP3. The correlations among DANCR, miR-135a and NLRP3 were confirmed in animal experiments. Conclusion DANCR promoted proliferation and invasion through the regulating of miR-135a / NLRP3 axis in pancreatic cancer cell. Our results suggest that DANCR may be a potential target for the therapy of pancreatic cancer.

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