Journal
PATHOLOGY RESEARCH AND PRACTICE
Volume 214, Issue 9, Pages 1330-1339Publisher
ELSEVIER GMBH
DOI: 10.1016/j.prp.2018.05.012
Keywords
MiR-223-3p; NLRP3; GBM; Inflammation
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Funding
- Huzhou General Science and Social Development Project Foundation [2016GYB38]
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Glioblastoma(GBM) is most common brain tumor in adults. Currently standard treatments have limited effect to increase the survival, because there are still largely unclear mechanisms in glioblastoma development. miR-223 was involved in various types of cancer, however, the function of miR-223-3p in GBM was still unclear. In our study, real-time PCR was performed to exam the expression level of miR-223-3p and NLRP3 (Nucleotide-binding oligomerization domain(NOD)-like receptor family PYRIN domain containing-3) in GBM tissues. Following that, mimic or inhibitor of miR-223-3p were used to modulate miR-223-3p expression in GBM cell lines respectively. Then, we analyzed cell proliferation and migration by cell counting kit and transwell assay. Further, western blot was performed to detect several inflammation-associated cytokines level in GBM cell lines. We found that miR223-3p was decreased but NLRP3 was increased in GBM tissues. Treatment with miR-223-3p mimic inhibits cell proliferation and migration via decreasing several inflammation-associated cytokines, including interleukin-1 beta (IL-1 beta), monocyte chemoattractant protein-1 (MCP-1), IL-8 and IL-18. Importantly, these effects induced by miR-223-3p could be attenuated by NLRP3 overexpression, which was considered as one of target genes of miR-223-3p. In conclusion, these results indicated that miR-223-3p might act as a suppressor and a potential therapy target of GBM.
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