MiR-223-3p overexpression inhibits cell proliferation and migration by regulating inflammation-associated cytokines in glioblastomas

Pathology, Research and Practice
Qiuping DingJie Xu

Abstract

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 miR-223-3p 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-1β (IL-1β), monocyte chemoattractant protein-1 (MCP-1), IL-8 and IL-18. Importantly, these effects induced by miR-223-3p could be attenuated by NLRP3 ove...Continue Reading

Citations

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