NLRC5 promotes cell proliferation via regulating the AKT/VEGF-A signaling pathway in hepatocellular carcinoma.
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He YH, Li MF, Zhang XY, Meng XM, Huang C, Li J
NLRC5 promotes cell proliferation via regulating the AKT/VEGF-A signaling pathway in hepatocellular carcinoma.
Toxicology. 2016 Jun 1;359-360:47-57. doi: 10.1016/j.tox.2016.06.012. Epub 2016 Jun 23.
- PubMed ID
- 27338800 [ View in PubMed]
- Abstract
NLRC5, a newly found member of the NLR family and the largest member of nucleotide-binding, has been reported to regulate immune responses and is associated with hepatocellular carcinoma (HCC). We investigated the mechanisms and signaling pathways of NLRC5 in HCC progression. Increased expression of NLRC5, vascular endothelial growth factor-A (VEGF-A) were found in human HCC tissue. There was a positive correlation between NLRC5 and VEGF-A expression and cell proliferation were enhanced in NLRC5-overexpressing HepG2 cells, but inhibited in cells with NLRC5 silencing treatment. Interestingly, we found that up-regulation of NLRC5 also coordinated the activation of PI3K/AKT signaling pathway. An AKT inhibitor LY294002 blocked VEGF-A expression and AKT phosphorylation in HepG2 cells and NLRC5-overexpressing HepG2 cells. These results demonstrate that NLRC5 promotes HCC progression via the AKT/VEGF-A signaling pathway.