lncRNA can serve as a miRNA sponge and block the function of miRNA. High expression of lncRNA SNHG16 (small nucleolar RNAhostgene16) was discovered in gastric cancer (GC) and many other tumors. However, the mechanism of SNHG16 in GC is still unclear. In this research, we detected the expression level of SNHG16 in GC tissues and cell lines by qRT-PCR and FISH assay. RIP and Dual Luciferase Reporter Assay revealed that miR-135a is a target of SNHG16. SNHG16 gene knockdown experiment indicated that the expression level of SNHG16 can influence GC cells proliferation, colony formation, invasion ability and apoptosis in a miR-135a dependent manner. Western Blot assay showed that knockdown of SNHG16 decreased the expression of JAK2 and p-STAT3 in GC cells while miR-135a can offset the facilitated impact. Then the expression level of SNHG16 and miR-135a in the si-STAT3 GC cells was detected by qRT-PCR and the results showed that SNHG16 may be a target gene of p-STAT3. Collectively, it was suggested that SNHG16 can serve as a miR-135a sponge and block the function of miR-135a in JAK2/STAT3 pathway.
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| http://dx.doi.org/10.7150/jca.29527 | DOI Listing |
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