13 and hepatocellular carcinoma.
14,15 In a previous analysis of the lncRNA expression profile using a microarray assay, we found that AFAP1-AS1 was upregulated in six GC tissues compared with paired non-cancerous tissues. To investigate the relationship between AFAP1-AS1 and GC, the expression of AFAP1-AS1 was further verified in a study involving a larger sample size composed of tissues and six different GC cell lines. In addition, the potential functions of AFAP1-AS1 on the proliferation, migration, and invasion of GC cells was also investigated in this study.
Materials and Methods
Tissue Samples and RNA Extraction
In this investigation, 97 fresh frozen GC and their paired non-cancerous tissues were collected at Fuzhou General Hospital, which were used to assess the expression of AFAP1-AS1. The collection and preservation of fresh GC tissue samples were carried out as previously described.
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