Abstract
The prognosis of gastric cancer (GC) remains poor due to local invasion and distal metastasis. The GC-related molecular mechanisms underlying invasion and metastasis are not well understood. In this study, we investigated the functional role of ANO1 in GC progression. We found that ANO1 is overexpressed in GC tissues and correlated with GC tumor-node-metastasis stage. Knockdown of ANO1 significantly inhibited GC cell migration and invasion in vitro, and loss of ANO1 resulted in inhibition of tumor metastasis in vivo. Mechanistically, SP1 increased ANO1 transcription, recruited MLL1 to the ANO1 promoter region, facilitated H3K4 trimethylation, and subsequently promoted ANO1 expression. Together, our findings provide a mechanistic assessment of ANO1 overexpression, which represents a GC progression-related molecule and a potentially valuable target for future research.
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