WIN 55,212-2 Inhibits the Epithelial Mesenchymal Transition of Gastric Cancer Cells via COX-2 Signals.

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“Cannabinoids (the active components of Cannabis sativa) and their derivatives have received considerable interest due to reports that they can affect the tumor growth, migration, and metastasis.

Previous studies showed that the cannabinoid agonist WIN 55,212-2 (WIN) was associated with gastric cancer (GC) metastasis, but the mechanisms were unknown.

RESULTS:

WIN inhibited cell migration, invasion, and epithelial to mesenchymal transition (EMT) in GC. WIN treatment resulted in the downregulation of cyclooxygenase-2 (COX-2) expression and decreased the phosphorylation of AKT, and inhibited EMT in SGC7901 cells. Decreased expression of COX-2 and vimentin, and increased expression of E-cadherin, which was induced by WIN, were normalized by overexpression of AKT, suggesting that AKT mediated, at least partially, the WIN suppressed EMT of GC cells.

CONCLUSION:

WIN can inhibit the EMT of GC cells through the downregulation of COX-2.”

https://www.ncbi.nlm.nih.gov/pubmed/27802436

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