Antineoplastic effect of WIN 55,212-2, a cannabinoid agonist, in a murine xenograft model of gastric cancer.

Chemotherapy
Jung Hwan OhJae Myung Park

Abstract

We have previously reported the antineoplastic effects of a cannabinoid agonist in gastric cancer cells. Our aim was to evaluate this in a murine xenograft model. Animal models were created after injecting AGS gastric cancer cells subcutaneously into the flank of male BALB/c-nude mice. A cannabinoid agonist, WIN 55,212-2 (7 mg/kg body weight) or vehicle was injected around the tumor subcutaneously every 24 h for 14 days. Tumors were explanted for analysis. Tumor volume decreased by 30% in the WIN 55,212-2-treated group compared to the group treated with vehicle (p < 0.05). Apoptotic cells were found more commonly in the WIN 55,212-2 treatment group than in the control on immunohistochemistry. Compared to the control, WIN 55,212-2 treatment significantly increased caspase-3 cleavage and decreased MMP-2, MMP-7 and MMP-9 protein levels significantly (all p < 0.05). VEGF-A protein level was not different between the 2 groups. WIN 55,212-2 has antineoplastic effect on the gastric cancers in in vivo model.

Citations

Nov 14, 2015·PloS One·Chao WangXiaoyan Zhang
Aug 19, 2017·Expert Review of Gastroenterology & Hepatology·Ester Pagano, Francesca Borrelli
Apr 3, 2020·European Journal of Pharmacology·Mickael Laudrup de Sousa CavalcanteMoisés Tolentino Bento da Silva

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