Bavachin is a dihydroflavonoid compound isolated from Psoralea corylifolia,and exhibits anti-bacterial,anti-inflammatory,anti-tumor and lipid-lowering activities.Recent attention has gradually drawn on bavachin-induce...Bavachin is a dihydroflavonoid compound isolated from Psoralea corylifolia,and exhibits anti-bacterial,anti-inflammatory,anti-tumor and lipid-lowering activities.Recent attention has gradually drawn on bavachin-induced apoptosis in many human cancer cell lines.However,the anti-cancer effects and related mechanisms in colorectal cancer remain unknown.Here,we investigated the effects of bavachin on colorectal cancer in vivo and in vitro.The results showed that bavachin inhibited the proliferation of human colorectal cancer cells and induce apoptosis.These changes were mediated by activating the MAPK signaling pathway,which significantly up-regulated the expression of Gadd45a.Furthermore,Gadd45a silencing obviously attenuated bavachin-mediated cell apoptosis.Inhibition of the MAPK signaling pathway by JNK/ERK/p38 inhibitors also weakened the up-regulation of Gadd45a by bavachin.The anticancer effect of bavachin was also validated using a mouse xenograft model of human colorectal cancer.In conclusion,these findings suggest that bavachin induces the apoptosis of colorectal cancer cells through activating the MAPK signaling pathway.展开更多
基金This work was supported by the National Natural Science Foundation of China(No.81472233)the“Double First-Class”University Project(No.CPU2018GF/GY16)+1 种基金the“111 Project”from the Ministry of Education of Chinathe Project Funded by the Priority Academic Program Development(PAPD)of Jiangsu Higher Education Institutions.
文摘Bavachin is a dihydroflavonoid compound isolated from Psoralea corylifolia,and exhibits anti-bacterial,anti-inflammatory,anti-tumor and lipid-lowering activities.Recent attention has gradually drawn on bavachin-induced apoptosis in many human cancer cell lines.However,the anti-cancer effects and related mechanisms in colorectal cancer remain unknown.Here,we investigated the effects of bavachin on colorectal cancer in vivo and in vitro.The results showed that bavachin inhibited the proliferation of human colorectal cancer cells and induce apoptosis.These changes were mediated by activating the MAPK signaling pathway,which significantly up-regulated the expression of Gadd45a.Furthermore,Gadd45a silencing obviously attenuated bavachin-mediated cell apoptosis.Inhibition of the MAPK signaling pathway by JNK/ERK/p38 inhibitors also weakened the up-regulation of Gadd45a by bavachin.The anticancer effect of bavachin was also validated using a mouse xenograft model of human colorectal cancer.In conclusion,these findings suggest that bavachin induces the apoptosis of colorectal cancer cells through activating the MAPK signaling pathway.