Fig. 3From: Anti-tumor effects and mechanism of GA-13315, a novel gibberellin derivative, in human lung adenocarcinoma: an in vitro and in vivo studyGA-13315 triggered apoptosis in A549 cell line. a, Apoptosis was detected in A549 cells by flow cytometry in control group and GA-13315 treated groups; b, Apoptosis in tumor tissues was detected by TUNEL staining in control group and GA-13315 treated groups; c, Expression of caspase-3, − 8, and − 9 was determined by immunohistochemical analysis in control group and GA-13315 treated groups. Ctrl, control group; ***P < 0.001, compared with control groupBack to article page