TY - JOUR AB - The aim of the present study was to investigate the anticancer effect of resibufogenin in gastric carcinoma cells through the phosphoinositide 3‑kinase (PI3K)/protein kinase B (AKT)/glycogen synthase kinase 3β (GSK3β) signaling pathway. MGC‑803 cells were treated with 0, 1, 2, 4 and 8 µM resibufogenin for 12, 24 and 48 h. Cell viability and apoptosis were measured using an MTT assay and annexin V staining. Caspase‑3 and caspase‑8 activity were identified using caspase‑3 and caspase‑8 activity kits and a variety of protein expression [B cell lymphoma (Bcl)‑2, Bcl‑2‑associated X protein (Bax), cyclin D1, cyclin E, PI3K, phosphorylated AKT, phosphorylated GSK3β and β‑catenin] were quantified using western blot analysis. It was revealed that resibufogenin effectively inhibited cell proliferation, and induced apoptosis and caspase‑3 and caspase‑8 activity in MGC‑803 cells. Furthermore, treatment with resibufogenin effectively increased Bax/Bcl‑2 expression, and suppressed cyclin D1, cyclin E, PI3K, phosphorylated AKT, phosphorylated GSK3β and β‑catenin protein expression in MGC‑803 cells. These results suggest that the anticancer effect of resibufogenin induces gastric carcinoma cell death through the PI3K/AKT/GSK3β signaling pathway, offering a novel view of the mechanism by which resibufogenin functions as an agent to treat gastric carcinoma. AD - Department of General Surgery, The Fourth Affiliated Hospital of Anhui Medical University, Hefei, Anhui 230022, P.R. China AU - Lu,Zhen AU - Xu,Aman AU - Yuan,Xiao AU - Chen,Kaiwei AU - Wang,Likun AU - Guo,Tao DA - 2018/09/01 DO - 10.3892/ol.2018.8979 EP - 3302 IS - 3 JO - Oncol Lett KW - resibufogenin gastric carcinoma glycogen synthase kinase 3β phosphoinositide 3‑kinase/protein kinase B PY - 2018 SN - 1792-1074 1792-1082 SP - 3297 ST - Anticancer effect of resibufogenin on gastric carcinoma cells through the phosphoinositide 3‑kinase/protein kinase B/glycogen synthase kinase 3β signaling pathway T2 - Oncology Letters TI - Anticancer effect of resibufogenin on gastric carcinoma cells through the phosphoinositide 3‑kinase/protein kinase B/glycogen synthase kinase 3β signaling pathway UR - https://doi.org/10.3892/ol.2018.8979 VL - 16 ER -