LING Kang, et al. Relationship between Wnt/β-Catenin signal pathway in gastric carcinoma cell line SGC-7901 and the expression of Caspase-8,Caspase-3 and Bcl-2[J]. Journal of Chongqing Medical University, 2009,34(6):690-693.
LING Kang, et al. Relationship between Wnt/β-Catenin signal pathway in gastric carcinoma cell line SGC-7901 and the expression of Caspase-8,Caspase-3 and Bcl-2[J]. Journal of Chongqing Medical University, 2009,34(6):690-693.DOI:
Objective:To study the regulatory mechanism of Wnt/β-Catenin passthway-influenced apoptosis of human gastric cancer line SGC-7901 by detecting the expression of β-Catenin mRNA
Bcl-2mRNA
Caspase-8mRNA and Caspase-3mRNA.Methods:(1) Expressions of β-Catenin
Bcl-2
Caspase-8 and Caspase-3mRNAs in groups with or without indomethacin induction were detected by RT-PCR.(2) Methyl thiazolyl tetrazolium(MTT) assay was used to measure the anticancer activity of indomethacin.Results:(1)As compared with groups without indomethacin induction
expression of β-Catenin mRNA and Bcl-2 mRNA were lower
however
increased expression of Caspase-8 and Caspase-3mRNA were found in SGC-7901 cells after treatment with indomethacin.(2) Indomethacin of 50 μmol/L at 24 h couldn’t induce apoptosis of gastric cancer cells.Indomethacin of 50μmol/L at 48 and 72 h and of 100μmol/L and 200μmol/L at 24、48 and 72 h could induce apoptosis of gastric cancer cells in a dose-and time-dependent manner.Conclusion:Gastric cancer cells may be caused by apoptosis inbalance through Wnt/β-Catenin passthway
which activates expression of proto-oncogene Bcl-2 and inhibites expressions of Caspase-8 and Caspase-3.