1.Human eukaryotic translation elongation factor 1 alpha 2 suppresses apoptosis in pancreatic cancer
Qi ZHU ; Su ZHANG ; Hai-Xia CAO ; Ju CAI ; Yaobo GAO ; Yongping ZHANG ; Kai XU ; Chong QI ;
Chinese Journal of Digestion 1998;0(06):-
Objective To explore the potential mechanisms of carcinogenesis for human eukaryotic translation elongation factor 1 alpha 2(EEF1A2).Methods Specific inhibition of EEF1A2 with siRNA was achieved in human pancreatic cancer cell line,BxPC-3,which usually expresses high level of EEF1A2.The changes of EEF1A2 expression were determined by Western blot.The effect of siRNA in suppressing the proliferation of BxPC-3 cells was determined by MTT assay,and its role in inducing BxPC-3 cell apoptosis evaluated by flow cytometry,TUNEL and transmission electron micro- scope.Results The sequence-specific siRNA effectively suppressed the expression of both EEF1A2 mRNA and protein.Specific inhibition of EEF1A2 with siRNA in pancreatic cancer cell line BxPC-3 could suppress proliferation and induce apoptosis.Conclusion The oncogenicity of EEF1A2 may be related to its role in suppressing the apoptosis and promoting the growth of pancreatic cancer cells.
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