Methods The antibody was tested for its effect on cell cycle and cell injury in gastric carcinoma cell MGC 803 by flow cytometry, DNA electrophoresis and TdT assay. Fas antigen expression in MGC 803 was also examined.

• 本研究是为了观察单抗PD4是否具有诱导胃癌细胞凋亡的作用。 方法我们应用流式细胞术和末端脱氧核苷酸标记及DNA电泳法观察单抗PD4对胃癌细胞MGC－803增殖周期的影响以及对细胞杀伤作用的方式，并检测了MGC－803细胞表面Fas抗原的表达情况。