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亚硒酸钠对人胃腺癌细胞生长和超微结构的影响
Authors
吴乔
李祺福
汪德耀
Publication date
29 June 1992
Publisher
Abstract
MGc80-3细胞经3×10~(-6)mol/l亚硒酸钠处理后,细胞生长曲线与分裂指数显著下降,倍增时间延长、生长抑制率达64.8%、~2H-TdR放射自显影观察表明标记指数从44.4%下降至7.1%,核内几乎见不到银粒,显示胃癌细胞DNA合成受到有效抑制,电镜下可见亚硒酸钠处理的细胞,核质比例下降,核形规则,核仁体积缩小,数量减少,核内异染色质减少,常染色质增多,细胞质内高尔基复合体发达,线位体结构典型,粗糙型内质网丰富,细胞表面微绒毛减少等显著变化,结果证实亚硒酸钠能改变MGc80-3细胞的恶性表型特征,具有诱导胃癌细胞分化的显著作用
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Last time updated on 16/06/2016