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近年来,一些流行病学调查结果表明VitC能降低肿瘤的发病危险,VitC的摄入不足可致胃癌、食管癌的发病率明显增高。某些研究表明,大剂量的VitC治疗,能延长晚期癌症患者的生存期,也能提高抗肿瘤药物的疗效。但也有一些学者认为肿瘤的发病及治疗与VitC的摄入量之间无直接的关系。本文介绍应用体外培养的人体肝癌细胞株SMMC-7721,观察不同条件下不同浓度的VitC对肝癌细胞的生长抑制作用,进行了初步的探讨。
In recent years, some epidemiological surveys have shown that VitC can reduce the risk of cancer, and insufficient intake of VitC can increase the incidence of gastric cancer and esophageal cancer. Some studies have shown that large doses of VitC treatment can prolong the survival of patients with advanced cancer, and can also improve the efficacy of anti-cancer drugs. However, some scholars believe that there is no direct relationship between the incidence and treatment of cancer and the intake of VitC. This article describes the application of in vitro cultured human hepatoma cell line SMMC-7721 to observe the effect of different concentrations of VitC on the growth inhibition of hepatoma cells, a preliminary discussion.