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恶性细胞有二个显著特征:无限增殖和恶性浸润。目前尚无试验证据说明增殖和浸润的相互关系。有些临床资料表明低增殖能力的肿瘤可以有高的浸润能力。近年来国内外不少对者运用器官培养技术对人体和动物的多种恶性细胞的体外浸润能力进行了研究。但未见到学人体食管癌细胞的类似研究,更未见到食管癌细胞(Eca—109)和中国地鼠卵巢细胞(CH
Malignant cells have two distinct features: infinite proliferation and malignant invasion. At present, there is no experimental evidence that the relationship between proliferation and infiltration. Some clinical data suggest that low proliferative tumors may have high invasive ability. In recent years, many opponents at home and abroad have used organ culture techniques to study the in vitro infiltration capabilities of various malignant cells of humans and animals. However, similar studies on esophageal cancer cells were not seen, and esophageal cancer cells (Eca-109) and Chinese hamster ovary cells (CH) were not seen.