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某些A类维生素在实验动物中具有防止或延缓肿瘤发生的作用,离体研究也指出A类维生素能抑制肿瘤细胞株的生长,压抑由致癌剂处理后的细胞转化.上述报道都指出A类维生素具有抗肿瘤的特性,并可能作用在
Some Class A vitamins have the effect of preventing or delaying tumorigenesis in experimental animals and in vitro studies also indicate that Class A vitamins can inhibit the growth of tumor cell lines and suppress the transformation of cells after being treated with a carcinogen agent.The above reports indicate that Class A Vitamins have anti-tumor properties and may act on it