硒是人体必需微量元素,大量资料证实或提示硒具有广泛的生物学作用,如预防克山病、调节免疫、延缓衰老等。近年来,硒和癌症的预防成为硒生物学作用研究方面的热点。许多研究表明,硒对某些癌症可能具有预防作用。1 硒和肺癌1.1 动物实验研究el-Bayoumy等研究了合成的有机硒化合物对小鼠肺癌的影响,结果发现硒对小鼠肺癌具有预防作 Selenium is an essential trace element of human body, a large number of data confirm or prompt selenium has a wide range of biological effects, such as prevention Keshan disease, immune regulation, anti-aging. In recent years, the prevention of selenium and cancer has become a hot topic in the study of the biological role of selenium. Many studies have shown that selenium may have a preventive effect on some cancers. 1 Selenium and lung cancer 1.1 animal studies El-Bayoumy et al studied the effects of synthetic organic selenium compounds on lung cancer in mice and found that selenium has a preventive effect on lung cancer in mice