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在医院选择３３例经病理学诊断的胃癌患者及７９例非癌对照，测定其血清锌、铜、锰、钼、硒含量并进行对比分析。结果显示，胃癌患者血清铜含量显著低于对照组（Ｐ＜０．０５））；血清硒含量亦显著低于对照组（Ｐ＜０．００２）．曾报道，江西土壤有效钼含量与胃癌死亡率呈负相关．江西胃癌患者发钼含量显著低于非癌对照．硒是抗氧化剂和抗氧化酶的重要成分，在抑制自由基反应、清除过氧化物方面起重要作用．显然钼、硒与胃癌关系十分密切。缺乏钼、硒是造成胃癌发病率升高的危险因素。
Thirty-three cases of gastric cancer patients diagnosed by pathology and 79 non-cancer controls were selected in the hospital to determine the serum zinc, copper, manganese, molybdenum, and selenium contents and conduct comparative analysis. The results showed that the serum copper concentration in gastric cancer patients was significantly lower than that in the control group (P<0.05); the serum selenium content was also significantly lower than that in the control group (P<0.002). It has been reported that the soil available molybdenum content in Jiangxi is negatively correlated with the mortality of gastric cancer. The content of molybdenum in patients with gastric cancer in Jiangxi was significantly lower than that in non-cancer controls. Selenium is an important component of antioxidants and antioxidant enzymes and plays an important role in inhibiting free radical reactions and scavenging peroxides. Obviously, the relationship between molybdenum, selenium and gastric cancer is very close The lack of molybdenum, selenium is a risk factor for increased incidence of gastric cancer.