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目的：研究Ⅱ型糖尿病患者血微量元素与血糖、胰岛素、Ｃ肽的含量变化。方法：应用原子吸收分光光度法测定微量元素，生化法测定血糖，放免法测定胰岛素和Ｃ肽含量。结果：Ⅱ型糖尿病人血铁、锌、镁含量低于正常人组（Ｐ＜０．０１）。铜含量和铜／锌比值高于正常人组（Ｐ＜０．０１）。结论：测定Ⅱ型糖尿病患者血微量元素的变化有重要的临床意义。
Objective: To study the changes of blood trace elements, blood sugar, insulin and C-peptide in patients with type 2 diabetes mellitus. Methods: Determination of trace elements by atomic absorption spectrophotometry, determination of blood glucose by biochemical methods, determination of insulin and C peptide by radioimmunoassay. Results: The levels of iron, zinc and magnesium in type Ⅱ diabetic patients were lower than those in normal controls (P <0.01). Copper content and copper / zinc ratio was higher than the normal group (P <0.01). Conclusion: There is an important clinical significance for the determination of blood trace elements in type 2 diabetic patients.