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为探讨金属硫蛋白（ＭＴ）在运动提高机体自我保护能力方面的作用，本实验观察了游泳运动对大鼠心、肝、肺、脑、血管、血浆和骨骼肌等７种组织金属硫蛋白含量的影响。结果表明耐力训练组大鼠心、肝、肺和骨骼肌组织金属硫蛋白含量较正常对照组明显降低１３－３４％（Ｐ＜０．０５）；急性力竭运动组大鼠心、肝、脑、肺和骨骼肌组织其含量较正常对照组则明显升高２１－７５％（Ｐ＜０．０５）；但两组大鼠血管和血浆ＭＴ含量变化与对照组大鼠相比无统计学意义（Ｐ＜０．０５）。推测各组织金属硫蛋白在不同运动形式下的不同变化可能在运动提高机体自我保护能力方面具有积极意义。
In order to explore the role of metallothionein (MT) in exercise to improve the self-protection ability of the body, this experiment observed the effects of swimming exercise on the content of metallothionein in seven tissues including heart, liver, lung, brain, blood vessel, Impact. The results showed that the content of metallothionein in the heart, liver, lung and skeletal muscle of the endurance training group was significantly reduced by 13-34% (P <0.05) compared with that of the normal control group. Heart, liver and brain , Lung and skeletal muscle tissue than the normal control group was significantly increased 21-75% (P <0.05); but the two groups of rat blood and plasma MT content changes compared with the control group rats was not statistically significant (P <0.05). It is speculated that the different changes of metallothionein in different forms of exercise may have positive significance in the exercise to improve the self-protection ability of the body.