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实验通过紫外线（UV）损伤、同位素3H-TdR掺入等方法，观察比较补肾。活血、益气、健脾及上述治则复方等五类延缓衰老中药对大鼠外周血淋巴细胞DNA损伤修复能力的影响，发现补肾组、活血组与老年对照组比较有显著差异（P＜0．02），而其他各组与老年对照组比较无显著差异，提示补肾与活血类中药有提高遗传物质DNA稳定性的作用。
Experiments were conducted to observe the effects of supplementing kidney by ultraviolet (UV) damage and isotope 3H-TdR incorporation. The effects of five types of anti-aging herbs on the peripheral blood lymphocyte DNA repair ability in rats were improved by activating blood circulation, invigorating Qi, invigorating the spleen, and relieving the spleen and relieving the spleen. The results showed that there was a significant difference between the Bushen and Huoxue groups and the elderly control group (P<0). .02), while there was no significant difference between the other groups and the old control group, suggesting that the kidney and blood circulation herbs have the effect of increasing the DNA stability of the genetic material.