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本文采用了微量指血法测定了青海天峻地区(海拔3460m)的世居藏族、移居汉族和西宁地区(海拔2260m)以及苏州市(海拔5.8m)共359健康人的红细胞—超氧化物岐化酶(RBC—SOD)结果表明:①世居藏族成人RBC—SOD较移居汉族低,其中青壮年组差异显著(P<0.01),中老年组差异不明显(P>0.05)②随着海拔高度的升高,中、老年人体内RBC—SOD活性降低(P<0.01)。③随增龄RBC—SOD活性下降(P<0.01)。本文对上述改变的原因进行了初步探讨。
In this paper, micro-finger method was used to determine the serum levels of erythrocyte-superoxide dismutase (SOD) in 359 healthy people living in Tianjun region of Qinghai (3460m above sea level), Tibetan natives who migrated to Han and Xining (2260m above sea level), and Suzhou (5.8m above sea level) The results of RBC-SOD showed that: (1) The RBC-SOD of the native Tibetans was lower than that of the Migrants, especially in the young and middle-aged groups (P <0.01) RBC-SOD activity in the elderly, middle-aged and elderly people decreased (P <0.01). ③ RBC-SOD activity decreased with increasing age (P <0.01). This article has carried on the preliminary discussion to the reason of the above change.