高原不同民族人群唾液中SIgA变化的研究

CHANGES OF SALIVA SECRETING IMMUNOGLOBULIN A IN DIFFERENT NATIONALITIES AT PLATEAU AREA

本文对世居青藏高原的撒拉、土、回、藏四个民族青少年唾液中的免疫球蛋白A（SIgA）含量进行了测定。结果表明，除土族和藏族以外，其他各民族间均有显著性差异。作者认为，其原因可能与各民族人群的生活环境、生活习惯、世居史、遗传因素等有关。

In the present paper, the saliva immunoglobulin A(sIgA)of four kind nationalities,namely ,the Salar,Tu, Hui,Tibetan who generation lived in Qinghai-Tibet was detected. The result showed that there were significant difference(P< 0.05)among the nationalities except between the Tu and Tibet. The authors considered it may be closely related with the life environment, life habit, history of generation residence and genetic factors.