【摘要】 唾液酸（Ｓｉａｌｉｃａｃｌｉｄ）简称ＳＡ，是真核细胞膜上糖蛋白、糖脂的重要部分，当机体发生某些恶性肿瘤时，细胞膜合成唾液酸增多，并分泌入血，血清中ＳＡ含量就会异常升高。测定３０例健康者及７０例各种恶性肿瘤患者的血清中ＳＡ含量的结果表明，各种肿瘤患者血清中ＳＡ的含量高于正常对照组，差异显著（Ｐ＜００１）。故血清ＳＡ含量的测定对于恶性肿瘤的诊断有着一定的实用价值。更多还原

【Abstract】 Sialic acid (SA)is an important element of glucoprotion and glucolipid of eukaryotic membrane.When malignant tumors developed in the body,SA was increased on the membrane and secreted into the blood,resulting in the high concentration of it in serum.Serum SA in 30 normal persons and 70 patients with different kinds of malignant tumors was detected.The result shoned that serum SA was significantly increased in malignant patients in comparison with that of health ones (P<001).更多还原