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β_2小球蛋白(β_2M)的分子量甚小,结构与免疫球蛋白相似,为人体细胞膜的组成部分,和HLA的A、B、C抗原相结合,故又称为HLA的“轻链”,在人体内主要由T和B淋巴细胞合成。本文报告应用放射免疫法对166例慢性肝病患者、75例HBsAg携带者、9例结石阻塞性黄疸和63名正常对照者所作血清β_2M测定的结果。
β 2 small globin (β 2 M) molecular weight is very small, the structure similar to immunoglobulin, as part of the human cell membrane, and HLA A, B, C antigen binding, it is also known as HLA “light chain”, in The human body is mainly composed of T and B lymphocytes. This paper reports the results of serum β_2M determination of 166 patients with chronic liver disease, 75 HBsAg carriers, 9 patients with stone obstruction jaundice and 63 normal controls by radioimmunoassay.