单细胞系丙球蛋自病(Monoclonal gammopathies)或称单克隆免疫球蛋白病,为异常免疫球蛋白增多疾病中的一类。一般认为一个浆细胞只能产生一种类型的免疫球蛋白,即一个浆细胞虽可形成许多免疫球蛋白分子,但这些分子都具有相同的重链、轻链,亚型和免疫特殊性,这样的免疫球蛋白称为单细胞系免疫球蛋白。正常情况下,机体内有许多不同的B细胞株,因而可形成许多不同的免疫球蛋白抗体。异常免疫 Monoclonal gammopathies, or monoclonal immunoglobulin diseases, are one of a class of diseases that are aberrant immunoglobulins. It is generally believed that a plasma cell can produce only one type of immunoglobulin, that is, a plasma cell can form many immunoglobulin molecules, but these molecules have the same heavy chain, light chain, subtype and immune specificity, so Of immunoglobulins are called unicellular immunoglobulins. Under normal circumstances, the body has many different B cell lines, which can form a lot of different immunoglobulin antibodies. Abnormal immunity