人和豚鼠IgG亚类与同源巨噬细胞和单核细胞Fc受体的结合。
The binding of human and guinea-pig IgG subclasses to homologous macrophage and monocyte Fc receptors.
作者信息
Alexander M D, Andrews J A, Leslie R G, Wood N J
出版信息
Immunology. 1978 Jul;35(1):115-23.
Abstract
Guinea-pig IgG2 and IgT1 bind to contiguous Fc receptors on homologous peritoneal macrophages. Equilibrium association constants determined for the binding of human IgG subclasses to homologous peripheral blood monocytes show that the order of binding is IgG1 greater than IgG3 greater than IgG4 greater than IgG2. Direct binding and rosette assay techniques independently established that both guinea-pig IgG2 and human IgG bind to homologous macrophage-monocyte Fc receptors through a site present in whole Fc (CH2. CH3)2, but absent in pFc' subfragments (CH3)2.
摘要
豚鼠IgG2和IgT1与同源腹膜巨噬细胞上相邻的Fc受体结合。测定的人IgG亚类与同源外周血单核细胞结合的平衡缔合常数表明，结合顺序为IgG1大于IgG3大于IgG4大于IgG2。直接结合和玫瑰花结试验技术独立证实，豚鼠IgG2和人IgG均通过完整Fc（CH2.CH3）2中存在但pFc'亚片段（CH3）2中不存在的位点与同源巨噬细胞-单核细胞Fc受体结合。
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