IgE-IV靶细胞受体的表征。

D.H. Conrad , A. Froese
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引用次数: 8

摘要

通过使RBL细胞与DNP-IgE相互作用,用Nonidet P-40溶解细胞,并使提取物与抗DNP-Sepharose结合,分离出由大鼠嗜碱性白血病(RBL)细胞的IgE及其受体组成的复合物。在用2,4-二硝基苯酚盐洗脱的RBL表面物质中,51-65%可被抗IgE沉淀。SDS洗脱液的聚丙烯酰胺凝胶分析。使用10%凝胶的凝胶显示具有约45.000道尔顿的表观分子量的单一表面组分。
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Characterization of the target cell receptor for IgE—IV.

Complexes, consisting of IgE and its receptor from rat basophilic leukemia (RBL) cells, were isolated by allowing RBL cells to interact with DNP-IgE, solubilizing the cells with Nonidet P-40 and by allowing the extract to bind to anti-DNP-Sepharose. Of the RBL surface material eluted with 2,4-dinitrophenolate, 51–65% was precipitable by anti-IgE. Polyacrylamide gel analysis of eluates in SDS. using 10% gels, revealed a single surface component with an apparent molecular weight of about 45.000 daltons.

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