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Mouse IL-1R1/CD121a ELISA Kit

时间:2016-10-28 05:01:38来源:本站 作者:admin 点击:315次


【项目简介】
Two distinct types of receptors that bind the pleiotropic cytokines IL-1 alpha and IL-1 beta have been described. The IL-1 receptor Type I is an 80 kDa transmembrane protein that is expressed predominantly by T cells, fibroblasts, and endothelial cells. IL-1 receptor Type II is a 68 kDa transmembrane protein found on B lymphocytes, neutrophils, monocytes, large granular leukocytes and endothelial cells. Both receptors are members of the immunoglobulin superfamily and show approximately 28% sequence identity in their extracellular domains. The two receptor types do not heterodimerize into a receptor complex. Mouse IL-1 RI shares 63% amino acid sequence homology with human IL-1 RI in their extracellular domains.
 
【检验原理】
本试剂盒采用双抗体夹心ELISA法。酶标微孔板上预包被有抗小鼠IL-1R1抗体,当加入标准品和待测样本时,标准品和待测样本中的小鼠IL-1R1会和该抗体结合。洗板后,游离的其他成分被洗去,加入辣根过氧化物酶标记的的抗小鼠IL-1R1抗体可与被酶标板捕获的小鼠IL-1R1结合,形成“包被抗小鼠IL-1R1抗体+小鼠IL-1R1+抗小鼠IL-1R1抗体-HRP”免疫复合物。当加入TMB显色底物后,复合物上连接的HRP催化底物反应,生成蓝色产物,终止反应后变为黄色。在450nm处测定OD值,小鼠IL-1R1浓度与OD450值之间呈正比,可通过绘制标准曲线求出标本中小鼠IL-1R1的浓度。


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