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BioReagent 级 ,适用于对基线干扰要求严格的色谱和分析工作流程。
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在色谱分析、有机合成和交叉偶联反应领域已被 0 篇同行评审文献引用。
FOXP3(叉头盒P3),也被称为scurfin,是一种参与免疫系统反应的蛋白质。作为FOX蛋白家族的一员,FOXP3似乎在调节性T细胞的发展和功能中发挥着调节途径的主调控作用。在癌症中,过量的调节性T细胞活动可以阻止免疫系统摧毁癌细胞。在自身免疫性疾病中,调节性T细胞活性不足会使其他自身免疫性细胞攻击人体自身组织。虽然精确的控制机制尚未建立,但FOX蛋白属于转录调节器的叉头/翼状螺旋家族,并被推测在转录过程中通过类似的DNA结合相互作用施加控制。 本试剂盒采用双抗体夹心法酶联免疫吸附试验(ELISA)。往预先包被有人叉头型基因P3(FOXP3)捕获抗体的微孔中,依次加入样本、标准品、生物素标记的检测抗体,HRP酶结合物,中间经过温育和洗涤,用底物TMB显色,TMB在过氧化物酶(HRP)的催化下转化成蓝色,并在酸的作用下转化成最终的黄色。颜色的深浅和样本中的人叉头型基因P3(FOXP3)呈正相关。用酶标仪在450nm 波长下测定吸光度(OD值),计算样本浓度。
This kit employs the sandwich enzyme-linked immunosorbent assay (ELISA) principle. Microplate wells are pre-coated with a capture antibody specific to Human FOXP3. Following this, the sample, standards, a biotin-conjugated detection antibody, and an HRP (horseradish peroxidase)-labeled conjugate are added sequentially to the wells. The procedure involves incubation and wash steps between each addition. For detection, TMB substrate is used. TMB yields a blue color in the presence of the peroxidase activity of HRP. The reaction is then stopped with an acid solution, which converts the blue color to a final yellow color. The intensity of the yellow color is directly proportional to the concentration of Human FOXP3 present in the sample. The optical density (OD) is measured at a wavelength of 450 nm using a microplate reader. Finally, the concentration of the target analyte in the sample is calculated based on the standard curve generated from the standards.