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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。
角蛋白,II型细胞骨架8也被称为细胞角蛋白-8(CK-8)或角蛋白-8(K8),是一种角蛋白,由KRT8基因编码。它通常与角蛋白18配对。CK8的抗体可用于区分乳腺小叶癌和乳腺导管癌。在正常组织中,它主要与分泌性上皮细胞反应,但不与鳞状上皮细胞反应,如在皮肤、宫颈和食道中发现的上皮细胞。然而,它也能与一系列恶性细胞发生反应,包括那些来自分泌性上皮的细胞,但也包括一些鳞状癌,如纺锤形细胞癌。它被认为对识别淋巴结中乳腺癌的微小转移很有用,并能区分佩吉特氏病和恶性黑色素瘤。它还能与神经内分泌肿瘤发生反应。角蛋白8已被证明与MAPK14、Pinin和PPL相互作用。 本试剂盒采用双抗体夹心法酶联免疫吸附试验(ELISA)。往预先包被有人角蛋白8(CK8)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角蛋白8(CK8)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 CK8. 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 CK8 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.