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- 详细信息
- 文献和实验
- 技术资料
- 保存条件:
常温,避光
- 克隆性:
单克隆
- 抗体名:
CD74抗体
Antibody Type : Rabbit Monoclonal Antibody ( Rabbit mAb Service Platform )
克隆号 : 301
抗体宿主 : Rabbit IgG
缓冲液 : 0.2 μm filtered solution in PBS, 5% trehalose may be added in some batches. Please read the hardcopy of COA or contact our customer service to confirm the formulation.
制备方法 : This antibody was obtained from a rabbit immunized with purified, recombinant Human CD74 (rh CD74; Catalog#11091-H07H; NP_004346.1; Gln73-Met232).
CD74抗体 Background
CD74, also known as HLA-DR antigens-associated invariant chain or Ii, is a non-polymorphic glycoprotein, which is expressed on antigen-presenting cells (APC), and carcinomas of renal, lung, gastric, thymic origin and by certain sarcomas. It is post-translationally glycosylated and exists in different isoforms. The most common isoform is 33 kDa (p33), but p35, p41 and p43 isoforms also exist. The most well-known function of CD74 is regulating the trafficking of class II major histocompatibility complex (MHC) proteins in APC. It also acts as a surface membrane receptor for macrophage migration inhibitory factor (MIF), alone or together with CD44. But multiple studies have revealed that cell surface expression of CD74 is not always dependent on class II MHC. The role of CD74 in signal transduction was initially hypothesized when it was found to be phosphorylated and associated with proteins that coordinate various signal transduction pathways. CD74 was recently found to be increased in microglia in Alzheimer disease (AD) cases compared to age-matched controls. Additionally, it may be useful targets to reduce neutrophilic lung inflammation, and acute lung injury. Various studies have indicated that CD74 is highly expressed in inflammatory disorders and cancers. Thus, the restricted expression of CD74 by normal tissues and its very rapid internalization make CD74 an attractive therapeutic target for both cancer and immunologic diseases.
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文献和实验CD74 分子 CD74 常用单克隆抗体或代号: LN2,BU- 43;(li,lg ) 主要表达细胞: B,Msub [B] 分子质量(kDa)和结构: gp41/35/33,Ⅱ类相关恒定链(li链) 功 能: 与新合成MHCⅡ类分子结合,防止MHC结合内源肽 CD74 Gamma chain antigen associated with MHC class II antigen
抗体的结构决定了其对应的功能,同一抗体的V区和C区的氨基酸组成和顺序不同,决定了其功能上的差异。V区和C区的组成和结构,决定了抗体的生物学功能。 图1:抗体的主要功能(图片来源:Abbas et al: Cellular and Molecular Immunology, 7e.) 1、特异性识别功能 抗体可以通过其结构上的可变区域与抗原结合,同时,具有极高的特异性。这种特异性识别功能可以使抗体识别和结合到感染的病原体,肿瘤细胞等不同种类的分子,帮助免疫系统识别并定位到这些分子,进而启动
在生命科学和医学基础研究中,或多或少都需要用到抗体。抗体的应用场景不同、标记物众多,且针对同一标记物市场上往往有多个抗体可供选择,那么,我们如何从成百万上千万种抗体中,挑选出我们想要的那支呢? 在我们6月份的关于抗体的调研活动中,我们发现,大家更多的是去参考文献或专利中的材料和方法部分,这无疑很大程度上保证了抗体的有效性。其次有45%和34%的受访者会用到百度和谷歌,然而这两个搜索引擎覆盖面颇广,经常会出现抗体无关的搜索结果,而专业用于查找抗体的网站,大家却知之甚少。 因此,本次文章中
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