产品详情
背景资料
Human leukocyte antigen G (HLA-G), belonging to MHC class I glycoproteins, plays important roles in both physiological and pathological immunotolerance. It gives an inhibitory signal to cytotoxic T cells, NK cells, monocytes, and some other immune cells. It also induces regulatory T cells and anti-inflammatory macrophages. HLA-G is important e.g. for maternal tolerance to the fetus, and for immunomodulation in particular adult tissues, such as in cornea, pancreatic islets, thymus and other. On the other hand, it is expressed in many solid and hematologic malignancies, where it contributes to evasion of the immune surveillance. HLA-G expression pattern in cancer is an important prognostic factor regarding a poor clinical outcome. Unlike most other MHC glycoproteins, HLA-G acts as an immune checkpoint molecule rather than as an antigen presenting molecule. It concerns both transmembrane and soluble HLA-G isoforms. Among other, HLA-G can promote Th2 immunological response and downregulate Th1 immunological response. For its benefits regarding allograft tolerance, including embryo implantation, soluble HLA-G (sHLA-G) can be used as a marker of developmental potential of embryos during the process of in vitro fertilization. Similarly, sHLA-G concentrations in maternal serum are decreased in preeclampsia. Transplanted patients with increased sHLA-G serum levels have improved allograft acceptance. On the other hand, increased sHLA-G can also indicate presence of malignant (sometimes also of benign) tumor cells. Another important topic is induction of HLA-G expression (sometimes associated with shedding of HLA-G from the cell surface) by some anti-cancer or anti-viral therapies, which can weaken the therapy effect. Monitoring of HLA-G in patients thus has a wide usage.
应用类型
FC (QC tested), IP, IHC-F, ICC, ELISA
免疫原
Human thymocytes and T lymphocytes.
宿主
Mouse IgG2a
反应性
The antibody MEM-115 recognizes an extracellular epitope in the D1 domain of CD4 antigen, a 55 kDa transmebrane glycoprotein expressed on a subset of T lymphocytes (“helper“ T cells) and also on monocytes, tissue macrophages and granul
保存条件
Store at 2-8°C. Do not freeze.
品牌介绍
EXBIO是捷克一家著名的生物试剂公司,专注于流式细胞术配套试剂的开发。自1990年成立以来,EXBIO公司研发和制造的抗体分销全球。目前,EXBIO可提供超过4000种质优、价廉的研究和临床应用抗体,涵盖了血液学,免疫学,癌症,干细胞和细胞生物学等领域,如:CD分子、细胞粘附分子、细胞骨架、凋亡、细胞信号传导、肿瘤标志物、人血型、HLA、生殖等研究用抗体,涉及荧光染料如FITC、PE、PE-Cy5、PE-Cy7、APC、PerCP、PerCP-Cy5.5、Pacific Blue、Pacific Orange、Alexa Fluor 488、Alexa Fluor 647、Alexa Fluor 700、Biotin等多达13种,满足客户各类实验需求。
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