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- 详细信息
- 文献和实验
- 技术资料
- 供应商:
齐源
- 库存:
999
- 靶点:
CD273 (B7-DC, PD-L2)
- 级别:
CD273 (B7-DC, PD-L2) Antibody
- 目录编号:
CD273 (B7-DC, PD-L2) Antibody
- 克隆性:
单克隆
- 抗原来源:
小鼠
- 保质期:
CD273 (B7-DC, PD-L2) Antibody
- 抗体英文名:
anti-human CD273 (B7-DC, PD-L2) Antibody-APC
- 抗体名:
CD273 (B7-DC, PD-L2) Antibody
- 标记物:
APC
- 宿主:
小鼠
- 适应物种:
人
- 免疫原:
CD273 (B7-DC, PD-L2) Antibody
- 亚型:
CD273 (B7-DC, PD-L2) Antibody
- 形态:
CD273 (B7-DC, PD-L2) Antibody
- 应用范围:
FC
- 保存条件:
2-8℃
- 浓度:
CD273 (B7-DC, PD-L2) Antibody
- 规格:
100 tests
Description :CD273, known as B7-DC, is also called programmed death ligand 2 (PDL2). This ligand is a 25kD type I transmembrane protein and a member of B7 family within the immunoglobulinreceptor superfamily and is expressed on a subset of dendritic cells, liver and a small subset ofmacrophages as well as a few transformed cell lines. CD273 has been reported to bestimulatory on dendritic cells when cross-linked and to inhibit T cell activation upon engagingthe PD-1 receptor. CD273 has also been reported to bind to an alternative receptor and tomediate T cell activation through such non-PD1 mediated interactions.
Verified Reactivity :Human
Reported Reactivity :African Green, Baboon, Cynomolgus, Rhesus
Antibody Type :Monoclonal
Host Species :Mouse
Immunogen :Human PD-L2 cDNA
Formulation :Phosphate-buffered solution, pH 7.2, containing 0.09% sodium azide and BSA (origin USA)
Preparation :The antibody was purified by affinity chromatography, and conjugated with APC under optimalconditions.
Concentration :Lot-specific (to obtain lot-specific concentration and expiration, please enter the lot number in ourCertificate of Analysis online tool.)
Storage & Handling :The antibody solution should be stored undiluted between 2°C and 8°C, and protected fromprolonged exposure to light. Do not freeze.
Application :FC - Quality tested
Recommended Usage :Each lot of this antibody is quality control tested by immunofluorescent staining with flow cytometricanalysis. For flow cytometric staining, the suggested use of this reagent is 5 µl per million cells in100 µl staining volume or 5 µl per 100 µl of whole blood.
Excitation Laser :Red Laser (633 nm)
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文献和实验1. Brown JA, et al. 2003. J. Immunol. 170:1257
2. Rodig N, et al. 2003. Eur. J. Immunol. 33:3117
Product Citations:
1. Katsurahara K, et al. 2021. Cancer Sci. 112:1026. PubMed
2. Semnani R, et al. 2011. Infect Immun. 79:3957. PubMed
3. El Ahanidi H, et al. 2022. Front Oncol. 11:795242. PubMed
4. Mulder K, et al. 2021. Immunity. 54(8):1883-1900.e5. PubMed
5. Yeong J, et al. 2019. J Immunother Cancer. 7:34. PubMed
6. Forsberg MH, et al. 2021. Stem Cell Res Ther. 12:459. PubMed
7. Hunegnaw R, et al. 2019. Front Immunol. 1.484027778. PubMed
了 B7 家族的第三个成员 B7-H1(即日后的 PD-L1)[2]。2000 年,Tasuku Honjo 教授等人证明了 PD-L1 能与 PD-1 结合,进而抑制 T 细胞的增殖与细胞因子的分泌,负调控淋巴细胞的激活,从此,B7-H1 被正式命名为 PD-L1(陈列平教授则继续使用「B7-H1」命名)[3]。2003年,陈列平教授第一次成功地使用 PD-L1 封闭抗体联合 T 细胞回输技术治愈了约 60% 的头颈癌小鼠[4]。2014 年 12 月,首个应用于肿瘤治疗的抗 PD-1 抗体
流式课堂 | 易被忽略的 CD4、CD8 共表达细胞——胸腺淋巴细胞
做过流式实验的同学,对 CD4、CD8 这两个指标都不会陌生。检测 CD4+ T 细胞和 CD8+ T 细胞分型,是流式中最常见的实验之一。 通常,我们会先检测 CD3,来圈总T淋巴细胞,再分别用 CD4 抗体和 CD8 抗体,来区分 CD4+ T 淋巴细胞(辅助或调节性T细胞)和 CD8+ T 淋巴细胞(细胞毒性 T 细胞)。 新生小鼠脾脏细胞 上图为新生小鼠脾脏细胞进行的 CD3-PE、CD4-FITC、CD8-APC 三色流式实验结果。从图中可以看出,在新生小鼠脾脏中,绝大
细胞形成以及浆细胞抗体的产生。 ②PD-1(CD279),与CTLA-4有24%同源性,胞质区有1个ITIM。PD-1在T细胞呈活化后诱导性表达,其配体为B7―H1/PD-L1(CD274)和B7-DC/PD-L2(CD273),P1)-I与相应配体结合后,胞质区ITIM中酪氨酸发生磷酸化,募集SHP-2,从而抑制T细胞的增殖,抑制IL-2、IL-10和IFN-7等细胞因子的产生,并对B细胞的增殖、分化与Ig分泌及Ig类别转换有抑制作用。 ③BTLA、CD272结构上与CTLA











