• Featured Product
  • KD/KO验证

CoraLite® Plus 488-conjugated PD-L1/CD274 (C-terminal) Polyclonal antibody

PD-L1/CD274 (C-terminal) Polyclonal Antibody for IF-P
Cat No. CL488-28076

产品说明书

宿主/亚型

Rabbit / IgG

种属反应性

Human, mouse, rat

应用

IF-P

B7 H, B7 H1, B7 homolog 1, B7H1, CD274, CD274 molecule, PD L1, PDCD1 ligand 1, PDCD1L1, PDCD1LG1, PDL1, Programmed death ligand 1

缓冲液配方:  PBS and Azide
PBS and Azide
偶联物:  CoraLite® Plus 488
规格: 

-/ -


经过测试的应用

Positive IF-P detected inhuman placenta tissue
For other applications, we recommend the unconjugated version of this antibody, 28076-1-AP

推荐稀释比

应用推荐稀释比
Immunofluorescence (IF)-PIF-P : 1:50-1:500
It is recommended that this reagent should be titrated in each testing system to obtain optimal results.
Sample-dependent, Check data in validation data gallery.

产品信息

CL488-28076 targets PD-L1/CD274 (C-terminal) in IF-P applications and shows reactivity with Human, mouse, rat samples.

经测试应用 IF-P Application Description
经测试反应性 Human, mouse, rat
免疫原 PD-L1/CD274 (C-terminal) fusion protein Ag27557 种属同源性预测
宿主/亚型 Rabbit / IgG
抗体类别 Polyclonal
产品类型 Antibody
全称 CD274 molecule
别名 B7 H, B7 H1, B7 homolog 1, B7H1, CD274, CD274 molecule, PD L1, PDCD1 ligand 1, PDCD1L1, PDCD1LG1, PDL1, Programmed death ligand 1
计算分子量 290 aa, 33 kDa
观测分子量 45-50 kDa
GenBank蛋白编号BC074984
基因名称 PD-L1
Gene ID (NCBI) 29126
RRIDAB_3672821
偶联类型 CoraLite® Plus 488 Fluorescent Dye
最大激发/发射波长493 nm / 522 nm
形式 Liquid
纯化方式Antigen affinity purification
UNIPROT IDQ9NZQ7
储存缓冲液 PBS with 50% glycerol, 0.05% Proclin300, 0.5% BSA , pH 7.3
储存条件Store at -20°C. Avoid exposure to light. Stable for one year after shipment. Aliquoting is unnecessary for -20oC storage.

背景介绍

PD-L1, also known as CD274 or B7H1, stands for programmed cell death ligand 1. It is a type I transmembrane protein that is thought to repress immune responses by binding to its receptor (PD1), thus inhibiting T-cell activation, proliferation, and cytokine production. It contains V-like and C-like immunoglobulin domains. PD-L1 expression is regulated by various cytokines, such as TNF-α or LPS (ISSN: 1848-7718). Increased expression of this protein in certain types of cancers, e.g., renal cell carcinoma or colon cancer, correlates with poor prognosis. 

What is the molecular weight of PD-L1? 

Depending on the isoform, the calculated molecular weight of the protein varies between 20 and 33 kDa (176-290 aa). 

What are the isoforms of PD-L1? 

According to NCBI, three different isoforms have been identified. There are significant differences in the untranslated and protein coding regions. 

What is the subcellular localization and tissue specificity of PD-L1? 

It is predicted to localize in the plasma membrane of various cell types, with a particularly high expression in placental trophoblast and subsets of immune cells. High levels of PD-L1 protein have also been detected in lung and colon tissues. 

What is the function of PD-L1 in immune responses? 

PD-L1 is critical for the induction and maintenance of immune self-tolerance during infection or inflammation in normal tissues. The interaction of PD-L1 and its receptors is responsible for preventing auto-immune phenotypes and balancing the overall immune response in situations such as pregnancy or tissue allografts. The interaction between PD-L1 and PD-1 or B7.1 starts an inhibitory signaling cascade, which results in the decreased proliferation of antigen-specific T-cells and increased survival of regulatory T-cells (PMID: 15240681). 

How can PD-L1's implication in cancer be used as a drug target? 

In certain tumors, high expression of PD-L1 serves as a stop-sign to inhibit the recognition of cancer cells by T-cells (PMID: 23087408). The interaction between PD-L1 and its receptors (PD1 and B7.1) is a mechanism for the tumor to evade the host immune response (PMID: 29357948). Several mAbs have been developed to target that interaction and thus prevent the inactivation of cytotoxic T-cells by the tumor (PMIDs: 23890059, 18173375).


实验方案

Product Specific Protocols
IF protocol for CL Plus 488 PD-L1/CD274 (C-terminal) antibody CL488-28076Download protocol
Standard Protocols
Click here to view our Standard Protocols
Loading...