CD274 Antibody

Code CSB-PA878942ESR1HU
Size US$167Purchase it in Cusabio online store
(only available for customers from the US)
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  • Immunohistochemistry of paraffin-embedded human colon tissue using CSB-PA878942ESR1HUat dilution of 1:100

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Product Details

Full Product Name Rabbit anti-Homo sapiens (Human) CD274 Polyclonal antibody
Uniprot No. Q9NZQ7
Target Names CD274
Alternative Names B7 H antibody; B7 H1 antibody; B7 homolog 1 antibody; B7-H1 antibody; B7H antibody; B7H1 antibody; CD 274 antibody; CD274 antibody; CD274 antigen antibody; CD274 molecule antibody; MGC142294 antibody; MGC142296 antibody; OTTHUMP00000021029 antibody; PD L1 antibody; PD-L1 antibody; PD1L1_HUMAN antibody; PDCD1 ligand 1 antibody; PDCD1L1 antibody; PDCD1LG1 antibody; PDL 1 antibody; PDL1 antibody; Programmed cell death 1 ligand 1 antibody; Programmed death ligand 1 antibody; RGD1566211 antibody
Raised in Rabbit
Species Reactivity Human
Immunogen Recombinant Human Programmed cell death 1 ligand 1 protein (19-238AA)
Immunogen Species Homo sapiens (Human)
Conjugate Non-conjugated
Clonality Polyclonal
Isotype IgG
Purification Method Antigen Affinity Purified
Concentration It differs from different batches. Please contact us to confirm it.
Buffer PBS with 0.02% sodium azide, 50% glycerol, pH7.3.
Form Liquid
Tested Applications ELISA, IHC
Recommended Dilution
Application Recommended Dilution
IHC 1:20-1:200
Protocols ELISA Protocol
Immunohistochemistry (IHC) Protocol
Troubleshooting and FAQs Antibody FAQs
Storage Upon receipt, store at -20°C or -80°C. Avoid repeated freeze.
Lead Time Basically, we can dispatch the products out in 1-3 working days after receiving your orders. Delivery time maybe differs from different purchasing way or location, please kindly consult your local distributors for specific delivery time.

Target Data

Function Involved in the costimulatory signal, essential for T-cell proliferation and production of IL10 and IFNG, in an IL2-dependent and a PDCD1-independent manner. Interaction with PDCD1 inhibits T-cell proliferation and cytokine production.
Gene References into Functions
  1. an HBV-pSTAT3-SALL4-miR-200c axis regulates PD-L1 causing T cell exhaustion PMID: 29593314
  2. hypothesized that an oncolytic poxvirus would attract T cells into the tumour, and induce PD-L1 expression in cancer and immune cells, leading to more susceptible targets for anti-PD-L1 immunotherapy PMID: 28345650
  3. multivariate Cox hazards regression analysis identified ALCAM and PD-L1 (both P < 0.01) as potential independent risk factors for primary diffuse pleural mesotheliomas PMID: 28811252
  4. miR-191-5p was identified to have negative correlation with PD-L1 expression and acted as an independent prognostic factor of OS in patients with colon adenocarcinoma. PMID: 30045644
  5. our findings suggest a regulatory mechanism of PD-L1 through data analysis, in vitro and vivo experiments, which is an important factor of immune evasion in GC cells, and CXCL9/10/11-CXCR3 could regulate PD-L1 expression through STAT and PI3K-Akt signaling pathways in GC cells. PMID: 29690901
  6. CD163(+)CD204(+) Tumor-associated macrophages possibly play a key role in the invasion and metastasis of oral squamous cell carcinoma by T-cell regulation via IL-10 and PD-L1 production. PMID: 28496107
  7. Results demonstrated that the expression of PDL1 in colorectal carcinoma tissue was significantly increased compared with the paracancerous tissue. Blocking PDL1 can inhibit tumor growth by activating CD4+ and CD8+ T cells involved in the immune response. PMID: 30272332
  8. miR-574-3p was identified to potentially regulate PD-L1 expression in chordoma, which inversely correlated with PD-L1. Positive PD-L1 expression on tumor cells was associated with advanced stages and TILs infiltration, whereas decreased miR-574-3p level correlated with higher muscle invasion, more severe tumor necrosis and poor patient survival. PMID: 29051990
  9. PD-L1 expression was detected in 69% of cases of primary melanoma of the vulva PMID: 28914674
  10. PD-L1 tumor cell expression is strongly associated with increased HIF-2alpha expression and presence of dense lymphocytic infiltration in clear cell renal cell carcinoma. PMID: 30144808
  11. Different Signaling Pathways in Regulating PD-L1 Expression in EGFR Mutated Lung Adenocarcinoma PMID: 30454551
  12. PD-L1, Ki-67, and p53 staining individually had significant prognostic value for patients with stage II and III colorectal cancer PMID: 28782638
  13. Challenging PD-L1 expressing cytotoxic T cells as a predictor for response to immunotherapy in melanoma PMID: 30050132
  14. Our results confirm and extend prior studies of PD-L1 and provide new data of PD-L2 expression in lymphomas PMID: 29122656
  15. Positive PD-L1 expression is indicative of worse clinical outcome in Xp11.2 renal cell carcinoma. PMID: 28522811
  16. PD-L1 expression in cancer cells is upregulated in response to DNA double-strand break. PMID: 29170499
  17. Targeting PD-L1 Protein is an efficient anti-cancer immunotherapy strategy. (Review) PMID: 30264678
  18. Suggest that PD-L1 may play a relevant role in metastatic spread and may be a candidate prognostic biomarker in cutaneous squamous cell carcinoma. PMID: 29742559
  19. PD-L1 immunostaining scoring for non-small cell lung cancer based on immunosurveillance parameters. PMID: 29874226
  20. SLC18A1 might complement other biomarkers currently under study in relation to programmed cell death protein 1/programmed cell death protein ligand 1 inhibition PMID: 30194079
  21. Low PDL1 expression is associated with mammary and extra-mammary Paget disease. PMID: 29943071
  22. Low PDL1 mRNA expression is associated with non-muscle-invasive bladder cancer. PMID: 29150702
  23. we found that in advanced stage NSCLC patients who received nivolumab, the C allele of PD-L1 rs4143815 and the G allele of rs2282055 were significantly associated with better ORR and PFS. This is the first report that PD-L1 SNP, which was thought to increase PD-L1 expression, is associated with a response to nivolumab. PMID: 28332580
  24. PD-L1 expression differs between the two components of lung ASCs. Given the complexity of lung ASCs, their treatment outcomes may be improved by administration of both EGFR TKIs and anti-PD-1/PD-L1 antibodies in cases where EGFR mutations are present and PD-L1 is overexpressed. PMID: 28387300
  25. IDO and B7-H1 expressions were observed in patients with pancreatic carcinoma tissues and are important markers for PC malignant progression PMID: 30029936
  26. There was higher programmed cell death protein ligand-1(PD-L1) expression in post-treatment EBV DNA-positive patients. Post-treatment positive EBV DNA status maybe a useful biomarker of worse outcomes in early stage -stage extranodal natural killer/T cell lymphoma. PMID: 30116872
  27. PD-L1 is a critical TTP-regulated factor that contributes to inhibiting antitumor immunity. PMID: 29936792
  28. Structural and functional analyses unexpectedly reveal an N-terminal loop outside the IgV domain of PD-1. This loop is not involved in recognition of PD-L1 but dominates binding to nivolumab, whereas N-glycosylation is not involved in binding at all. PMID: 28165004
  29. While mutational analysis appeared similar to that of older patients with OCSCC who lack a smoking history, a comparatively high degree of PD-L1 expression and PD-1/L1 concordance (P=0.001) was found among young female OCSCC patients. PMID: 28969885
  30. PD-L1 expression is predictive of survival in diffuse large B-cell lymphoma, irrespective of rituximab treatment. PMID: 29748856
  31. PD-L1 expression was augmented on CD8+ T cells in BALF of a patient with smoldering adult T-cell lymphoma and Pneumocystis jiroveci pneumonia. This suggested that the PD-1-PD-L1 system may suppress not only antitumor immunity but also host defense against pathogens and thereby allow establishment of chronic HTLV-1 infection and immunodeficiency. PMID: 28967040
  32. MUC1 drives PD-L1 expression in triple-negative breast cancer cells. PMID: 29263152
  33. Positive PD-L1 expression was found in 36.8% of inflammatory breast carcinoma (IBC) samples but was not significantly associated with the clinicopathologic variables examined. Worse overall survival (OS) was significantly associated with positive PD-L1, negative estrogen receptor, and triple-negative status. The 5-year OS rate was 36.4% for patients with PD-L1-positive IBC and 47.3% for those with PD-L1-negative. PMID: 29425258
  34. PD-L1 expression display a highly variable distribution in clear cell renal cell carcinomas and this particularity should be kept in mind when selecting the tumor samples to be tested for immunotherapy. PMID: 29661736
  35. Report relatively low level PD-L1 positivity in treatment-naive acinar prostatic adenocarcinoma. PMID: 30257853
  36. High PD-L1 expression is associated with pulmonary metastases in head and neck squamous cell carcinoma. PMID: 29937180
  37. these data suggest that DNA-damage signaling is insufficient for upregulating PD-L1 in normal human dermal fibroblasts PMID: 29859207
  38. High CD274 expression is associated with Oral Squamous Cell Carcinoma. PMID: 28669079
  39. This study provides important evidence of higher levels of agreement of PD-L1 expression in pulmonary metastasis compared with in multiple primary lung cancer, and high positivity of PD-L1 expression in pulmonary metastatic lesions with wild-type EGFR in an Asian population. PMID: 29254651
  40. High PD-L1 expression is associated with Mycobacterium avium complex-induced lung disease. PMID: 28169347
  41. PD-L1 expression in tumor-associated immune cells may be associated with a higher probability of clinical response to avelumab in metastatic breast cancer PMID: 29063313
  42. The expression of PDL1 was significantly increased following treatment with gefitinib. PMID: 29901173
  43. These results demonstrated that the IFNGinduced immunosuppressive properties of B7H1 in human BM and WJMSCs were mediated by STAT1 signaling, and not by PI3K/RACalpha serine/threonineprotein kinase signaling PMID: 29901104
  44. PD-1/PD-L1 expression is a frequent occurrence in poorly differentiated neuroendocrine carcinomas of the digestive system. PMID: 29037958
  45. High CD274 expression is associated with Epithelial Ovarian Cancer. PMID: 30275195
  46. Studied expression levels of CD274 molecule (PD-L1) in thymic epithelial tumors. Found PD-L1 expression level correlated with the degree of TET malignancy. PMID: 29850538
  47. Authors assessed PD-L1 expression in both tumor cells and tumor-infiltrating immune cells in the tumor specimens (complete histological sections, not tissue microarray). PMID: 28420659
  48. We conclude that a subgroup of advanced disease ovarian cancer patients with high grade tumors, expressing PD-L1, may be prime candidates for immunotherapy targeting PD-1 signaling PMID: 29843813
  49. PD-L1 expression is a prognostic factor related with poor survival among patients that developed non-small cell lung cancer. PMID: 29614306
  50. The inhibition of PTEN also reduced the cancer effects of CD4+ T cells on non-small cell lung cancer (NSCLC) cell lines following miR-142-5p downregulation. Therefore, our study demonstrated that miR-142-5p regulated CD4+ T cells in human NSCLC through PD-L1 expression via the PTEN pathway. PMID: 29767245

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Subcellular Location Isoform 1: Cell membrane, Single-pass type I membrane protein, SUBCELLULAR LOCATION: Isoform 2: Endomembrane system, Single-pass type I membrane protein
Protein Families Immunoglobulin superfamily, BTN/MOG family
Tissue Specificity Highly expressed in the heart, skeletal muscle, placenta and lung. Weakly expressed in the thymus, spleen, kidney and liver. Expressed on activated T- and B-cells, dendritic cells, keratinocytes and monocytes.
Database Links

HGNC: 17635

OMIM: 605402

KEGG: hsa:29126

STRING: 9606.ENSP00000370989

UniGene: Hs.521989

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