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Recombinant Mouse PD-L1/B7-H1 Fc Chimera Protein, CF

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Recombinant Mouse PD-L1/B7-H1 Fc Chimera (Catalog # 1019-B7) inhibits anti-CD3-induced cell proliferation of stimulated mouse T cells. The ED50 for this effect is 0.15-0.75 μg/mL.
1 μg/lane of Recombinant Mouse PD‑L1/B7‑H1 Fc Chimera was resolved with SDS-PAGE under reducing (R) and non-reducing (NR) conditions and visualized by silver staining, showing bands at 79 kDa and 150 kDa, ...read more
Recombinant Mouse PD-L1/B7-H1 Fc protein (Catalog # 1019-B7) was immobilized on a Biacore Sensor Chip CM5, and binding to Recombinant Mouse PD-1 His protein (9047-PD) was measured at a concentration range between 1.53 ...read more

Product Details

Summary
Reactivity MuSpecies Glossary
Applications Bioactivity
Format
Carrier-Free

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Recombinant Mouse PD-L1/B7-H1 Fc Chimera Protein, CF Summary

Details of Functionality
Measured by its ability to inhibit anti-CD3-induced proliferation of stimulated mouse T cells. The ED50 for this effect is 0.15-0.75 µg/mL.
Source
Mouse myeloma cell line, NS0-derived mouse PD-L1/B7-H1 protein
Mouse PD-L1
(Phe19-Thr238)
Accession # Q9EP73
IEGRMD Human IgG1
(Pro100-Lys330)
N-terminus C-terminus
Accession #
N-terminal Sequence
Phe19
Structure / Form
Disulfide-linked homodimer
Protein/Peptide Type
Recombinant Proteins
Gene
Cd274
Purity
>90%, by SDS-PAGE visualized with Silver Staining and quantitative densitometry by Coomassie® Blue Staining.
Endotoxin Note
<0.10 EU per 1 μg of the protein by the LAL method.

Applications/Dilutions

Dilutions
  • Bioactivity
Theoretical MW
51.3 kDa (monomer).
Disclaimer note: The observed molecular weight of the protein may vary from the listed predicted molecular weight due to post translational modifications, post translation cleavages, relative charges, and other experimental factors.
SDS-PAGE
75-85 kDa, reducing conditions
Publications
Read Publications using
1019-B7 in the following applications:

Packaging, Storage & Formulations

Storage
Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
  • 12 months from date of receipt, -20 to -70 °C as supplied.
  • 1 month, 2 to 8 °C under sterile conditions after reconstitution.
  • 3 months, -20 to -70 °C under sterile conditions after reconstitution.
Buffer
Lyophilized from a 0.2 μm filtered solution in PBS.
Purity
>90%, by SDS-PAGE visualized with Silver Staining and quantitative densitometry by Coomassie® Blue Staining.
Reconstitution Instructions
Reconstitute at 100 μg/mL in sterile PBS.

Notes

This product is produced by and ships from R&D Systems, Inc., a Bio-Techne brand.

Alternate Names for Recombinant Mouse PD-L1/B7-H1 Fc Chimera Protein, CF

  • Avelumab
  • B7-H
  • B7H1
  • B7-H1
  • B7H1PDCD1L1
  • CD274 antigenMGC142294
  • CD274 molecule
  • CD274
  • PDCD1L1
  • PDCD1LG1
  • PDCD1LG1MGC142296
  • PDL1
  • PD-L1
  • PD-L1B7 homolog 1
  • PDL1PDCD1 ligand 1
  • programmed cell death 1 ligand 1
  • Programmed death ligand 1

Background

B7-H1, also known as PD-L1 and CD274, is an approximately 65 kDa transmembrane glycoprotein in the B7 family of immune regulatory molecules (1). Mature mouse B7-H1 consists of a 221 amino acid (aa) extracellular domain (ECD) with two immunoglobulin-like domains, a 21 aa transmembrane segment, and a 30 aa cytoplasmic domain (2). Within the ECD, mouse B7-H1 shares 73% and 86% aa sequence identity with human and rat B7-H1, respectively. B7-H1 is expressed on inflammatory-activated immune cells including macrophages, T cells, and B cells (2-5), keratinocytes (6, 7), enothelial and intestinal epithelial cells (6, 8), as well as a variety of carcinomas and melanoma (9, 10). B7-H1 binds to T cell B7-1/CD80 and PD-1 (5, 6, 10-13). It suppresses T cell activation and proliferation (3, 6, 12, 14) and induces the apoptosis of activated T cells (9). It plays a role in the development of immune tolerance by promoting T cell anergy (5, 12) and enhancing regulatory T cell development (14). B7-H1 favors the development of anti-inflammatory IL-10 and IL-22 producing dendritic cells (3, 8) and inhibits the development of Th17 cells (14). In cancer, B7-H1 provides resistance to T cell mediated lysis, enhances EMT, and enhances the tumorigenic function of Th22 cells (4, 7, 10, 13).
  1. Ceeraz, S. et al. (2013) Trends Immunol. 34:556.
  2. Tamura, H. et al. (2001) Blood 97:1809.
  3. Chen, L. et al. (2007) J. Immunol. 178:6634.
  4. Kuang, D.-M. et al. (2014) J. Clin. Invest. 124:4657.
  5. Tsushima, F. et al. (2007) Blood 110:180.
  6. Mazanet, M.M. and C.C.W. Hughes (2002) J. Immunol. 169:3581.
  7. Cao, Y. et al. (2010) Cancer Res. 71:1235.
  8. Scandiuzzi, L. et al. (2014) Cell Rep. 6:625.
  9. Dong, H. et al. (2002) Nat. Med. 8:793.
  10. Azuma, T. et al. (2008) Blood 111:3635.
  11. Butte, M.J. et al. (2008) Mol. Immunol. 45:3567.
  12. Park, J.-J. et al. (2010) Blood 116:1291.
  13. Ritprajak, P. et al. (2010) J. Immunol. 184:4918.
  14. Herold, M. et al. (2015) J. Immunol. 195:3584.

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Publications for PD-L1 (1019-B7)(23)

We have publications tested in 2 confirmed species: Human, Mouse.

We have publications tested in 8 applications: Bioassay, ELISA (Capture), ELISA Capture, ELISA Standard, Enzyme Assay, Flow Cytometry, In Vivo, Surface Plasmon Resonance.


Filter By Application
Bioassay
(12)
ELISA (Capture)
(2)
ELISA Capture
(1)
ELISA Standard
(1)
Enzyme Assay
(1)
Flow Cytometry
(1)
In Vivo
(6)
Surface Plasmon Resonance
(1)
All Applications
Filter By Species
Human
(2)
Mouse
(19)
All Species
Showing Publications 1 - 10 of 23. Show All 23 Publications.
Publications using 1019-B7 Applications Species
Zhong, W;Lu, Y;Han, X;Yang, J;Qin, Z;Zhang, W;Yu, Z;Wu, B;Liu, S;Xu, W;Zheng, C;Schuchter, LM;Karakousis, GC;Mitchell, TC;Amaravadi, R;Flowers, AJ;Gimotty, PA;Xiao, M;Mills, G;Herlyn, M;Dong, H;Mitchell, MJ;Kim, J;Xu, X;Guo, W; Upregulation of exosome secretion from tumor-associated macrophages plays a key role in the suppression of anti-tumor immunity Cell reports 2023-10-07 [PMID: 37805922] (ELISA Standard, Human) ELISA Standard Human
Corria-Osorio J, Carmona SJ, Stefanidis E, Andreatta M, Ortiz-Miranda Y, Muller T, Rota IA, Crespo I, Seijo B, Castro W, Jimenez-Luna C, Scarpellino L, Ronet C, Spill A, Lanitis E, Romero P, Luther SA, Irving M, Coukos G Orthogonal cytokine engineering enables novel synthetic effector states escaping canonical exhaustion in tumor-rejecting CD8+ T cells Nat Immunol. 2023; 24(5): 869–883. 2023-04-20 [PMID: 37081150] (Bioassay, Mouse) Bioassay Mouse
KA Meerschaer, BS Edwards, AY Epouhe, B Jefferson, R Friedman, OL Babyok, JK Moy, F Kehinde, C Liu, CJ Workman, DAA Vignali, KM Albers, HR Koerber, MS Gold, BM Davis, NN Scheff, JL Saloman Neuronally expressed PDL1, not PD1, suppresses acute nociception Brain, Behavior, and Immunity, 2022-09-08;106(0):233-246. 2022-09-08 [PMID: 36089217] (In Vivo, Mouse) In Vivo Mouse
C Martins, M Silva, E Rasbach, P Singh, Y Itoh, JB Williams, E Statham, A Meurer, DV Martinez, A Brandenbur, MV Heppt, SR Barthel, T Schatton Distinct antibody clones detect PD-1 checkpoint expression and block PD-L1 interactions on live murine melanoma cells Scientific Reports, 2022-07-21;12(1):12491. 2022-07-21 [PMID: 35864188] (Bioassay, Mouse) Bioassay Mouse
CM Bryan, GJ Rocklin, MJ Bick, A Ford, S Majri-Morr, AV Kroll, CJ Miller, L Carter, I Goreshnik, A Kang, F DiMaio, KV Tarbell, D Baker Computational design of a synthetic PD-1 agonist Proceedings of the National Academy of Sciences of the United States of America, 2021-07-20;118(29):. 2021-07-20 [PMID: 34272285] (Bioassay, Mouse) Bioassay Mouse
A Thanabalas, AJ Chiang, C Morehouse, M Camara, S Hawkins, AE Keller, AC Koksal, CS Caceres, AA Berlin, N Holoweckyj, VN Takahashi, L Cheng, M de Los Rey, M Pelletier, AC Patera, B Sellman, S Hess, M Marelli, CC Boo, TS Cohen, A DiGiandome PD-L1+ neutrophils contribute to injury-induced infection susceptibility Science Advances, 2021-03-05;7(10):. 2021-03-05 [PMID: 33674305] (Bioassay, Mouse) Bioassay Mouse
A Hanson, K Elpek, E Duong, L Shallberg, M Fan, C Johnson, M Wallace, GR Mabry, S Sazinsky, L Pepper, CJ Shu, S Sathyanara, S Zuerndorfe, T Simpson, M Gostissa, M Briskin, D Law, J Michaelson, CJ Harvey ICOS agonism by JTX-2011 (vopratelimab) requires initial T cell priming and Fc cross-linking for optimal T cell activation and anti-tumor immunity in preclinical models PLoS ONE, 2020-09-24;15(9):e0239595. 2020-09-24 [PMID: 32970735] (Bioassay, Human) Bioassay Human
S Zalba, AM Contreras-, E Martisova, R Debets, C Smerdou, MJ Garrido Quantification of Pharmacokinetic Profiles of PD-1/PD-L1 Antibodies by Validated ELISAs Pharmaceutics, 2020-06-26;12(6):. 2020-06-26 [PMID: 32604843] (ELISA Capture, Mouse) ELISA Capture Mouse
SC Garrett-Th, A Massimi, EV Fedorov, JB Bonanno, L Scandiuzzi, B Hillerich, RD Seidel, JD Love, SJ Garforth, C Guha, SC Almo Mechanistic dissection of the PD-L1:B7-1 co-inhibitory immune complex PLoS ONE, 2020-06-04;15(6):e0233578. 2020-06-04 [PMID: 32497097] (Bioassay, Mouse) Bioassay Mouse
LP Garo, AK Ajay, M Fujiwara, V Beynon, C Kuhn, G Gabriely, S Sadhukan, R Raheja, S Rubino, HL Weiner, G Murugaiyan Smad7 Controls Immunoregulatory PDL2/1-PD1 Signaling in Intestinal Inflammation and Autoimmunity Cell Rep, 2019-09-24;28(13):3353-3366.e5. 2019-09-24 [PMID: 31553906] (In Vivo, Mouse) In Vivo Mouse
Show All 23 Publications.

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Bioinformatics

Gene Symbol Cd274
Uniprot