B7-2/CD86 Antibody (37301) [Unconjugated]


Recombinant Human B7‑2/CD86 Fc Chimera induces IL‑2 secretion in the Jurkat human acute T cell leukemia cell line in a dose-dependent manner (orange line), as measured by the Human IL-2 Quantikine kit (Catalog # ...read more
Human peripheral blood monocytes were stained with Mouse Anti-Human CD14 PE‑conjugated Monoclonal Antibody (Catalog # FAB3832P) and either (A) Mouse Anti-Human B7‑2/CD86 Monoclonal Antibody (Catalog # MAB141) or (B) ...read more
Genetic Strategies: Western blot shows lysates of Ramos human Burkitt's lymphoma parental cell line and B7-2/CD86 knockout Ramos cell line (KO). PVDF membrane was probed with 5 µg/mL of Mouse Anti-Human ...read more
Human Ramos lymphoma cell line was stained with Mouse Anti-Human B7Formatting the figure legends (adjusted HTML for better linewrapping). Onlyapplies to the website insert.2/CD86 Monoclonal Antibody (Catalog # MAB141, ...read more
B7‑2/CD86 knockout Ramos human lymphoma cell line was stained with Mouse Anti-Human B7‑2/CD86 Monoclonal Antibody (Catalog # MAB141, filled histogram) or isotype control antibody (Catalog # MAB002, open ...read more
Western blot shows lysates of Daudi human Burkitt's lymphoma cell line. PVDF membrane was probed with 5 µg/mL of Mouse Anti-Human B7‑2/CD86 Monoclonal Antibody (Catalog # MAB141) followed by HRP-conjugated ...read more

Product Details

Reactivity HuSpecies Glossary
Applications WB, Flow, B/N, CyTOF-ready, KO
Validated by:

Genetic Strategies


Order Details

B7-2/CD86 Antibody (37301) [Unconjugated] Summary

S. frugiperda insect ovarian cell line Sf 21-derived recombinant human B7‑2/CD86
Accession # P42081
Detects human B7‑2/CD86 in direct ELISAs and Western blots. In direct ELISAs, no cross-reactivity with recombinant human (rh) B7-1, recombinant mouse B7-2, recombinant rat B7-2, rhB7-H1, rhB7-H2, rhB7-H3, rhB7-H3b, rhB7-H4, or rhB7-L2 is observed.
Details of Functionality
ActivityAssaywCitation not found None None None None
Endotoxin Note
<0.10 EU per 1 μg of the antibody by the LAL method.
Innovator's Reward
Test in a species/application not listed above to receive a full credit towards a future purchase.


  • Western Blot 5 ug/mL
  • Flow Cytometry 0.25 ug/10^6 cells
  • CyTOF-ready
  • Knockout Validated
  • Neutralization 0.5-2.5 ug/mL
Read Publications using
MAB141 in the following applications:

Packaging, Storage & Formulations

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.
  • 6 months, -20 to -70 °C under sterile conditions after reconstitution.
Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose. *Small pack size (SP) is supplied as a 0.2 µm filtered solution in PBS.
No Preservative
Reconstitution Instructions
Reconstitute at 0.5 mg/mL in sterile PBS.


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

Alternate Names for B7-2/CD86 Antibody (37301) [Unconjugated]

  • Activation B7-2 antigen
  • B70
  • B7-2 antigen
  • B72
  • B7-2
  • B-lymphocyte activation antigen B7-2
  • BU63
  • CD28 antigen ligand 2
  • CD28LG2B7-2 antigen)
  • CD86 antigen
  • CD86 molecule
  • CD86
  • CTLA-4 counter-receptor B7.2
  • FUN-1
  • LAB72
  • MGC34413
  • T-lymphocyte activation antigen CD86


B7-1 and B7-2, together with their receptors CD28 and CTLA-4, constitute one of the dominant costimulatory pathways that regulate T- and B-cell responses. Although both CTLA-4 and CD28 can bind to the same ligands, CTLA-4 binds to B7-1 and B7-2 with a 20‑100 fold higher affinity than CD28 and is involved in the down‑regulation of the immune response. B7-1 is expressed on activated B cells, activated T cells, and macrophages. B7-2 is constitutively expressed on interdigitating dendritic cells, Langerhans cells, peripheral blood dendritic cells, memory B cells, and germinal center B cells. Additionally, B7-2 is expressed at low levels on monocytes and can be up-regulated through interferon gamma. B7-1 and B7-2 are both members of the immunoglobulin superfamily. Human B7-2 is a 329 amino acid (aa) protein containing a putative 23 aa signal peptide, a 224 aa extracellular domain, a 21 aa transmembrane domain, and a 61 aa cytoplasmic domain. Human B7-2 and B7-1 share 26% amino acid identity. Human and mouse B7-2 share 50% amino acid identity. However, it has been observed that both human and mouse B7‑1 and B7‑2 can bind to either human or mouse CD28 and CTLA-4, suggesting that there are conserved amino acids which form the B7-1/B7-2/CD28/CTLA-4 critical binding sites.

  1. Azuma, M. et al. (1993) Nature 366:76.
  2. Freeman, G.J. et al. (1993) Science 262:909.
  3. Freeman, G. et al. (1991) J. Exp. Med. 174:625.
  4. Selvakumar, A. et al. (1993) Immunogenetics 38:292.
  5. Chen, C. et al. (1994) J. Immunol. 152:4929.
  6. Freeman, G.J. et al. (1993) J. Exp. Med. 178:2185.


This product is for research use only and is not approved for use in humans or in clinical diagnosis. Primary Antibodies are guaranteed for 1 year from date of receipt.

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Publications for B7-2/CD86 Antibody (MAB141)(11)

We have publications tested in 1 confirmed species: Human.

We have publications tested in 5 applications: ELISA Development, Flow Cytometry, Functional Assay, ICC, Neutralization.

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Showing Publications 1 - 10 of 11. Show All 11 Publications.
Publications using MAB141 Applications Species
J Li, SQ Xu, YM Zhao, S Yu, LH Ge, BH Xu Comparison of the biological characteristics of human mesenchymal stem cells derived from exfoliated deciduous teeth, bone marrow, gingival tissue, and umbilical cord Mol Med Rep, 2018;0(0):. 2018 [PMID: 30272340] (Flow Cytometry, Human) Flow Cytometry Human
S He, C Wu, J Xiao, D Li, Z Sun, M Li Endothelial extracellular vesicles modulate the macrophage phenotype: Potential implications in atherosclerosis Scand. J. Immunol., 2018;0(0):. 2018 [PMID: 29465752] (Flow Cytometry, Human) Flow Cytometry Human
Xun Qu Human trophoblast cells induced MDSCs from peripheral blood CD14(+) myelomonocytic cells via elevated levels of CCL2 Cell. Mol. Immunol., 2016;13(5):615-27. 2016 [PMID: 26027727] (Flow Cytometry, Human) Flow Cytometry Human
Mao C, Mou X, Zhou Y, Yuan G, Xu C, Liu H, Zheng T, Tong J, Wang S, Chen D Tumor-activated TCRgammadelta(+) T cells from gastric cancer patients induce the antitumor immune response of TCRalphabeta(+) T cells via their antigen-presenting cell-like effects. J Immunol Res, 2014;2014(0):593562. 2014 [PMID: 24741609] (Functional Assay, Human) Functional Assay Human
Cavel O, Shomron O, Shabtay A, Vital J, Trejo-Leider L, Weizman N, Krelin Y, Fong Y, Wong R, Amit M, Gil Z Endoneurial macrophages induce perineural invasion of pancreatic cancer cells by secretion of GDNF and activation of RET tyrosine kinase receptor. Cancer Res, 2012;72(22):5733-43. 2012 [PMID: 22971345] (ICC, Human) ICC Human
ICOS-LICOS interaction is critically involved in TGN1412-mediated T-cell activation. Blood, 2012;119(26):6268-77. 2012 [PMID: 22577174] (Neutralization, Human) Neutralization Human
Tso GH, Law HK, Tu W Phagocytosis of apoptotic cells modulates mesenchymal stem cells osteogenic differentiation to enhance IL-17 and RANKL expression on CD4+ T cells. Stem Cells, 2010;28(5):939-54. 2010 [PMID: 20222014] (Neutralization, Human) Neutralization Human
El Fakhry Y, Alturaihi H, Diallo D, Merhi Y, Mourad W Critical role of lipid rafts in CD154-mediated T cell signaling. Eur. J. Immunol., 2010;40(3):770-9. 2010 [PMID: 20039299] (Flow Cytometry, Human) Flow Cytometry Human
van der Vliet HJ, Wang R, Yue SC, Koon HB, Balk SP, Exley MA Circulating myeloid dendritic cells of advanced cancer patients result in reduced activation and a biased cytokine profile in invariant NKT cells. J. Immunol., 2008;180(11):7287-93. 2008 [PMID: 18490728] (Neutralization, Human) Neutralization Human
Sakthivel P, Shively V, Kakoulidou M The soluble forms of CD28, CD86 and CTLA-4 constitute possible immunological markers in patients with abdominal aortic aneurysm. J. Intern. Med., 2007;261(4):399-407. 2007 [PMID: 17391115] (ELISA Development, Human) ELISA Development Human
Show All 11 Publications.

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CD86 - I work in tandem with CD80
CD86 belongs to the immunoglobulin superfamily of proteins that drive innate and adaptive immune responses. It is an 80kD co-stimulatory molecule for the priming and activation of naive and memory T-cells, respectively. CD86 is expressed on activated...  Read full blog post.

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Gene Symbol CD86