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CD86 molecule
ProteinQ5009846· pop 12· linked from 407 articles

CD86 molecule

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Also known as B-lymphocyte activation antigen B7-2, FUN-1, BU63, T-lymphocyte activation antigen CD86, Activation B7-2 antigen, B70, CD86, CD86 antigen (CD28 antigen ligand 2, B7-2 antigen)

Cluster of Differentiation 86 (also known as CD86 and B7-2) is a protein constitutively expressed on dendritic cells, Langerhans cells, macrophages, B-cells (including memory B-cells), and on other antigen-presenting cells. Along with CD80, CD86 provides costimulatory signals necessary for T cell activation and survival. Depending on the ligand bound, CD86 can signal for self-regulation and cell-cell association, or for attenuation of regulation and cell-cell disassociation.

Protein · UniProt

T-lymphocyte activation antigen CD86

Gene
CD86
Organism
Homo sapiens (Human)
Length
329 aa
Molecular mass
37,682 Da
Evidence
1: Evidence at protein level

Costimulatory molecule that belongs to the immunoglobulin superfamily that plays an important role in T-lymphocyte activation (PubMed:12196291, PubMed:7694363). Acts as the primary auxiliary signal augmenting the MHC/TCR signal in naive T-cells by acting as a ligand for the CD28 receptor which is constitutively expressed on the cell surface of T-cells (PubMed:12196291, PubMed:7694363). May play a critical role in the early events of T-cell activation and costimulation of naive T-cells, such as deciding between immunity and anergy that is made by T-cells within 24 hours after activation (Pub…

3D-structureAdaptive immunityAlternative splicingCell membraneDisulfide bondGlycoproteinHost cell receptor for virus entryHost-virus interaction
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Swiss-Prot (reviewed) · via UniProt

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Commons category
CD86
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~7 min read

Article

8 sections
Contents
  • Structure
  • Role in co-stimulation, T-cell activation and inhibition
  • Treg mediation
  • Role in pathology
  • See also
  • References
  • External links
  • Further reading

Cluster of Differentiation 86 (also known as CD86 and B7-2) is a protein constitutively expressed on dendritic cells, Langerhans cells, macrophages, B-cells (including memory B-cells), and on other antigen-presenting cells. Along with CD80, CD86 provides costimulatory signals necessary for T cell activation and survival. Depending on the ligand bound, CD86 can signal for self-regulation and cell-cell association, or for attenuation of regulation and cell-cell disassociation.

The CD86 gene encodes a type I membrane protein that is a member of the immunoglobulin superfamily. Alternative splicing results in two transcript variants encoding different isoforms. Additional transcript variants have been described, but their full-length sequences have not been determined.

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