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{{About|the molecule|the compilation album|CD86 (album)}}
{{About|the molecule|the compilation album|CD86 (album)}}
{{PBB|geneid=942}}
{{PBB|geneid=942}}
'''Cluster of Differentiation 86''' (also known as '''CD86''' and '''B7-2''') is a [[protein]] expressed on [[antigen-presenting cells]] that provides costimulatory signals necessary for [[T cell]] activation and survival. It is the [[ligand (biochemistry)|ligand]] for two different proteins on the T cell surface: [[CD28]] (for autoregulation and intercellular association) and [[CTLA-4]] (for attenuation of regulation and cellular disassociation). CD86 works in tandem with [[CD80]] to prime T cells.
'''Cluster of Differentiation 86''' (also known as '''CD86''' and '''B7-2''') is a [[protein]] expressed on [[antigen-presenting cells]] that provides [[co-stimulation|costimulatory signals]] necessary for [[T cell]] activation and survival. It is the [[ligand (biochemistry)|ligand]] for two different proteins on the T cell surface: [[CD28]] (for autoregulation and intercellular association) and [[CTLA-4]] (for attenuation of regulation and cellular disassociation). CD86 works in tandem with [[CD80]] to prime T cells.


The ''CD86'' [[gene]] encodes a type I membrane protein that is a member of the [[immunoglobulin]] superfamily.<ref name="pmid7513726">{{cite journal | author = Chen C, Gault A, Shen L, Nabavi N | title = Molecular cloning and expression of early T cell costimulatory molecule-1 and its characterization as B7-2 molecule | journal = J. Immunol. | volume = 152 | issue = 10 | pages = 4929–36 | year = 1994 | month = May | pmid = 7513726 | doi = | url = | issn = }}</ref> [[Alternative splicing]] results in two transcript variants encoding different [[protein isoform|isoform]]s. Additional transcript variants have been described, but their full-length sequences have not been determined.<ref>{{cite web | title = Entrez Gene: CD86 CD86 molecule| url = http://www.ncbi.nlm.nih.gov/sites/entrez?Db=gene&Cmd=ShowDetailView&TermToSearch=942| accessdate = }}</ref>
The ''CD86'' [[gene]] encodes a type I membrane protein that is a member of the [[immunoglobulin]] superfamily.<ref name="pmid7513726">{{cite journal | author = Chen C, Gault A, Shen L, Nabavi N | title = Molecular cloning and expression of early T cell costimulatory molecule-1 and its characterization as B7-2 molecule | journal = J. Immunol. | volume = 152 | issue = 10 | pages = 4929–36 | year = 1994 | month = May | pmid = 7513726 | doi = | url = | issn = }}</ref> [[Alternative splicing]] results in two transcript variants encoding different [[protein isoform|isoform]]s. Additional transcript variants have been described, but their full-length sequences have not been determined.<ref>{{cite web | title = Entrez Gene: CD86 CD86 molecule| url = http://www.ncbi.nlm.nih.gov/sites/entrez?Db=gene&Cmd=ShowDetailView&TermToSearch=942| accessdate = }}</ref>

Revision as of 23:25, 14 February 2012

Template:PBB Cluster of Differentiation 86 (also known as CD86 and B7-2) is a protein expressed on antigen-presenting cells that provides costimulatory signals necessary for T cell activation and survival. It is the ligand for two different proteins on the T cell surface: CD28 (for autoregulation and intercellular association) and CTLA-4 (for attenuation of regulation and cellular disassociation). CD86 works in tandem with CD80 to prime T cells.

The CD86 gene encodes a type I membrane protein that is a member of the immunoglobulin superfamily.[1] 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.[2]

Clinical significance

CD86+ macrophages in Hodgkin lymphoma patients are an independent marker for potential nonresponse to firstline-therapy.[3]

See also

References

  1. ^ Chen C, Gault A, Shen L, Nabavi N (1994). "Molecular cloning and expression of early T cell costimulatory molecule-1 and its characterization as B7-2 molecule". J. Immunol. 152 (10): 4929–36. PMID 7513726. {{cite journal}}: Unknown parameter |month= ignored (help)CS1 maint: multiple names: authors list (link)
  2. ^ "Entrez Gene: CD86 CD86 molecule".
  3. ^ Steidl C, Lee T, Shah SP, Farinha P, Han G, Nayar T, Delaney A, Jones SJ, Iqbal J, Weisenburger DD, Bast MA, Rosenwald A, Muller-Hermelink HK, Rimsza LM, Campo E, Delabie J, Braziel RM, Cook JR, Tubbs RR, Jaffe ES, Lenz G, Connors JM, Staudt LM, Chan WC, Gascoyne RD (2010). "Tumor-associated macrophages and survival in classic Hodgkin's lymphoma". N. Engl. J. Med. 362 (10): 875–85. doi:10.1056/NEJMoa0905680. PMC 2897174. PMID 20220182. {{cite journal}}: Unknown parameter |month= ignored (help)CS1 maint: multiple names: authors list (link)

Further reading

This article incorporates text from the United States National Library of Medicine, which is in the public domain.