CD137

TNFRSF9
Available structures
PDBOrtholog search: PDBe RCSB
Identifiers
Aliases TNFRSF9, 4-1BB, CD137, CDw137, ILA, tumor necrosis factor receptor superfamily member 9
External IDs OMIM: 602250 MGI: 1101059 HomoloGene: 1199 GeneCards: TNFRSF9
RNA expression pattern


More reference expression data
Orthologs
Species Human Mouse
Entrez

3604

21942

Ensembl

ENSG00000049249

ENSMUSG00000028965

UniProt

Q07011

P20334

RefSeq (mRNA)

NM_001561

NM_001077508
NM_001077509
NM_011612

RefSeq (protein)

NP_001552.2

NP_001070977.1
NP_035742.1

Location (UCSC) Chr 1: 7.92 – 7.94 Mb Chr 4: 150.91 – 150.95 Mb
PubMed search [1] [2]
Wikidata
View/Edit HumanView/Edit Mouse

CD137 is a member of the tumor necrosis factor (TNF) receptor family. Its alternative names are tumor necrosis factor receptor superfamily member 9 (TNFRSF9), 4-1BB and induced by lymphocyte activation (ILA). It is currently of interest to immunologists as a co-stimulatory immune checkpoint molecule.

Expression

CD137 can be expressed by activated T cells, but to a larger extent on CD8 than on CD4 T cells. In addition, CD137 expression is found on dendritic cells, B cells, follicular dendritic cells, natural killer cells, granulocytes and cells of blood vessel walls at sites of inflammation.

Specific effects on cells

The best characterized activity of CD137 is its costimulatory activity for activated T cells. Crosslinking of CD137 enhances T cell proliferation, IL-2 secretion, survival and cytolytic activity. Further, it can enhance immune activity to eliminate tumors in mice.

Interactions

CD137 has been shown to interact with TRAF2.[3][4]

As a drug target

Utomilumab

Utomilumab (PF-05082566) targets this receptor to stimulate a more intense immune system attack on cancers.[5] It is a fully human IgG2 monoclonal antibody.[6] It is in early clinical trials.[5] As of June 2016 5 clinical trials are active.[7]

See also

References

Further reading

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