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The tumor necrosis factor receptor superfamily (TNFRSF) is a protein superfamily of cytokine receptors characterized by the ability to bind tumor necrosis factors (TNFs) via an extracellular cysteine-rich domain. [2] [3] With the exception of nerve growth factor (NGF), all TNFs are homologous to the archetypal TNF-alpha. [4]
CD137, a member of the tumor necrosis factor receptor family, is a type 1 transmembrane protein, expressed on surfaces of leukocytes and non-immune cells. [5] [6] Its alternative names are tumor necrosis factor receptor superfamily member 9 (TNFRSF9), 4-1BB, and induced by lymphocyte activation (ILA).
54106 81897 Ensembl ENSG00000239732 ENSMUSG00000045322 UniProt Q9NR96 Q9EQU3 RefSeq (mRNA) NM_138688 NM_017442 NM_031178 RefSeq (protein) NP_059138 NP_112455 Location (UCSC) Chr 3: 52.22 – 52.23 Mb Chr 9: 106.1 – 106.1 Mb PubMed search Wikidata View/Edit Human View/Edit Mouse Toll-like receptor 9 is a protein that in humans is encoded by the TLR9 gene. TLR9 has also been designated as ...
Tumor necrosis factor ligand superfamily member 9 also known as 4-1BB ligand or 4-1BBL or CD137L is a protein that in humans is encoded by the TNFSF9 gene. [5]4-1BBL is a type 2 transmembrane glycoprotein receptor that is found on APCs (antigen presenting cells) and binds to 4-1BB (also known as CD137).
Tumor necrosis factor (TNF), formerly known as TNF-α, is a chemical messenger produced by the immune system that induces inflammation. [5] TNF is produced primarily by activated macrophages , and induces inflammation by binding to its receptors on other cells. [ 6 ]
The tumor necrosis factor (TNF) superfamily is a protein superfamily of type II transmembrane proteins containing TNF homology domain and forming trimers. Members of this superfamily can be released from the cell membrane by extracellular proteolytic cleavage and function as a cytokine .
Individuals with TRAPS have a mutation in the tumor necrosis factor receptor-1 (TNFR1) gene; [11] the mechanisms by which mutations in TNFR1 lead to the TRAPS phenotype are still unknown. Impaired shedding of the TNF receptor is one of the possible defects, most mutations affect the extracellular domain of the receptor, some also the cleavage site.
Lymphotoxin alpha, a member of the tumor necrosis factor superfamily, is a cytokine produced by lymphocytes. LT-α 1-β 2 can interact with receptors such as LT-β receptors. [12] Absence of LT-β on cell surfaces will diminish the ability of LT-α to form LT-α 1-β 2, thus decreasing its effective ability as a cytokine.