| Description | Tumor necrosis factor receptor superfamily member 9 (TNFRSF9), also known as CD137, ILA or 4-1BB, plays a role in the immunobiology of human cancer where it is preferentially expressed on tumor-reactive subset of tumor-infiltrating lymphocytes. It 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, follicular dendritic cells, natural killer cells, granulocytes and cells of blood vessel walls at sites of inflammation []. It transduces signals that lead to the activation of NF-kappaB, mediated by the TRAF adaptor proteins. CD137 contributes to the clonal expansion, survival, and development of T cells []. It can also induce proliferation in peripheral monocytes, enhance T cell apoptosis induced by TCR/CD3 triggered activation, and regulate CD28 co-stimulation to promote Th1 cell responses. CD137 is modulated by SAHA treatment in breast cancer cells, suggesting that the combination of SAHA with this receptor could be a new therapeutic approach for the treatment of tumors [].Mostly, CD137 in teleosts have not been characterized.This entry represents the N-terminal domain of TNFRSF9/CD137 from teleosts. TNF-receptors are modular proteins. The N-terminal extracellular part contains a cysteine-rich region responsible for ligand-binding. This region is composed of small modules of about 40 residues containing 6 conserved cysteines; the number and type of modules can vary in different members of the family [ , , ]. | Name | Tumor necrosis factor receptor 9, N-terminal, teleost |
| Short Name | TNFRSF9_N_teleost | Type | Domain |
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