tumor-necrosis-factor-(tnf)---receptor
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종양괴사인자(TNF) 및 수용체

Gene cDNA Clone

Sino biological offers a comprehensive set of tools for research on the tumor necrosis factor (TNF) superfamily, including recombinant proteins, antibodies, ELISA kits, and ORF cDNA clones. The tumor necrosis factor (TNF) superfamily of cytokines activate signaling pathways for cell survival, death, and differentiation. Members of the tumor necrosis factor superfamily act through ligand-mediated trimerization, causing recruitment of several intracellular adaptors to activate multiple signal transduction pathways, such as apoptosis, NF-kB pathway, JNK pathway, as well as immune and inflammatory responses.

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종양괴사인자(TNF) 및 수용체

Our Gene Features

Sino biological offers a comprehensive set of tools for research on the tumor necrosis factor (TNF) superfamily, including recombinant proteins, antibodies, ELISA kits, and ORF cDNA clones. The tumor necrosis factor (TNF) superfamily of cytokines activate signaling pathways for cell survival, death, and differentiation. Members of the tumor necrosis factor superfamily act through ligand-mediated trimerization, causing recruitment of several intracellular adaptors to activate multiple signal transduction pathways, such as apoptosis, NF-kB pathway, JNK pathway, as well as immune and inflammatory responses.

종양괴사인자(TNF) 및 수용체 Gene / cDNA Clone Background

The tumor necrosis factor (TNF) superfamily of cytokines activate signaling pathways for cell survival, death, and differentiation. Members of the tumor necrosis factor superfamily act through ligand-mediated trimerization, causing recruitment of several intracellular adaptors to activate multiple signal transduction pathways. Recruitment of death domain (DD) containing adaptors such as Fas associated death domain (FADD) and TNFR associated DD (TRADD) can lead to the activation of a signal transduction pathway that induces apoptosis. While recruitment of TRAF family proteins can lead to the activation of transcription factors such as, NF-kappaB and JNK thereby promoting cell survival and differentiation as well as immune and inflammatory responses.

Inclusion in the tumor necrosis factor ligands and receptors is based on the sequence and structure. The TNF-related ligands are type II transmembrane proteins with an intracellular N-terminus and a ‘TNF homology domain’ (THD) at the extracellular C terminus. The key feature in the receptors is a cysteine-rich domain (CRD) formed of three disulfide bonds surrounding a core motif of CXXCXXC creating an elongated molecule.

Tumor necrosis factor acts via the tumor necrosis factor Receptor (TNFR) and is part of the extrinsic pathway for triggering apoptosis. TNFR is associated with procaspases through adapter proteins (FADD, TRADD, etc.) that can cleave other inactive procaspases and trigger the caspase cascade, irreversibly committing the cell to apoptosis. Research on apoptotic pathways revealed a defect in lysosomal DNA degradation activates macrophages to produce cytokines such as IFNβ and TNF in a Toll-like receptor (TLR)-independent manner. Tumor necrosis factor interacts with tumor cells to trigger cytolysis or cell death. Tumor necrosis factor can also promote inflammatory responses. TNF interact with receptors on endothelial cells, which leads to increased vascular permeability allowing leukocytes access to the site of infection.

In addition to their roles in apoptosis and inflammation, tumor necrosis factors are also involved in other physiological processes. All of the cellular tumor necrosis factor receptors (aside from the decoy receptors) retain the conserved function of activating the family of nuclear factors of κB (NFkB), which controls many genes that regulate cellular differentiation, survival and death. Another discovery is about the orphan tumor necrosis factor receptor, known as TROY, which is critical for axon growth and regeneration. TROY is more specifically expressed in postnatal and adult neurons than nerve growth factor receptor p75. TROY associates with Nogo receptor 1, functionally replacing in the p75/NgR1/LINGO-1 complex.