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TNF-alpha: Products

Tumor necrosis factor alpha (TNF-α), also known as cachectin and TNFSF2, is the prototypic ligand of the TNF superfamily. It is a pleiotropic molecule that plays a central role in inflammation, apoptosis, and immune system development. TNF-α is produced by a wide variety of immune and epithelial cell types. Human TNF-α consists of a 35 amino acid (aa) cytoplasmic domain, a 21 aa transmembrane segment, and a 177 aa extracellular domain (ECD). Within the ECD, human TNF-α shares 97% aa sequence identity with rhesus and 71% - 92% with bovine, canine, cotton rat, equine, feline, mouse, porcine, and rat TNF-α. The 26 kDa type 2 transmembrane protein is assembled intracellularly to form a noncovalently linked homotrimer. Ligation of this complex induces reverse signaling that promotes lymphocyte costimulation but diminishes monocyte responsiveness.

Cleavage of membrane bound TNF-α by TACE/ADAM17 releases a 55 kDa soluble trimeric form of TNF-α. TNF-α trimers bind the ubiquitous TNF RI and the hematopoietic cell-restricted TNF RII, both of which are also expressed as homotrimers. TNF-α regulates lymphoid tissue development through control of apoptosis. It also promotes inflammatory responses by inducing the activation of vascular endothelial cells and macrophages. TNF-α is a key cytokine in the development of several inflammatory disorders. It contributes to the development of type 2 diabetes through its effects on insulin resistance and fatty acid metabolism.

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Mouse TNF-alpha ELISpot Development Module, 5 Plate

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SEL410

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Mouse TNF-alpha ELISpot Kit

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EL410

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Mouse TNF-alpha ELISpot SixPak (6 Plates)

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XEL410

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Porcine TNF-alpha ELISpot Development Module, 5 Plate

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SEL690

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Primate TNF-alpha ELISpot Development Module, 5 Plate

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SEL1070

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Human TNF-alpha ELISpot Development Module, 5 Plate

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SEL210

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Canine TNF-alpha ELISpot Development Module, 5 Plate

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SEL1507

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Equine TNF-alpha ELISpot Development Module, 5 Plate

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SEL1814

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Rat TNF-alpha ELISpot Development Module, 5 Plate

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SEL510

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