The antibody recognizes cell surface mouse TNF RI (55 kDa) and exhibits TNF agonist activities. The antibody shows < 5% cross-reactivity with recombinant human TNF sRI and no cross-reactivity with recombinant human TNFsRII.
Immunogen
recombinant mouse TNF soluble receptor I, expressed in Escherichia coli.
Biochem/physiol Actions
The biological effects of tumor necrosis factor soluble factor (TNSF) are mediated by either type I or type II receptors. Type I receptors that are ubiquitously present on all cells whereas type II receptors are expressed only on cells of immune system and endothelial cells. Receptors of TNFSF such as TNFR1 and Fas have their own death domains that activate the apoptosis. Other receptors such as TNFR2 do not have death domains and utilize TNF associated factors (TRAFs) to activate intracellular signaling. The pathways activated via TNFsRI include NF-κB, JNK and MAPK.
Physical form
Lyophilized from a 0.2 μm filtered solution in phosphate buffered saline containing 5% trehalose.
Journal of leukocyte biology, 60(1), 1-7 (1996-07-01)
Receptors in the nerve growth factor/tumor necrosis factor receptor family are characterized by the presence of cysteine-rich motifs of approximately 40 amino acids in the extracellular domain. The ligands are type II transmembrane proteins with beta-strands that form a jelly-roll
Annals of the rheumatic diseases, 59 Suppl 1, i6-16 (2000-10-29)
Tumour necrosis factor (TNF) is a pleiotropic cytokine that mediates apoptosis, cell proliferation, immunomodulation, inflammation, viral replication, allergy, arthritis, septic shock, insulin resistance, autoimmune diseases, and other pathological conditions. TNF transduces these cellular responses through two distinct receptors: type I
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