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- Tel: 858.663.9055
- Email: info@nsjbio.com
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TNF Receptor 1 Antibody / TNFRSF1A Polyclonal Antibody recognizes tumor necrosis factor receptor superfamily member 1A (TNFRSF1A), also known as TNFR1, CD120a, or p55 TNF receptor. TNFR1 is a widely expressed transmembrane receptor that mediates cellular responses to tumor necrosis factor alpha (TNF alpha), a cytokine involved in inflammation, immune defense, and tissue homeostasis. As a member of the TNF receptor superfamily, TNFR1 contains extracellular cysteine-rich domains responsible for ligand binding and an intracellular death domain that coordinates signaling pathways controlling inflammation, cell survival, and programmed cell death.
TNF alpha binding promotes the assembly of a membrane-associated signaling complex containing TRADD, RIPK1, TRAF2, and cellular inhibitor of apoptosis proteins. This complex facilitates activation of NF-kappaB and MAPK signaling pathways, leading to the expression of inflammatory mediators, cytokines, chemokines, and proteins that regulate cellular survival. Ubiquitination of RIPK1 plays an important role in organizing these signaling events, while deubiquitinating enzymes and other regulatory proteins influence the duration and outcome of receptor activation.
TNFR1 signaling can also initiate programmed cell death when cellular conditions favor the formation of cytoplasmic death-inducing complexes. Recruitment of FADD and activation of caspase-8 promote extrinsic apoptosis, whereas inhibition of caspase-8 can permit RIPK1- and RIPK3-dependent necroptosis through activation of MLKL. Receptor internalization, proteolytic shedding, and intracellular trafficking further influence TNFR1 activity. Cleavage of the extracellular domain generates soluble TNFR1, which can bind TNF alpha and modulate cytokine availability and inflammatory signaling.
TNFRSF1A has been implicated in autoimmune disease, chronic inflammation, neurodegeneration, and tissue injury. Pathogenic variants in the TNFRSF1A gene cause TNF receptor-associated periodic syndrome (TRAPS), an inherited autoinflammatory disorder characterized by recurrent inflammatory episodes. TNFR1 also contributes to tumor biology, where TNF alpha signaling may influence cancer cell survival, inflammatory responses, and interactions within the tumor microenvironment. Research involving TNF Receptor 1 Antibody can help characterize receptor expression in relation to cytokine-mediated inflammation, NF-kappaB signaling, apoptotic regulation, and necroptotic cell death.
Explore our TNFR1 Antibody (R32696) for additional research into TNF receptor signaling, inflammation, and programmed cell death, with Western blot validation using HeLa wild-type and TNFRSF1A knockout cell lysates.
Optimal dilution of the TNF Receptor 1 Antibody / TNFRSF1A Polyclonal Antibody should be determined by the researcher.
Amino acids I22-T211 from the human protein were used as the immunogen for the TNF Receptor antibody.
After reconstitution, the TNF Receptor antibody can be stored for up to one month at 4oC. For long-term, aliquot and store at -20oC. Avoid repeated freezing and thawing.
TNFR1 antibody, TNFRSF1A antibody, TNF Receptor I antibody, Tumor Necrosis Factor Receptor 1 antibody, CD120a antibody, p55 TNF Receptor antibody, TNFR55 antibody, TNF-R1 antibody, TNFRI antibody, TNF Receptor Type 1 antibody
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