TNFR2 belongs to the TNF-receptor superfamily. TNFR2 is receptor with high affinity for TNFSF2/TNF-alpha and approximately 5-fold lower affinity for homotrimeric TNFSF1/lymphotoxin-alpha. TNFR2 mediates the majority of the metabolic effects of TNF-alpha. In addition，knockout studies in mice propose a role for TNFR2 in protecting neurons from apoptosis by stimulating antioxidative pathways. TNFR2 expression might have a significant role in the angiogenesis，tumor cell proliferation and metastasis of Invasive micropapillary carcinoma of the breast.
There are 2 types of soluble TNF receptors: sTNFR-I and sTNFR-II，which act to neutralize the biological activities of TNF alpha and TNF beta. The levels of these soluble receptors seem to increase as a result of shedding of the extracellular domains of the membrane bound receptors. High levels of soluble TNF receptors are found in the amniotic fluid of pregnant women. TNFR2 and TNFR1 form a heterocomplex which mediates the recruitment of 2 anti-apoptotic proteins，c-IAP1 and c-IAP2，which possess E3 ubiquitin ligase activity. IAPs’ function in TNF-receptor signaling is unknown； nevertheless，c-IAP1 is believed to potentiate TNF-induced apoptosis by the ubiquitination and degradation of TNF-receptor-associated factor 2，which mediates anti-apoptotic signals. Oxidative stress promotes TNFR1 and TNFR2 self-interaction，ligand-independent and enhanced ligand-dependent TNF signaling. TNF-a，TNFR1 and TNFR2 have roles in cellular differentiation. TNFR1 and TNFR2 function in cell type-specific renal injury.
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大腸桿菌中重組表達
溶解建議
提供的人2型腫瘤壞死因子受體（TNFR2）產品為過濾滅菌的透明溶液；其中人2型腫瘤壞死因子受體（TNFR2）產品溶解于20mM Tris HCl（pH 8），5mM EDTA，50%甘油溶液中.
