نتایج جستجو برای: tnfrsf1b
تعداد نتایج: 124 فیلتر نتایج به سال:
BACKGROUND Tumor necrosis factor (TNF) and TNF receptor superfamily (TNFR)-mediated immune response play an essential role in the pathogenesis of severe sepsis. Studies examining associations of TNF and lymphotoxin-α (LTA) single nucleotide polymorphisms (SNPs) with severe sepsis have produced conflicting results. The objective of this study was to investigate whether genetic variation in TNF, ...
The major evolutionary advance represented in the human immune system is a mechanism of antigen-directed immunity in which tumor necrosis factor (TNF)-α and TNF receptors (TNFRs) play essential roles. Binding of TNF-α to the 55-kDa type I TNFR (TNFR1, TNFRSF1A, CD120a, p55) or the 75-kDa type II TNFR (TNFR2, TNFRSF1B, CD120b, p75) activates signaling pathways controlling inflammatory, immune an...
In human hypertension (HT) plasma tumor necrosis factor (TNF-alpha) and soluble TNF receptor 2 fragment (sTNF-R2) are increased, and the TNF-R2 gene (TNFRSF1B) has been implicated. Therefore, we measured Tnfr2 mRNA in kidney, adrenal, heart, and aorta from rats with ACTH-induced, corticosterone-induced, and spontaneous HT (SHR), and tested the effect of blockade of TNF-alpha by a recombinant TN...
Endotoxin tolerance is characterized by the suppression of further TNF release upon recurrent exposure to LPS. This phenomenon is proposed to act as a homeostatic mechanism preventing uncontrolled cytokine release such as that observed in bacterial sepsis. The regulatory mechanisms and interindividual variation of endotoxin tolerance induction in man remain poorly characterized. In this paper, ...
PURPOSE. Tumor necrosis factor alpha (TNF)contributes to inflammation-associated angiogenesis. This study investigates the role of TNFreceptors 1a and 1b in the development of choroidal neovascularization (CNV). METHODS. CNV was induced in Tnfrsf1a / and Tnfrsf1b / mice with C57Bl6/J background and their wild-type (WT) (C57Bl/6J) controls by laser damage to the Bruch’s membrane. TNFexpression i...
The 60 kDa tumor necrosis factor receptor (TNFR60) is regarded as the major signal transducer of TNF-induced cellular responses, whereas the signal capacity and role of the 80 kDa TNFR (TNFR80) remain largely undefined. We show here that the transmembrane form of TNF is superior to soluble TNF in activating TNFR80 in various systems such as T cell activation, thymocyte proliferation, and granul...
Adherence to a Mediterranean diet (MD) is associated with a reduced risk of coronary heart disease. However, the molecular mechanisms involved are not fully understood. The aim of this study was to compare the effects of 2 MD with those of a low-fat-diet (LFD) on circulating inflammatory biomarkers related to atherogenesis. A total of 516 participants included in the Prevention with Mediterrane...
We investigated the potential role of the 75 kD receptor for tumor necrosis factor-alpha (TNF-alpha) (TNFRSF1B, located on chromosome 1 band p36.2) as a modifier gene in familial combined hyperlipidemia (FCH), based on previous linkage and association data. Age-corrected values for the soluble (s) extracellular domain of TNF-R p75 were lower in 156 well-characterized hyperlipidemic (HL) FCH rel...
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