نتایج جستجو برای: auto reactive cell
تعداد نتایج: 1821202 فیلتر نتایج به سال:
Current treatments for rheumatoid arthritis (RA) do not reverse underlying aberrant immune function. A genetic predisposition to RA, such as HLA-DR4 positivity, indicates that dendritic cells (DC) are of crucial importance to pathogenesis by activating auto-reactive lymphocytes. Here we show that microRNA-34a provides homoeostatic control of CD1c+ DC activation via regulation of tyrosine kinase...
Crry (complement receptor 1-related protein/gene y) is a key cellular complement regulator in rodents. It is also present in Fx1A, the renal tubular preparation used to immunize rats to induce active Heymann nephritis (HN), a model of membranous nephropathy. We hypothesized that rats immunized with anti-Fx1A develop autoantibodies (auto-Abs) to Crry as well as to the megalin-containing HN antig...
The multi-subunit NADPH oxidase complex plays a crucial role in host defense against microbial infection through the production of reactive oxygen species. Activation of the NADPH oxidase requires the targeting of a cytoplasmic p40-p47-p67(phox) complex to the membrane bound heterodimeric p22-gp91(phox) flavocytochrome. This interaction is prevented in the resting state due to an auto-inhibited...
Bone tissue engineering approaches increasingly focus on the use of mesenchymal stem cells (MSC). In most animal transplantation models MSC are isolated and expanded before auto cell transplantation which might be critical for clinical application in the future. Hence this study compares the potential of directly auto-transplanted versus in vitro expanded MSC with or without bone morphogenetic ...
Low nocturnal oxygen saturation (SpO(2)) is implicated in complications of Sickle Cell Anemia (SCA). Twenty-four children with SCA were randomized to receive overnight auto-adjusting continuous positive airway pressure (auto-CPAP) with supplemental oxygen, if required, to maintain SpO(2) >or=94% or as controls. We assessed adherence, safety, sleep parameters, cognition and pain. Twelve particip...
The lattice contribution to thermal conductivity of single-walled carbon nanotubes with three different screw symmetry (chirality) is studied using the Green–Kubo relation from linear response theory and molecular dynamics based thermal current auto-correlation functions. The interactions between carbon atoms are analyzed using the Adaptive Intermolecular Reactive Empirical Bond Order (AIREBO) ...
Aberrant inhibition of B-cell receptor (BCR)-induced programmed cell death pathways is frequently associated with the development of human auto-reactive B-cell lymphomas. Here, we integrated loss-of-function, genomic, and bioinformatics approaches for the identification of oncogenic mechanisms linked to the inhibition of BCR-induced clonal deletion pathways in human B-cell lymphomas. Lentiviral...
A decline in immune responsiveness with age has been well documented (1-10). It is known that the B cell function of aged mice is relatively more intact than T cell function, at least quantitatively. Qualitative differences in B cell function do exist, including a decreased affinity of antibody produced by cells from old mice (3) and an enhanced tendency to produce autoantibodies (1). In a prev...
For a large number of T cell-mediated immunopathologies, the disease-related antigens are not yet identified. Identification of T cell epitopes is of crucial importance for the development of immune-intervention strategies. We show that CD4+ T cell epitopes can be defined by using a new system for synthesis and screening of synthetic peptide libraries. These libraries are designed to bind to th...
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