نتایج جستجو برای: fc epsilon ri
تعداد نتایج: 40182 فیلتر نتایج به سال:
BACKGROUND Appropriate long-term drinking of red wine is associated with a reduced risk of cardiovascular disease. Resveratrol, a well-known SIRT1 activator is considered to be one of the beneficial components contained in red wine, and also developed as a drug candidate. We previously demonstrated that resveratrol protects brain against ischemic stroke in mice through a PPARalpha-dependent mec...
Mammalian spermatozoa undergo capacitation and acrosome reaction in order to fertilize the egg. The PKC-ERK1/2 pathway plays an important role in human spermatozoa motility, capacitation and the acrosome reaction. Here we demonstrate that ERK1/2 phosphorylates proAKAP4 on Thr265 in human spermatozoa in vitro and in vivo. Cyclic AMP (cAMP) had no effect on ERK1/2 activity in human spermatozoa, b...
After in vitro treatment of bacteriophage T4 with hydroxylamine (HA), 54 nonsense mutants in the rII A cistron were isolated. These mutants were characterized by growth on suppressor strains of Escherichia coli, and the mutational sites were mapped in the rII A cistron. Twenty-five (9 sites) were amber (UAG), 20 (6 sites) were opal (UGA), and 9 (6 sites) were ochre (UAA). Mapping experiments fu...
The objective of the current study was to investigate for the first time and simultaneously the oxidative stress and inflammatory signaling induced during the delivery in healthy mothers and their neonates. 56 mothers with normal gestational course and spontaneous delivery were selected. Blood samples were taken from mother (before and after delivery) both from vein and artery of umbilical cord...
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Aggregation of the high-affinity immunoglobulin E (IgE) receptor (Fc RI) on mast cells induces a number of biochemical events, including protein-tyrosine phosphorylation leading to degranulation and multiple cytokine gene transcription. Here, we have demonstrated that a second member of the Cbl family of ubiquitinprotein ligase Cbl-b translocates into the lipid raft after Fc RI engagement. Over...
Murine monoclonal IgE interacts with B cells of BALB/c mouse spleen with greater efficiency in the presence of its specific antigen. Complexes of anti-DNP IgE and DNP-OVA not only resist elution from B lymphocytes by acid but have a substantially longer dissociation half-time when compared with monomeric IgE (440 vs. 8 min, respectively). Further, these IgE-antigen complexes induce Fc epsilon R...
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