نتایج جستجو برای: epsilon
تعداد نتایج: 11049 فیلتر نتایج به سال:
The present study tested the hypothesis that protein kinase C (PKC) epsilon plays a key role in the sex dichotomy of heart susceptibility to ischemia and reperfusion injury in adult offspring resulting from prenatal hypoxic exposure. Time-dated pregnant rats were divided between normoxic and hypoxic (10.5% O(2) on days 15-21 of gestation) groups. Hearts of 3-month-old progeny were subjected to ...
Dimerization in vivo and inhibition of the nonreceptor form of protein tyrosine phosphatase epsilon.
cyt-PTP epsilon is a naturally occurring nonreceptor form of the receptor-type protein tyrosine phosphatase (PTP) epsilon. As such, cyt-PTP epsilon enables analysis of phosphatase regulation in the absence of extracellular domains, which participate in dimerization and inactivation of the receptor-type phosphatases receptor-type protein tyrosine phosphatase alpha (RPTPalpha) and CD45. Using imm...
Several recently published studies showed the existence of an association between the allele epsilon 4 of the apolipoprotein E and Alzheimer's disease (AD) in developed countries. We examined this association in 55 patients with possible or probable AD and 56 elderly controls referred to outpatient clinics at the "Hospital das Clínicas da Faculdade de Medicina da Universidade de São Paulo" and ...
The protein kinase C (PKC) family of proteins plays important roles in growth regulation and is implicated in tumorigenesis. It has become clear that the role of PKC in tumorigenesis is cell context dependent and/or isoform specific. In this study, we showed for the first time by immunohistochemistry that overexpression of PKC epsilon was detected in the vast majority (>90%) of primary human no...
OBJECTIVE The authors conducted a prospective study of neurodegenerative and vascular dementia in Belgium. Strict diagnostic inclusion criteria were used to include well defined patients and controls. The results of apolipoprotein E (APOE) genotype effect on risk and clinical characteristics are presented. METHODS APOE genotyping was performed in patients with probable Alzheimer's disease (AD...
Immunoglobulin (Ig) class switching in B cells is regulated by stimuli transduced by cytokines and cell-cell contact. Among these stimuli, interleukin (IL)-4 has been considered an absolute prerequisite for class switching to IgE in the mouse. Here we report that IL-4-deficient (IL-4-/-) and wildtype mice had comparably elevated serum IgE levels during the course of a murine retrovirus-induced ...
The murine B lymphocyte Fc epsilon R is functionally multivalent. Radiolabeled rat IgE, when bound to the B cell Fc epsilon R will co-isolate with the Fc epsilon R on a rat IgE affinity column; examination of the affinity column eluate by SDS-PAGE reveals the component previously identified as the Fc epsilon R as well as E and L chains from IgE. At low levels of Fc epsilon R saturation, up to 3...
Human rIL-4 is able to induce the expression of low-affinity receptors for IgE (Fc epsilon RL/CD23) on resting B lymphocytes, as determined by the binding of either the anti Fc epsilon RL/CD23-specific mAb 25 or IgE. Stimulation of B cells with insolubilized anti-IgM antibody increases the number of cells expressing Fc epsilon RL/CD23 upon culturing with IL-4 and enhances the level of Fc epsilo...
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