نتایج جستجو برای: zap70 expression
تعداد نتایج: 872346 فیلتر نتایج به سال:
Chronic lymphocytic leukemia (CLL) is characterized by a highly variable clinical course with 2 extreme subsets: indolent, ZAP70(-) and mutated immunoglobulin heavy chain gene (M-CLL); and aggressive, ZAP70(+) and unmutated immunoglobulin heavy chain (UM-CLL). Given the long-term suspicion of antigenic stimulation as a primum movens in the disease, the role of the B-cell receptor has been exten...
Abstract Aquaporins are a family of ubiquitously expressed transmembrane water channels. We have previously reported that Aquaporin 4 (AQP4) is on T cells and treatment with small molecule AQP4 inhibitor significantly delays cell mediated heart allograft rejection. The goal this study was to identify mechanisms prolonged graft survival following blockade. Stimulation murine WT + AER-270 or −/−T...
B cell chronic lymphocytic leukemia (CLL) is a lymphoproliferative disorder with a variable clinical course. Patients with unmutated IgV(H) gene show a shorter progression-free and overall survival than patients with immunoglobulin heavy chain variable regions (IgV(H)) gene mutated. In addition, BCL6 mutations identify a subgroup of patients with high risk of progression. Gene expression was an...
The T cell, Ig domain, and mucin domain-1 (TIM-1) gene is associated with Th2 T cell responses and human atopic diseases. The mechanism by which TIM-1 influences T cell responses remains unknown. We demonstrate that TIM-1 is recruited to the TCR-signaling complex via association with CD3. TIM-1 up-regulates TCR-associated signaling events, including phosphorylation of Zap70 and IL-2-inducible T...
HIV efficiently spreads in lymphocytes, likely through virological synapses (VSs). These cell-cell junctions share some characteristics with immunological synapses, but cellular proteins required for their constitution remain poorly characterized. We have examined here the role of ZAP-70, a key kinase regulating T-cell activation and immunological synapse formation, in HIV replication. In lymph...
Many hypotheses attempting to explain the speed and sensitivity with which a T-cell discriminates the antigens it encounters include a notion of relative spatial and temporal control of particular biochemical steps involved in the process. An essential step in T-cell receptor (TCR) mediated signalling is the activation of the protein tyrosine kinase ZAP-70. ZAP-70 is recruited to the TCR upon r...
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