نتایج جستجو برای: slp
تعداد نتایج: 1597 فیلتر نتایج به سال:
The requirements for tonic T-cell receptor (TCR) signaling in CD8(+) memory T-cell generation and homeostasis are poorly defined. The SRC homology 2 (SH2)-domain-containing leukocyte protein of 76 kDa (SLP-76) is critical for proximal TCR-generated signaling. We used temporally mediated deletion of SLP-76 to interrupt tonic and activating TCR signals after clearance of the lymphocytic choriomen...
We introduce the stochastic linear programming (SLP) model classes, which will be considered in this paper, on the basis of a small-scale linear programming problem. The solutions for the various problem formulations are discussed in a comparative fashion. We point out the need for model and solution analysis. Subsequently, we outline the basic ideas of selected major algorithms for two classes...
We present in this study novel findings on TCR-mediated signaling in naive, effector, and memory CD4 T cells that identify critical biochemical markers to distinguish these subsets. We demonstrate that relative to naive CD4 T cells, memory CD4 T cells exhibit a profound decrease in expression of the linker/adapter molecule SLP-76, while effector T cells express normal to elevated levels of SLP-...
Although platelets appear by embryonic day 10.5 in the developing mouse, an embryonic role for these cells has not been identified. The SYK-SLP-76 signaling pathway is required in blood cells to regulate embryonic blood-lymphatic vascular separation, but the cell type and molecular mechanism underlying this regulatory pathway are not known. In the present study we demonstrate that platelets reg...
Social Language Processing (SLP) is introduced as an interdisciplinary approach to assess social features in communications by terrorist organizations and authoritarian regimes. The SLP paradigm represents a rapprochement of theories, tools and techniques from cognitive science, communications, computational linguistics, discourse processing, language studies and social psychology. The SLP para...
OBJECTIVE Retinal nerve fiber layer (RNFL) loss occurs with MS or after optic neuritis. Acute RNFL alterations at presentation and changes over time have not been well documented. We analyzed regional RNFL changes using 2 methods, ocular coherence tomography (OCT) and scanning laser polarimetry (SLP), to study initial edema and early RNFL loss. METHODS 40 subjects with unilateral acute optic ...
OBJECTIVES One-third of practices signing-out to The Children's Hospital Call Center in Denver, Colorado, choose to do second-level physician (SLP) triage for calls judged by the Center to require after-hours referral (AHR). We examined: 1) the effect of SLP triage on the rate of AHRs and 2) reasons for physicians' decisions. DESIGN From January 1998 to August 1998 all calls from patients usi...
The relationship between the binding affinity and specificity of modular interaction domains is potentially important in determining biological signaling responses. In signaling from the T-cell receptor (TCR), the Gads C-terminal SH3 domain binds a core RxxK sequence motif in the SLP-76 scaffold. We show that residues surrounding this motif are largely optimized for binding the Gads C-SH3 domai...
PURPOSE Cancer immunotherapy, such as vaccination, is an increasingly successful treatment modality, but its interaction with chemotherapy remains largely undefined. Therefore, we explored the mechanism of synergy between vaccination with synthetic long peptides (SLP) of human papillomavirus type 16 (HPV16) and cisplatin in a preclinical tumor model for HPV16. EXPERIMENTAL DESIGN SLP vaccinat...
Vaccines delivering T cell immunogen HIVconsv vectored by plasmid DNA, non-replicating simian adenovirus and non-replicating modified vaccinia virus Ankara (MVA) are under clinical evaluation in phase I/IIa trials in UK, Europe, and Africa. While these vaccines aim to induce effector T cell responses specific for HIV-1, we here characterized the humoral responses induced by HIVconsv administrat...
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