نتایج جستجو برای: cd69
تعداد نتایج: 1672 فیلتر نتایج به سال:
In Response: We respectfully disagree with some of the issues raised by Reiter et al. that imply that epidermal growth factor receptor–related protein (ERRP) lacks therapeutic value. Our studies show the pan-erbB inhibitory nature of ERRP, which inhibits the growth of human colonand pancreatic cell-derived tumors (1, 2). Although the genetic identity of human ERRP is not known, reverse transcri...
The determinants of HIV-1-associated lymphadenopathy are poorly understood. We hypothesized that lymphocytes could be sequestered in the HIV-1+ lymph node (LN) through impairments in sphingosine-1-phosphate (S1P) responsiveness. To test this hypothesis, we developed novel assays for S1P-induced Akt phosphorylation and actin polymerization. In the HIV-1+ LN, naïve CD4 T cells and central memory ...
B-cell chronic lymphocytic leukemia (B-CLL) is considered an accumulative disease of antigen-naive CD5(+) B lymphocytes that circulate in the resting state. However, to evaluate the possibility that B-CLL cells resemble antigen-experienced and activated B cells, we analyzed the expression of markers of cellular activation and differentiation on CD5(+)CD19(+) cells from B-CLL patients and from a...
BACKGROUND Curcumin is a promising candidate for a natural medicinal agent to treat chronic inflammatory diseases. Although CD4(+) T cells have been implicated in the pathogenesis of chronic inflammation, whether curcumin directly regulates CD4(+) T cells has not been definitively established. Here, we showed curcumin-mediated regulation of CD2/CD3/CD28-initiated CD4(+) T cell activation in vit...
The contribution of CD8(+) T cells to the control of tuberculosis has been studied primarily during acute infection in mouse models. Memory or recall responses in tuberculosis are less well characterized, particularly with respect to the CD8 T-cell subset. In fact, there are published reports that CD8(+) T cells do not participate in the memory immune response to Mycobacterium tuberculosis. We ...
The development and homeostasis of multicellular organisms relies on gene regulation within individual constituent cells. Gene regulatory circuits that increase the robustness of gene expression frequently incorporate microRNAs as post-transcriptional regulators. Computational approaches, synthetic gene circuits and observations in model organisms predict that the co-regulation of microRNAs and...
To determine whether immune disturbances during exertional heat injury (EHI) could be distinguished from those due to exercise (E), peripheral lymphocyte subset distributions and phytohemagglutinin-stimulated CD69 mitogen responses as discriminated by flow cytometry were studied in military recruits [18.7 +/- 0.3 (SE) yr old] training in warm weather. An E group (3 men and 3 women) ran 1.75-2 m...
Leptospira interrogans glycolipoprotein (GLP) has been implicated in pathological and functional derangement seen in leptospirosis. The goal of this study was to evaluate GLP's ability to induce cellular activation, as assessed by cytokine production and expression of surface activation markers. GLP extracted from either pathogenic L. interrogans serovar Copenhageni or nonpathogenic Leptospira ...
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