نتایج جستجو برای: cd45ro
تعداد نتایج: 1074 فیلتر نتایج به سال:
To date, there is no consensus regarding the influence of different CD45 isoforms during peripheral B-cell development. Examining correlations between surface CD45RO expression and various physiologic processes ongoing during the germinal center (GC) reaction, we hypothesized that GC B cells, like T cells, that up-regulate surface RO should progressively acquire phenotypes commonly associated w...
Measures of airway inflammation are increasingly being used as outcome measures in asthma intervention studies. Meaningful interpretation of observed changes in bronchial mucosal cell numbers should depend, in part, on the reproducibility of repeat measures over time. We wanted to investigate the reproducibility of immunopathologic and physiologic parameters after short and long measurement int...
The present study was undertaken to elucidate different requirements for CD2-mediated activation of naive (CD45RO-) and memory (CD45RO+) CD4+ T cells. A mitogenic combination of anti-CD2 (anti-T11(2) and anti-T11(3] mAbs could effectively induce the proliferation of memory CD4+ T cells even in the absence of monocytes. In marked contrast, naive CD4+ T cells did not disclose any proliferative re...
Gene therapy of human cancer using genetically engineered lymphocytes is dependent on the identification of highly reactive T-cell receptors (TCRs) with antitumor activity. We immunized transgenic mice and also conducted high-throughput screening of human lymphocytes to generate TCRs highly reactive to melanoma/melanocyte antigens. Genes encoding these TCRs were engineered into retroviral vecto...
Controversy exists concerning the preferential infection and replication of human immunodeficiency virus-1 (HIV-1) within naive (CD45RA+) and memory (CD45RO+) subsets of CD4+ lymphocytes. To explore the susceptibility of these subsets to HIV-1 infection, we purified CD45RA+/CD4+ (RA) and CD45RO+/CD4+ (RO) cells from normal donors and subjected them to a novel monokine activation culture scheme....
GOALS/BACKGROUND The aim of this study was to decipher whether end-stage liver failure modifies peripheral blood lymphocytes (PBL) in a homogeneous manner, independently of the base pathology, or, if on the contrary, PBL subsets show a different profile in each hepatic disease. METHODS We studied PBL subsets in 71 patients with end-stage liver disease, before liver transplant, and 74 healthy ...
INTRODUCTION Rheumatoid myositis (RM) represents a poorly characterized entity, immune mechanism, assessment and management remaining still unclear. The aim of this study was to investigate endothelial and inflammatory cells activation in RM muscle biopsy. MATERIAL AND METHODS Prospective study on 23 consecutive rheumatoid arthritis (RA) with muscle involvement as defined by clinical, biologi...
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