CD2 Costimulation Reveals Defective Activity by Human CD4CD25 Regulatory Cells in Patients with Multiple Sclerosis
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چکیده
منابع مشابه
CD2 costimulation reveals defective activity by human CD4+CD25(hi) regulatory cells in patients with multiple sclerosis.
Studying the activity of homogeneous regulatory T cell (Treg) populations will advance our understanding of their mechanisms of action and their role in human disease. Although isolating human Tregs exhibiting low expression of CD127 markedly increases purity, the resulting Treg populations are still heterogeneous. To examine the complexity of the Tregs defined by the CD127 phenotype in compari...
متن کاملNumerical status of CD4+CD25+FoxP3+ and CD8+CD28- regulatory T cells in multiple sclerosis
Objective(s): Regulatory T cells, including CD4+CD25+Fox3+ and CD8+CD28- cells play an important role in regulating the balance between immunity and tolerance. Since multiple sclerosis is an inflammatory autoimmune disease, regulatory T cells are considered to be involved in its pathogenesis. In this study, we investigated the circulatory numbers of the two mentioned types of regulatory T cells...
متن کاملT cell-signaling network analysis reveals distinct differences between CD28 and CD2 costimulation responses in various subsets and in the MAPK pathway between resting and activated regulatory T cells.
To uncover signaling system differences between T cell stimuli and T cell subsets, phosphorylation status of 18 signaling proteins at six different time points following TCR triggering and CD28/CD2 costimulation was examined in human T cell subsets by phospho-epitope-specific flow cytometry of fluorescent cell barcoded samples, thereby providing a high-resolution signaling map. Compared with ef...
متن کاملCD4CD25 Regulatory Cells in Human Peripheral Blood
Thymectomy in mice on neonatal day 3 leads to the development of multiorgan autoimmune disease due to loss of a CDCD25 T cell regulatory population in their peripheral lymphoid tissues. Here, we report the identification of a CD4 population of regulatory T cells in the circulation of humans expressing high levels of CD25 that exhibit in vitro characteristics identical with those of the CD4CD25 ...
متن کاملO 1: The Effects of Vitamin D Supplementation on the T cell Compartment in Multiple Sclerosis
Multiple sclerosis (MS) is a complex neurological disease and its prevalence is about 2 million in the world. Neuroinflammation plays a key role in MS. Vitamins are essential nutrients that have effective role on immune system including activation of lymphocyte and differentiation of T-helper cell. Vitamin D is a micronutrient that is effective on immune function. Deficiently of Vitamin D is a ...
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