نتایج جستجو برای: treg cells
تعداد نتایج: 1384740 فیلتر نتایج به سال:
Foxp3+ regulatory T (Treg) cells are crucial for restraining inflammation in a variety of autoimmune diseases, including type 1 diabetes (T1D). However, the transcriptional and functional phenotypes of Treg cells within the pancreatic lesion remain poorly understood. Here we characterized pancreas-infiltrating Treg cells in the NOD mouse model of T1D and uncovered a substantial enrichment of th...
Purinergic system plays an important role in functional regulation of immune system. Extracellular ATP belongs to non-infectious danger signals (DAMP), has a pro-inflammatory effect and modulates the response. The end product breakdown, adenosine, limiting inflammatory activity ectonucleotidase CD39 CD73 supports balance adenosine at site inflammation. expression is characterized by high variab...
A T-cell subset, defined as CD4(+)CD25(hi) (regulatory T-cells [Treg cells]), was recently shown to suppress T-cell activation. We demonstrate that human Treg cells isolated from healthy donors express the HIV-coreceptor CCR5 and are highly susceptible to HIV infection and replication. Because Treg cells are present in very few numbers and are difficult to expand in vitro, we genetically modifi...
I 1 Summary During this thesis, several novel aspects of TGFβ in human CD4 + T cell biology were investigated. First, we were interested, which factors control the resting state of CD4 + T cells. Genome-wide transcriptional analysis of serum-deprived CD4 + T cells revealed TGFβ to be the most prominent factor controlling the homeostasis of CD4 + T cells. Furthermore, we could show that TGFβ is ...
CD4(+)CD25(+)Foxp3(+) regulatory T cells (CD25(+) Treg cells) direct the maintenance of immunological self-tolerance by active suppression of autoaggressive T-cell populations. However, the molecules mediating the anergic state and regulatory function of CD25(+) Treg cells are still elusive. Using differential proteomics, we identified galectin-10, a member of the lectin family, as constitutive...
CD4+ Treg-cells (regulatory T-cells) probably contribute to the impaired virus-specific T-cell responses in chronic HCV (hepatitis C virus) infection; however, their antigen-specificity has remained elusive. In the present study, we analysed peripheral blood CD4+ Treg-cells in patients with chronic hepatitis C and subjects with self-limited HCV infection and characterized individual Treg-cell c...
Blocking the PD-1/PD-L1 pathway has emerged as a potential therapy to restore impaired immune responses in human immunodeficiency virus (HIV)-infected individuals. Most reports have studied the impact of the PD-L1 blockade on effector cells and neglected possible effects on regulatory T cells (Treg cells), which play an essential role in balancing immunopathology and antiviral effector response...
Dendritic cells (DC) are one target for immune suppression by regulatory T cells (Treg), because their interaction results in reduced T cell stimulatory capacity and secretion of inhibitory cytokines in DC. We show that DC in the presence of Treg are more mobile as compared with cocultures with conventional CD4(+) T cells and form DC-Treg aggregates within 2 h of culture. The migration of DC wa...
Naturally occurring CD4(+)CD25(+) regulatory T cells (Treg) are crucial in immunoregulation and have great therapeutic potential for immunotherapy in the prevention of transplant rejection, allergy, and autoimmune diseases. The efficacy of Treg-based immunotherapy critically depends on the Ag specificity of the regulatory T cells. Moreover, the use of Ag-specific Treg as opposed to polyclonal e...
Comparison of Th1/Th2 and Treg/Th17 ratios between wet and dry cupping therapies in Persian medicine
Objective: In Persian medicine (PM), wet-cupping therapy (WCT) is the most utilized approach. WCT is mostly done between the shoulders, which is referred to as “hejamt-e-aam” in the Persian language. CD4+T cells also refer to T helper lymphocytes play a critical role in the immune system. Naïve CD4+ T cells differentiate into at least four subsets, T helper 1 (Th1), T helper 2 (Th2), T helper 1...
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