نتایج جستجو برای: dendritic cells
تعداد نتایج: 1400502 فیلتر نتایج به سال:
Dendritic cells are the most potent 'professional' antigen-presenting cells, with high ability of primary immune response initiation. Dendritic cells originate from bone marrow progenitors, which circulate in peripheral blood and subsequently give rise to immature dendritic cells, which reside in peripheral tissues. When dendritic cells encounter danger signals, they undergo differentiation and...
The biomimetic nanovaccines not only promoted antigens endocytosis into dendritic cells via receptor-mediated pathways but also induced cross-presentation eliciting CD8+ T-cell responses. CPG-ODN as an adjuvant further enhanced the anti-tumor immune
While it has been known that dendritic cells arise from proliferating precursors in situ, it has been difficult to identify progenitors in culture. We find that aggregates of growing dendritic cells develop in cultures of mouse blood that are supplemented with granulocyte/macrophage colony-stimulating factor (GM-CSF) but not other CSFs. The dendritic cell precursor derives from the Ia-negative ...
Mesenchymal stem cells can be obtained from deferent tissues like adipose tissue, umbilical cord, placenta, skin, bone marrow, etc. These cells have regulatory effects on all types of immune cells such as dendritic cell, natural killers and lymphocytes. Mesenchymal stem cells induce inhibitory phenotypes of Antigen Presenting Cells (APCs) following their activity. They also change T cells pheno...
The mononuclear phagocyte system, particularly dendritic cells, plays several pivotal roles in the development of multiple sclerosis and its animal model, experimental autoimmune encephalomyelitis. Here, we demonstrate that functionally distinct dendritic cell subpopulations are present in the central nervous system during experimental autoimmune encephalomyelitis. At peak experimental autoimmu...
background: improving vaccine potency in the induction of a strong cell-mediated cytotoxicity can enhance the efficacy of vaccines. necrotic cells and the supernatant of necrotic tumor cells are attractive adjuvants, on account of their ability to recruit antigen-presenting cells to the site of antigen synthesis as well as its ability to stimulate the maturation of dendritic cells. objective: t...
Dendritic cells are attractive candidates for vaccine-based immunotherapy because of their potential to function as natural adjuvants for poorly immunogenic proteins derived from tumors or microbes. In this study, we evaluated the feasibility and consequences of introducing foreign genetic material by retroviral vectors into dendritic cell progenitors. Proliferating human bone marrow and cord b...
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