miRNomes of haematopoietic stem cells and dendritic cells identify miR-30b as a regulator of Notch1

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miRNomes of haematopoietic stem cells and dendritic cells identify miR-30b as a regulator of Notch1

Dendritic cells (DCs) are critical to initiate the immune response and maintain tolerance, depending on different status and subsets. The expression profiles of microRNAs (miRNAs) in various DC subsets and haematopoietic stem cells (HSCs), which generate DCs, remain to be fully identified. Here we examine miRNomes of mouse bone marrow HSCs, immature DCs, mature DCs and IL-10/NO-producing regula...

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Background: Mesenchymal stem cells (MSCs) possess a wide range of immunomodulatory functions mostly in immune cells including dendritic cells (DCs). DCs are the key cells in the immune response and play an important role in initiating cell-mediated immunity. Objective: To evaluate the immunomodulatory effects of MSCs supernatant on maturation and function of DCs. Methods: Bone marrow derived m...

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miR-24, miR-30b and miR-142-3p interfere with antigen processing and presentation by primary macrophages and dendritic cells

Antigen uptake, processing and presentation by antigen presenting cells (APCs) are tightly coupled processes which consequently lead to the activation of innate and adaptive immune responses. However, the regulatory role of microRNA (miRNAs) in these critical pathways is poorly understood. In this study, we show that overexpression of miR-24, miR-30b and miR-142-3p attenuates uptake and process...

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Mesenchymal Stem Cells as a Feeder Layer Can Prevent Apoptosis of Expanded Hematopoietic Stem Cells Derived from Cord Blood

Umbilical cord blood (UCB) has been used for transplantation in the treatment of hematologic disorders as a source of hematopoietic stem cells (HSCs). Because of insufficient number of cord blood CD34+ cells, the expansion of these cells seems to be important for clinical application. Mesenchymal stromal cells (MSCs), playing an important role in HSCs maintenance, were used as feeder layer. Apo...

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immunomodulatory effects of mice mesenchymal stem cells on maturation and activation of dendritic cells

background: mesenchymal stem cells (mscs) possess a wide range of immunomodulatory functions mostly in immune cells including dendritic cells (dcs). dcs are the key cells in the immune response and play an important role in initiating cell-mediated immunity. objective: to evaluate the immunomodulatory effects of mscs supernatant on maturation and function of dcs. methods: bone marrow derived mi...

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ژورنال

عنوان ژورنال: Nature Communications

سال: 2013

ISSN: 2041-1723

DOI: 10.1038/ncomms3903