نتایج جستجو برای: multipotent hematopoietic cells
تعداد نتایج: 1409235 فیلتر نتایج به سال:
Stem cells are distinguished from other cells by two characteristics: (1) they can divide to produce copies of themselves (self-renewal) under appropriate conditions and (2) they are pluripotent, or able to differentiate into any of the three germ layers: the endoderm (which forms the lungs, gastrointestinal tract, and interior lining of the stomach), mesoderm (which forms the bones, muscles, b...
BMP and Wnt signaling pathways control essential cellular responses through activation of the transcription factors SMAD (BMP) and TCF (Wnt). Here, we show that regeneration of hematopoietic lineages following acute injury depends on the activation of each of these signaling pathways to induce expression of key blood genes. Both SMAD1 and TCF7L2 co-occupy sites with master regulators adjacent t...
To improve our ability to identify hematopoietic stem cells (HSCs) and their localization in vivo, we compared the gene expression profiles of highly purified HSCs and non-self-renewing multipotent hematopoietic progenitors (MPPs). Cell surface receptors of the SLAM family, including CD150, CD244, and CD48, were differentially expressed among functionally distinct progenitors. HSCs were highly ...
We have extended the study of the effects of antisense oligodeoxynucleotides on hematopoietic colony formation to include the effects of antisense to granulocyte-macrophage colony-stimulating factor (GM-CSF), granulocyte colony-stimulating factor (G-CSF), and macrophage colony-stimulating factor (M-CSF) on bone marrow cultures. GM-CSF antisense and GM-CSF receptor antisense cause an increase in...
The fluorescent vital dye rhodamine 123 (Rh-123), which preferentially accumulates in mitochondrial membranes, can be used as a probe to indicate mitochondrial and hence cellular activity. In this study, mouse bone marrow hematopoietic stem cells were subdivided into Rh-123lo, Rh-123med, and Rh-123hi populations. The Rh-123lo (resting) population was significantly enriched in cells with a highe...
Mesenchymal stem cells (MSCs) are multipotent non-hematopoietic progenitor cells able to differentiate into multiple lineages, holding the potential for replacing damaged and diseased tissues by tissue regeneration and immunodulatory functions. So far, MSCs have been successfully isolated and characterized from a variety of orofacial tissues, including dental pulp, periodontal ligament, root ap...
Polycythemia vera (PV) is a clonal disorder arising in multipotent hematopoietic progenitor cells. It causes the overproduction of red cells and, to a lesser extent, neutrophils and platelets. PV occurs with a slight predominance in men, and the median age of diagnosis is 60 years [1]. Although the association between PV and coronary artery disease is unknown, previous studies have reported cor...
Mesenchymal stromal cells (MSCs) are multipotent stem cells well known for repairing tissue, supporting hematopoiesis, and modulating immune and inflammation response. These outstanding properties make MSCs as an attractive candidate for cellular therapy in immune-based disorders, especially hematopoietic stem cell transplantation (HSCT). In this review, we outline the progress of MSCs in preve...
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