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Hematopoietic stem cells and their niche

Trends in Immunology, 2005
Recent evidence indicates that osteoblasts are crucial components of the particular microenvironments, or niches, for hematopoietic stem cells (HSCs) in adult bone marrow (BM). Stem cells persist in an immature state within the BM. The quiescence of HSCs is controlled dynamically by the signaling of receptors-ligands and cell-adhesion molecules.
Toshio, Suda   +2 more
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Hematopoietic Stem Cells and Aging

Experimental Gerontology, 1999
The question of whether hematopoietic stem cells are altered in aging has been the subject of considerable controversy for over two decades. The substantial advancement of knowledge on hematopoietic stem cells and developmental hematology in the last few years has reopened this issue for critical analysis.
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Heterogeneity of hematopoietic stem cells

Current Opinion in Immunology, 1993
Hematopoietic stem cells are capable of multi-lineage differentiation to all blood cell types as well as self-renewal and radioprotection. Thy-1.1lo Lin-/lo Sca-1+ cells are a heterogeneous mixture of quiescent and self-renewing hematopoietic stem cells as well as multi-lineage expanding cells.
N, Uchida   +3 more
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Neovascularization and Hematopoietic Stem Cells

Cell Biochemistry and Biophysics, 2011
Vasculogenesis and angiogenesis are the major forms of blood vessel formation. Angiogenesis is the process where new vessels grow from pre-existing blood vessels, and is very important in the functional recovery of pathological conditions, such as wound healing and ischemic heart diseases. The development of better animal model and imaging technologies
Jingwei, Lu   +2 more
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Hematopoietic Stem Cells and Aging

Science of Aging Knowledge Environment, 2002
Hematopoiesis is a process by which a single cell--called a hematopoietic stem cell (HSC)--has the proliferative potential to give rise to all of the major lineages of blood and immune cells. Stem cells can undergo both symmetric division, which results in two copies of the parent stem cell, and asymmetric division, which results in self-renewal of the
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The aging of hematopoietic stem cells

Nature Medicine, 1996
We have purified hematopoietic stem cells (HSCs) from the bone marrow of old mice and compared their properties to HSCs in young and middle-aged mice. Single, reconstituting HSCs (by limit dilution) from old and young mice exhibited indistinguishable progenitor activities in vivo. HSCs were five times as frequent in the bone marrow of old mice; however,
S J, Morrison   +4 more
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Hematopoietic stem-cell differentiation

Current Opinion in Immunology, 1991
Hematopoietic stem cells can be identified and isolated from hematopoietic tissues of mammalian hosts. Assay systems that solely reflect hematopoietic stem cell activity are being developed, and new cytokines that influence hematopoietic stem-cell proliferation and differentiation have been described.
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Hematopoietic stem cell donation

International Journal of Hematology, 2013
Allogeneic hematopoietic stem cell transplantation is now an important treatment for numerous diseases. Donation of hematopoietic stem cells, either through bone marrow (BM) harvesting or peripheral blood stem cell (PBSC) collection, is a well-established and generally accepted procedure.
Shu-Huey, Chen   +2 more
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The Biology of Hematopoietic Stem Cells

Annual Review of Cell and Developmental Biology, 1995
Hematopoietic stem cells (HSC) are the only cells in the blood-forming tissues that can give rise to all blood cell types and that can self-renew to produce more HSC. In mouse and human, HSC represent up to 0.05% of cells in the bone marrow. HSC are almost entirely responsible for the radioprotective and short- and long-term reconstituting effects ...
S J, Morrison, N, Uchida, I L, Weissman
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Mobilization of hematopoietic stem cells

Blood Reviews, 2000
Hematopoietic stem cell transplantation has been extensively exploited as a therapeutic and research modality and has revolutionized current patient care. At present, more and more medical centers use peripheral blood progenitor cells for transplantation by mobilizing hematopoietic stem cells from bone marrow to peripheral blood because of potential ...
S, Fu, J, Liesveld
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