نتایج جستجو برای: fetal hematopoietic stem cells
تعداد نتایج: 1588601 فیلتر نتایج به سال:
There has been increasing interest in the involvement of mammalian homeobox (HOX) genes in hematopoietic regulation. The HOX genes are clustered in 4 chromosomes in mice and humans. In general, 5' end HOX gene expression is predominant in hematopoietic stem cell populations, whereas 3' end HOX gene expression are primarily found in committed progenitor cells. Furthermore, HOX genes of the A clu...
Cited2 (cAMP-responsive elementbinding protein [CBP]/p300-interacting transactivators with glutamic acid [E] and aspartic acid [D]-rich tail 2) is a newly identified transcriptional modulator. Knockout of the Cited2 gene results in embryonic lethality with embryos manifesting heart and neural tube defects. Cited2-/- fetal liver displayed significant reduction in the numbers of Lin(-)c-Kit+Sca-1...
background: three-dimensional (3d) biomimetic nanofiber scaffolds have widespread applications in biomedical tissue engineering. they provide a suitable environment for cellular adhesion, survival, proliferation and differentiation, guide new tissue formation and development, and are one of the outstanding goals of tissue engineering. electrospinning has recently emerged as a leading technique ...
the complexity of multiple sclerosis (ms) and the incompetence of a large number of promise treatments in ms urge us to plan new and more effective therapeutic approaches that aim to suppress ongoing autoimmune responses and induction of local endogenous regeneration. emerging data propose that hematopoietic, mesenchymal and neural stem cells have the potential to restore self-tolerance, to pro...
The stem-cell leukemia gene (SCL/tal1) is essential for the formation of all blood lineages. SCL is first expressed in mesodermal cells that give rise to embryonic blood cells, and continues to be expressed in fetal and adult hematopoietic stem cells (HSCs). However, SCL is not required for the maintenance of established long-term repopulating (LTR) HSCs in the adult. The time point at which HS...
Organs are composites of tissue types with diverse developmental origins, and they rely on distinct stem and progenitor cells to meet physiological demands for cellular production and homeostasis. How diverse stem cell activity is coordinated within organs is not well understood. Here we describe a lineage-restricted, self-renewing common skeletal progenitor (bone, cartilage, stromal progenitor...
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