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Hormonal Regulation of Hematopoietic Stem Cells and Their Niche: A Focus on Estrogen

Heo HR, Chen L, An B, Kim KS, Ji J, Hong SH

Self-renewal and differentiation are hallmarks of stem cells and controlled by various intrinsic and extrinsic factors. Increasing evidence indicates that estrogen (E2), the primary female sex hormone, is involved in...
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Intramarrow injection of beta-catenin-activated, but not naive mesenchymal stromal cells stimulates self-renewal of hematopoietic stem cells in bone marrow

Ahn JY, Park G, Shim JS, Lee JW, Oh IH

Bone marrow mesenchymal stromal cells (MSCs) have been implicated in the microenvironmental support of hematopoietic stem cells (HSCs) and often co-transplanted with HSCs to facilitate recovery of ablated bone marrows....
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Endogenous Stem Cells in Homeostasis and Aging

Lim JE, Son Y

In almost all human tissues and organs, adult stem cells or tissue stem cells are present in a unique location, the so-called stem cell niche or its equivalent, continuously replenishing...
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Minimal Requirement of Limbal Epithelium for Successful Limbal Cell Transplantation in Rabbit Corneas

Yang YR, Choi NY, Kim JH, Kim MS

  • KMID: 2337329
  • J Korean Ophthalmol Soc.
  • 2006 Apr;47(4):613-620.
PURPOSE: To investigate the minimal requirements of the limbal epithelium for successful limbal stem cell transplantation and the healing process. METHODS: Nine rabbits were divided into 4, 6, and 8 clock-hour...
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Mesenchymal stromal cells in myeloid malignancies

Schroeder , Geyh S, Germing U, Haas R

Myelodysplastic syndromes (MDS) and acute myeloid leukemia (AML) are clonal myeloid disorders characterized by hematopoietic insufficiency. As MDS and AML are considered to originate from genetic and molecular defects of...
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The Efficacy and Safety of Collagen-I and Hypoxic Conditions in Urine-Derived Stem Cell Ex Vivo Culture

Chun SY, Kim HT, Kwon SY, Kim J, Kim BS, Yoo ES, Kwon TG

Upper urinary tract-derived urine stem cells (USCs) are considered a valuable mesenchymal stem cell source for autologous cell therapy. However, the reported culture condition for USCs is not appropriate for...
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Tracking the Fate of Muscle-derived Stem Cells: an Insight into the Distribution and Mode of Action

Park HS, Choi GH, Hahn S, Yoo YS, Jung IM, Lee T

  • KMID: 2319514
  • Vasc Spec Int.
  • 2014 Mar;30(1):11-18.
PURPOSE: To examine the fate of muscle-derived stem cells (MDSC) after injection into different host conditions and provide an insight for their mechanism of action. MATERIALS AND METHODS: MDSCs differentiated in...
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Hypoxia Enhances Cell Properties of Human Mesenchymal Stem Cells

Kwon SY, Chun SY, Ha YS, Kim DH, Kim J, Song PH, Kim HT, Yoo ES, Kim BS, Kwon TG

Atmospheric (in vitro) oxygen pressure is around 150 mm Hg (20% O₂), whereas physiologic (in vivo) oxygen pressure ranges between 5 and 50 mm Hg (0.7–7% O₂). The normoxic environment...
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Caenorhabditis elegans: A Model System for Anti-Cancer Drug Discovery and Therapeutic Target Identification

Kobet RA, Pan X, Zhang B, Pak SC, Asch AS, Lee MH

The nematode Caenorhabditis elegans (C. elegans) offers a unique opportunity for biological and basic medical researches due to its genetic tractability and well-defined developmental lineage. It also provides an exceptional...
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Long-Duration Three-Dimensional Spheroid Culture Promotes Angiogenic Activities of Adipose-Derived Mesenchymal Stem Cells

Lee JH, Han YS, Lee SH

Mesenchymal stem cells (MSCs) offer significant therapeutic promise for various regenerative therapies. However, MSC-based therapy for injury exhibits low efficacy due to the pathological environment in target tissues and the...
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