Bistable epigenetic states explain age-dependent decline in mesenchymal stem cell heterogeneity
The molecular mechanisms by which heterogeneity, a major characteristic of stem cells, is achieved are yet unclear. We here study the expression of the membrane stem cell antigen-1 (Sca-1) in mouse bone marrow Mesenchymal Stem Cell (MSC) clones. We show that subpopulations with varying Sca-1 express...
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