on the origin and impact of mesenchymal stem cell heterogeneity: new insights and emerging tools for single cell analysis

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ID: 183016
2017
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Abstract
Mesenchymal stem cells (MSCs) display substantial cell-to-cell variation. This heterogeneity manifests among donors, among tissue sources, and within cell populations. Such pervasive variability complicates the use of MSCs in regenerative applications and may limit their therapeutic efficacy. Most conventional assays measure MSC properties in bulk and, as a consequence, mask this cell-to-cell variation. Recent studies have identified extensive variability amongst and within clonal MSC populations, in dimensions including functional differentiation capacity, molecular state (e.g. epigenetic, transcriptomic, and proteomic status), and biophysical properties. While the origins of these variations remain to be elucidated, potential mechanisms include in vivo micro-anatomical heterogeneity, epigenetic bistability, and transcriptional fluctuations. Emerging tools for single cell analysis of MSC gene and protein expression may yield further insight into the mechanisms and implications of single cell variation amongst these cells, and ultimately improve the clinical utility of MSCs in tissue engineering and regenerative medicine applications. This review outlines the dimensions across which MSC heterogeneity is present, defines some of the known mechanisms that govern this heterogeneity, and highlights emerging technologies that may further refine our understanding and improve our clinical application of this unique cell type.
Reference Key
mcleod2017europeanon Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;CM McLeod;RL Mauck
Journal vestnik volgogradskogo gosudarstvennogo universiteta seriâ 11 estestvennye nauki
Year 2017
DOI
10.22203/eCM.v034a14
URL
http://www.ecmjournal.org/papers/vol034/pdf/v034a14.pdf
Keywords Keywords not found

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