期刊
STEM CELLS INTERNATIONAL
卷 2016, 期 -, 页码 -出版社
HINDAWI LTD
DOI: 10.1155/2016/1290561
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资金
- European Research Council StG [243261]
- Wellcome Trust [WT082887]
- Royal Society URF [UF051616]
- MRC [G0900954] Funding Source: UKRI
- Medical Research Council [G0900954] Funding Source: researchfish
- The British Council [GII112] Funding Source: researchfish
- European Research Council (ERC) [243261] Funding Source: European Research Council (ERC)
Cellular heterogeneity presents an important challenge to the development of cell-based therapies where there is a fundamental requirement for predictable and reproducible outcomes. Transplanted Dental Pulp Stem/Progenitor Cells (DPSCs) have demonstrated early promise in experimental models of spinal cord injury and stroke, despite limited evidence of neuronal and glial-like differentiation after transplantation. Here, we report, for the first time, on the ability of single cell-derived clonal cultures of murine DPSCs to differentiate in vitro into immature neuronal-like and oligodendrocyte-like cells. Importantly, only DPSC clones with high nestin mRNA expression levels were found to successfully differentiate into Map2 and NF-positive neuronal-like cells. Neuronally differentiated DPSCs possessed a membrane capacitance comparable with primary cultured striatal neurons and small inward voltage-activated K+ but not outward Na+ currents were recorded suggesting a functionally immature phenotype. Similarly, only high nestin-expressing clones demonstrated the ability to adopt Olig1, Olig2, and MBP-positive immature oligodendrocyte-like phenotype. Together, these results demonstrate that appropriate markers may be used to provide an early indication of the suitability of a cell population for purposes where differentiation into a specific lineage may be beneficial and highlight that further understanding of heterogeneity within mixed cellular populations is required.
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