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- W2904209686 abstract "Abstract Human dental pulp stem cells (DPSCs) can differentiate to a wide range of different cell lineages, and share some gene expression and functional similarities with pluripotent stem cells. The stemness of DPSCs can also be pharmacologically enhanced by the activation of canonical Wnt signaling. Here, we examined the metabolic profile of DPSCs during reprogramming linked to Wnt activation, by a short (48 hr) exposure to either the GSK3‐β inhibitor BIO (6‐bromoindirubin‐3´‐oxine) or human recombinant protein WNT‐3A. Both treatments largely increased glucose consumption, and induced a gene overexpression of pyruvate and mitochondrial acetyl‐coA producing enzymes, thus activating mitochondrial tricarboxylic acid cycle (TCA) metabolism in DPSCs. This ultimately led to an accumulation of reducing power and a mitochondrial hyperpolarization in DPSCs. Interestingly, Nile Red staining showed that lipid fuel reserves were being stored in Wnt‐activated DPSCs. We associate this metabolic reprogramming with an energy‐priming state allowing DPSCs to better respond to subsequent high demands of energy and biosynthesis metabolites for cellular growth. These results show that enhancement of the stemness of DPSCs by Wnt activation comes along with a profound metabolic remodeling, which is distinctly characterized by a crucial participation of mitochondrial metabolism." @default.
- W2904209686 created "2018-12-22" @default.
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- W2904209686 date "2018-12-13" @default.
- W2904209686 modified "2023-09-23" @default.
- W2904209686 title "Wnt signaling reprograms metabolism in dental pulp stem cells" @default.
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- W2904209686 doi "https://doi.org/10.1002/jcp.27977" @default.
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