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Modulation of glucose and lipid metabolism by porcine adiponectin receptor 1-transgenic mesenchymal stromal cells in diet-induced obese mice



Modulation of glucose and lipid metabolism by porcine adiponectin receptor 1-transgenic mesenchymal stromal cells in diet-induced obese mice



CytoTherapy 15(8): 971-978



Obesity and its associated diseases demand better therapeutic strategies. Regenerative medicine combined with gene therapy has emerged as a promising approach in various clinical applications. Adiponectin (ApN) and its receptors have been demonstrated to play beneficial roles in modulating glucose and lipid homeostasis. In the current study, we tested such an approach by transplanting mesenchymal stromal cells (MSCs) from porcine ApN receptor (pAdipoR) 1-transgenic mice into high-fat/sucrose diet (HFSD)-fed mice. Twenty 6-week-old Friend virus B/NJNarl male mice were randomly assigned into four groups with the control fed a chow diet (chow) and others HFSD for 10 months. The HFSD groups were then intraperitoneally injected once per week for 8 weeks with placebo (200 μL phosphate-buffered saline), wild-type MSC (WT-MSC, 2 × 10(6) cells/200 μL phosphate-buffered saline) or pAdipoR1-transgenic MSC (pR1-tMSC, 2 × 10(6) cells/200 μL phosphate-buffered saline), respectively. Body weights, blood samples, tissue histology, and gene expression and protein levels of metabolism-associated genes were analyzed. Both WT-MSC and pR1-tMSC transplantations restored the messenger RNA expression of AdipoR1, with those of glucose transporter 4 and 5'-adenosine monophosphate-activated protein kinase catalytic subunit α-1 and protein levels of pyruvate kinase induced by pR1-tMSC in the muscles of HFSD-fed mice. In the liver, both WT-MSC and pR1-tMSC ameliorated HFSD-induced hepatosteatosis, with the gene expression of lipoprotein lipase and hormone-sensitive lipase upregulated by the latter. Lastly, pR1-tMSC transplantation reduced fatty acid synthase mRNA levels in the adipose tissues of HFSD-fed mice. This study demonstrates the modulatory actions of MSC and pR1-tMSC on genes associated with glucose and lipid metabolism and provides insights into its therapeutic application for obesity-associated metabolic complication.

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Accession: 054427801

Download citation: RISBibTeXText

PMID: 23732048

DOI: 10.1016/j.jcyt.2013.03.008


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