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Stem cell secretome restore the adipo-osteo differentiation imbalance in diabetic dental pulp-derived mesenchymal stem cells
Background: Mesenchymal stem cells (MSCs) from type 2 diabetes mellitus (T2DM) individuals exhibit increased adipogenesis and decreased osteogenesis. We investigated the potential of adipose tissue-derived MSCs (ADMSCs) secretome obtained from healthy individuals in restoring the tumor necrosis factor-α (TNF-α) mediated imbalance in the adipo/osteogenic differentiation in the dental pulp-derived MSCs obtained from T2DM individuals (dDPMSCs).
Methods: dDPMSCs were differentiated into adipocytes and osteocytes using a standard cocktail in the presence of (a) induction cocktail, (b) induction cocktail + TNF-α, and (c) induction cocktail+ TNF-α + ADMSCs-secretome (50%) for 15 and 21 days resp. Differentiated adipocytes and osteocytes were stained by oil red O and alizarin red and analyzed by using ImageJ software. Molecular expression of the key genes involved was analyzed by using reverse-transcription polymerase chain reaction (RT-PCR).
Results: Treatment of TNF-α augmented the adipogenesis (9571 ± 765 vs. 19,815 ± 1585 pixel, p < 0.01) and decreased the osteogenesis (15,603 ± 1248 vs. 11,894 ± 951 pixel, p < 0.05) of dDPMSCs as evidenced by the oil red O and alizarin red staining respectively. Interestingly, dDPMSCs differentiated along with TNF-α and 50% ADMSCs secretome exhibited enhanced osteogenesis (11,894 ± 951 vs. 41,808 ± 3344 pixel, p < 0.01) and decreased adipogenesis (19,815 ± 1585 vs. 4480 ± 358 pixel, p < 0.01). Additionally, dDPMSCs differentiated along with ADMSCs secretome exhibited decreased expression of PPARg (p < 0.01), C/EBPa (p < 0.05), and FAS (p < 0.01) whereas mRNA expression of Runx2 (p < 0.05), Osterix (p < 0.01), and OCN (p < 0.05) was upregulated as revealed by the RT-PCR analysis.
Conclusion: ADMSCs secretome from healthy individuals restore the TNF-α influenced differentiation fate of dDPMSCs and therefore can be e xplored for T2DM clinical management in the future. © 2024 The Authors. Chronic Diseases and Translational Medicine published by John Wiley & Sons Ltd on behalf of Chinese Medical Association.
Authors : Sanap A.; Joshi K.; Kheur S.; Bhonde R.
Source : John Wiley and Sons Inc
Article Information
| Year | 2024 |
| Type | Article |
| DOI | 10.1002/cdt3.125 |
| ISSN | 2095882X |
| Volume | 10 |
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