Low frequency mechanical stimulation inhibits adipogenic differentiation of C3H10T1/2 mesenchymal stem cells.

Evidence from laboratory and animal studies provides groundwork for understanding mechanisms and potential before human studies continue.

• Level A · Stronger Clinical Evidence
• Level B · Emerging clinical evidence with positive signals
• Level C · Early human research exploring benefits
• Level D · Scientific groundwork from lab and animal studies
• Emerging · Emerging topic under active research

Abstract (original English)

Oscillatory mechanical stimulation at relatively high frequencies (0.1 Hz) has been shown to inhibit adipogenic and promote osteogenic differentiation of mesenchymal stem cells. However, for physiological interpretations and ease of implementation it is of interest to know whether different rates of mechanical stimulation can produce similar results. We hypothesized that relatively low frequency mechanical stimulation (0.01 Hz) can inhibit adipogenic differentiation of C3H10T1/2 mouse mesenchymal stem cells, even in a potent adipogenic differentiation medium. C3H10T1/2 cells were cultured in adipogenic medium under control (non-mechanically stimulated) conditions and under oscillatory surface stretch with 10% amplitude and 0.01 Hz frequency for 6h per day for up to 5 days. Cell population was assessed by counting and adipogenic differentiation was assessed by real-time quantitative PCR (qPCR) analysis of peroxisome proliferator-activated receptor gamma (PPARγ) and fatty acid binding protein 4 (FABP4) after 3 and 5 days. Involvement of the ERK signaling pathway was assessed by Western blot. Low frequency mechanical stimulation significantly decreased expression of PPARγ after 3 days and FABP4 after 3 and 5 days versus non-stimulated culture. ERK signaling was decreased in mechanically-stimulated culture, indicating a role in the inhibition of adipogenic differentiation. Applicat

Evidence level

Evidence from laboratory and animal studies provides groundwork for understanding mechanisms and potential before human studies continue.

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