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Mechanical and molecular parameters that influence the tendon differentiation potential of C3H10T1/2 cells in 2D-and 3D-culture systems

Abstract : One of the main challenges in tendon field relies in the understanding of regulators of the tendon differentiation program. The optimum culture conditions that favor tendon cell differentiation are not identified. Mesenchymal stem cells present the ability to differentiate into multiple lineages in cultures under different cues ranging from chemical treatment to physical constraints. We analyzed the tendon differentiation potential of C3H10T1/2 cells, a murine cell line of mesenchymal stem cells, upon different 2D- and 3D-culture conditions. We observed that C3H10T1/2 cells cultured in 2D conditions on silicone substrate were more prone to tendon differentiation assessed with the expression of the tendon markers Scx, Col1a1 and Tnmd as compared to cells cultured on plastic substrate. 3D fibrin environment was more favorable for Scx and Col1a1 expression compared to 2D-cultures. We also identified TGFβ2 as a negative regulator of Tnmd expression in C3H10T1/2 cells in 2D- and 3D-cultures. Altogether, our results provide us with a better understanding of the culture conditions that promote tendon gene expression and identify mechanical and molecular parameters on which we could play to define the optimum culture conditions that favor tenogenic differentiation in mesenchymal stem cells.
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https://hal.sorbonne-universite.fr/hal-02393829
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Submitted on : Wednesday, December 4, 2019 - 3:14:12 PM
Last modification on : Tuesday, March 17, 2020 - 2:32:02 PM
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Ludovic Gaut, Marie-Ange Bonnin, Isabelle Cacciapuoti, Monika Orpel, Mathias Mericskay, et al.. Mechanical and molecular parameters that influence the tendon differentiation potential of C3H10T1/2 cells in 2D-and 3D-culture systems. 2019. ⟨hal-02393829⟩

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