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Novel hydrogel system eliminates subculturing and improves retention of nonsenescent mesenchymal stem cell populations
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Issue Date
2022-10-12Article Version
Scholarly/refereed, publisher version
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Aim: To compare the physiological behavior of mesenchymal stem/stromal cells (MSCs) within an expandable tissue-mimetic 3D system relative to in vitro expansion in a traditional 2D system. Methods: Adipose-derived MSCs (ASCs) were continuously cultured for 6 weeks on either 2D culture plastic or in a 3D hydrogel system that eliminated subculturing. ASCs were assessed for senescence, ‘stem-like’ MSC markers, and ability for their secretome to augment a secondary cell population. Results: The 3D hydrogel system resulted in an enhanced retention of more regenerative, nonsenescent ASC populations that exhibited increased expression of ‘stem-like’ MSC surface markers. Conclusion: This study introduces a proof-of-concept design for a novel modular 3D system that can improve in vitro expansion of stem-like cell populations for future regenerative therapies.
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Hodge, J. G., Robinson, J. L., & Mellott, A. J. (2023). Novel hydrogel system eliminates subculturing and improves retention of nonsenescent mesenchymal stem cell populations. Regenerative medicine, 18(1), 23–36. https://doi.org/10.2217/rme-2022-0140
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