Thermoresponsive and Injectable Pluronic F127 Hydrogel for Loading Adipose-Derived Mesenchymal Stem Cells
BACKGROUND: Stem cell-based therapies display immense potential in regenerative medicine, highlighting the crucial significance of devising efficient delivery methods. This study centers on a pioneering approach that utilizes Pluronic F127 (PF127) as a thermoresponsive and injectable hydrogel designed for the encapsulation of adipose-derived mesenchymal stem cells (AdMSCs).
METHODS: The degradation profile, gelation time, and microstructure of the PF127 hydrogel were thoroughly examined. AdMSCs were isolated, expanded, and characterized based on their multi-lineage differentiation potential. AdMSCs from the third passage were specifically employed for encapsulation within the PF127 hydrogel. Subsequently, the cytotoxicity of the AdMSC-loaded PF127 hydrogel was assessed using 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) and apoptosis assays.
RESULTS: Characterized by scanning electron microscopy (SEM), the PF127 hydrogel exhibited a porous structure, indicating its suitability for accommodating AdMSCs and facilitating wound healing. The PF127 hydrogel demonstrated reversible phase transitions, rendering it suitable for in vivo applications. Studies on the gelation time of PF127 hydrogel unveiled a concentration-dependent decrease in gelation time, offering adaptability for diverse medical applications. Analysis of the degradation profile showcased a seven-day degradation period, leading to the decision for weekly topical applications. Cytotoxicity assessments confirmed that AdMSCs loaded into the PF127 hydrogel maintained heightened metabolic activity for up to one week, affirming the safety and appropriateness of the PF127 hydrogel for encapsulating cellular therapeutics. Furthermore, cell apoptosis assays consistently indicated low rates of apoptosis, emphasizing the viability and robust health of AdMSCs when delivered within the hydrogel.
CONCLUSIONS: These findings underscore the vast potential of PF127 hydrogel as a versatile and biocompatible delivery system for AdMSCs in the realm of regenerative medicine. Boasting adjustable gelation properties and a remarkable capacity for cell encapsulation, this pioneering delivery system presents a promising path for applications in tissue engineering and wound healing. Ultimately, these advancements propel and elevate the landscape of regenerative medicine.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2024 |
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| Erschienen: |
2024 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:36 |
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| Enthalten in: |
Discovery medicine - 36(2024), 181 vom: 29. Feb., Seite 294-307 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Sharun, Khan [VerfasserIn] |
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| Links: |
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| Themen: |
106392-12-5 |
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| Anmerkungen: |
Date Completed 28.02.2024 Date Revised 28.02.2024 published: Print Citation Status MEDLINE |
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| doi: |
10.24976/Discov.Med.202436181.28 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM368997936 |
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| 520 | |a BACKGROUND: Stem cell-based therapies display immense potential in regenerative medicine, highlighting the crucial significance of devising efficient delivery methods. This study centers on a pioneering approach that utilizes Pluronic F127 (PF127) as a thermoresponsive and injectable hydrogel designed for the encapsulation of adipose-derived mesenchymal stem cells (AdMSCs) | ||
| 520 | |a METHODS: The degradation profile, gelation time, and microstructure of the PF127 hydrogel were thoroughly examined. AdMSCs were isolated, expanded, and characterized based on their multi-lineage differentiation potential. AdMSCs from the third passage were specifically employed for encapsulation within the PF127 hydrogel. Subsequently, the cytotoxicity of the AdMSC-loaded PF127 hydrogel was assessed using 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) and apoptosis assays | ||
| 520 | |a RESULTS: Characterized by scanning electron microscopy (SEM), the PF127 hydrogel exhibited a porous structure, indicating its suitability for accommodating AdMSCs and facilitating wound healing. The PF127 hydrogel demonstrated reversible phase transitions, rendering it suitable for in vivo applications. Studies on the gelation time of PF127 hydrogel unveiled a concentration-dependent decrease in gelation time, offering adaptability for diverse medical applications. Analysis of the degradation profile showcased a seven-day degradation period, leading to the decision for weekly topical applications. Cytotoxicity assessments confirmed that AdMSCs loaded into the PF127 hydrogel maintained heightened metabolic activity for up to one week, affirming the safety and appropriateness of the PF127 hydrogel for encapsulating cellular therapeutics. Furthermore, cell apoptosis assays consistently indicated low rates of apoptosis, emphasizing the viability and robust health of AdMSCs when delivered within the hydrogel | ||
| 520 | |a CONCLUSIONS: These findings underscore the vast potential of PF127 hydrogel as a versatile and biocompatible delivery system for AdMSCs in the realm of regenerative medicine. Boasting adjustable gelation properties and a remarkable capacity for cell encapsulation, this pioneering delivery system presents a promising path for applications in tissue engineering and wound healing. Ultimately, these advancements propel and elevate the landscape of regenerative medicine | ||
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| 700 | 1 | |a Pal, Amar |e verfasserin |4 aut | |
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