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Article: Thiol-ene Michael-type formation of gelatin/poly(ethylene glycol) biomatrices for three-dimensional mesenchymal stromal/stem cell administration to cutaneous wounds

TitleThiol-ene Michael-type formation of gelatin/poly(ethylene glycol) biomatrices for three-dimensional mesenchymal stromal/stem cell administration to cutaneous wounds
Authors
KeywordsForeign body response
Cell-based therapy
Macrophages
Mesenchymal stem cells
Inflammation
Issue Date2013
Citation
Acta Biomaterialia, 2013, v. 9, n. 11, p. 8802-8814 How to Cite?
AbstractMesenchymal stromal/stem cells (MSCs) are considered promising cellular therapeutics in the fields of tissue engineering and regenerative medicine. MSCs secrete high concentrations of immunomodulatory cytokines and growth factors, which exert paracrine effects on infiltrating immune and resident cells in the wound microenvironment that could favorably promote healing after acute injury. However, better spatial delivery and improved retention at the site of injury are two factors that could improve the clinical application of MSCs. In this study, we utilized thiol-ene Michael-type addition for rapid encapsulation of MSCs within a gelatin/poly(ethylene glycol) biomatrix. This biomatrix was also applied as a provisional dressing to full thickness wounds in Sprague-Dawley rats. The three-way interaction of MSCs, gelatin/poly(ethylene glycol) biomatrices, and host immune cells and adjacent resident cells in the wound microenvironment favorably modulated wound progression and host response. In this model we observed attenuated immune cell infiltration, lack of foreign giant cell (FBGC) formation, accelerated wound closure and re-epithelialization, as well as enhanced neovascularization and granulation tissue formation by 7 days. The MSC entrapped in the gelatin/poly(ethylene glycol) biomatrix localized cell presentation adjacent to the wound microenvironment and thus mediated the early resolution of inflammatory events and facilitated the proliferative phases in wound healing. © 2013 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
Persistent Identifierhttp://hdl.handle.net/10722/216123
ISSN
2015 Impact Factor: 6.008
2015 SCImago Journal Rankings: 2.020

 

DC FieldValueLanguage
dc.contributor.authorXu, Kedi-
dc.contributor.authorCantu, David Antonio-
dc.contributor.authorFu, Yao-
dc.contributor.authorKim, Jaehyup-
dc.contributor.authorZheng, Xiaoxiang-
dc.contributor.authorHematti, Peiman-
dc.contributor.authorKao, W. John-
dc.date.accessioned2015-08-25T10:20:59Z-
dc.date.available2015-08-25T10:20:59Z-
dc.date.issued2013-
dc.identifier.citationActa Biomaterialia, 2013, v. 9, n. 11, p. 8802-8814-
dc.identifier.issn1742-7061-
dc.identifier.urihttp://hdl.handle.net/10722/216123-
dc.description.abstractMesenchymal stromal/stem cells (MSCs) are considered promising cellular therapeutics in the fields of tissue engineering and regenerative medicine. MSCs secrete high concentrations of immunomodulatory cytokines and growth factors, which exert paracrine effects on infiltrating immune and resident cells in the wound microenvironment that could favorably promote healing after acute injury. However, better spatial delivery and improved retention at the site of injury are two factors that could improve the clinical application of MSCs. In this study, we utilized thiol-ene Michael-type addition for rapid encapsulation of MSCs within a gelatin/poly(ethylene glycol) biomatrix. This biomatrix was also applied as a provisional dressing to full thickness wounds in Sprague-Dawley rats. The three-way interaction of MSCs, gelatin/poly(ethylene glycol) biomatrices, and host immune cells and adjacent resident cells in the wound microenvironment favorably modulated wound progression and host response. In this model we observed attenuated immune cell infiltration, lack of foreign giant cell (FBGC) formation, accelerated wound closure and re-epithelialization, as well as enhanced neovascularization and granulation tissue formation by 7 days. The MSC entrapped in the gelatin/poly(ethylene glycol) biomatrix localized cell presentation adjacent to the wound microenvironment and thus mediated the early resolution of inflammatory events and facilitated the proliferative phases in wound healing. © 2013 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.-
dc.languageeng-
dc.relation.ispartofActa Biomaterialia-
dc.subjectForeign body response-
dc.subjectCell-based therapy-
dc.subjectMacrophages-
dc.subjectMesenchymal stem cells-
dc.subjectInflammation-
dc.titleThiol-ene Michael-type formation of gelatin/poly(ethylene glycol) biomatrices for three-dimensional mesenchymal stromal/stem cell administration to cutaneous wounds-
dc.typeArticle-
dc.description.natureLink_to_subscribed_fulltext-
dc.identifier.doi10.1016/j.actbio.2013.06.021-
dc.identifier.pmid23811217-
dc.identifier.scopuseid_2-s2.0-84885036993-
dc.identifier.volume9-
dc.identifier.issue11-
dc.identifier.spage8802-
dc.identifier.epage8814-
dc.identifier.eissn1878-7568-

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