Mesenchymal Stem Cells From Mouse Hair Follicles Reduce Hypertrophic Scarring in a Murine Wound Healing Model
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Published:2022-01-26
Issue:6
Volume:18
Page:2028-2044
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ISSN:2629-3269
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Container-title:Stem Cell Reviews and Reports
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language:en
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Short-container-title:Stem Cell Rev and Rep
Author:
Li Hanluo, Ziemer Mirjana, Stojanovic Ivana, Saksida Tamara, Maksimovic-Ivanic Danijela, Mijatovic Sanja, Djmura Goran, Gajic Dragica, Koprivica Ivan, Krajnovic Tamara, Draca Dijana, Simon Jan-Christoph, Lethaus Bernd, Savkovic VukORCID
Abstract
AbstractWound healing of acute full-thickness injuries and chronic non-healing ulcers leads to delayed wound closure, prolonged recovery period and hypertrophic scarring, generating a demand for an autologous cell therapy and a relevant pre-clinical research models for wound healing. In this study, an immunocompetent model for wound healing was employed using a syngeneic murine cell line of mesenchymal stem cells cultured from the mouse whisker hair follicle outer root sheath (named moMSCORS). moMSCORS were isolated using an air-liquid interface method, expanded in vitro and characterized according to the MSC definition criteria - cell viability, in vitro proliferation, MSC phenotype and multi-lineage differentiations. Moreover, upon applying moMSCORS in an in vivo full-thickness wound model in the syngeneic C57BL/6 mice, the treated wounds displayed different morphology to that of the untreated wound beds. Quantitative evaluation of angiogenesis, granulation and wound closure involving clinical scoring and software-based quantification indicated a lower degree of inflammation in the treated wounds. Histological staining of treated wounds by the means of H&E, Alcian Blue, PicroSirius Red and αSMA immune labelling showed lower cellularity, less collagen filaments as well as thinner dermal and epidermal layers compared with the untreated wounds, indicating a general reduction of hypertrophic scars. The decreased inflammation, accelerated wound closure and non-hypertrophic scarring, which were facilitated by moMSCORS, hereby address a common problem of hypertrophic scars and non-physiological tissue properties upon wound closure, and additionally offer an in vivo model for the autologous cell-based wound healing.
Graphic Abstract
Funder
Sächsisches Staatsministerium für Wissenschaft und Kunst Deutsche Forschungsgemeinschaft Erasmus+ Ministarstvo Prosvete, Nauke i Tehnološkog Razvoja Universität Leipzig
Publisher
Springer Science and Business Media LLC
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