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Title: Human mesenchymal stromal cell sheets induce macrophages predominantly to an anti-inflammatory phenotype
Authors: Panithi Sukho
Jan Willem Hesselink
Nicole Kops
Jolle Kirpensteijn
Femke Verseijden
Yvonne M. Bastiaansen-Jenniskens
Departement Geneeskunde van Gezelschapsdieren, Universiteit Utrecht
Erasmus University Medical Center
Mahidol University
Hill's Pet Nutrition Inc.
Keywords: Biochemistry, Genetics and Molecular Biology;Medicine
Issue Date: 1-Jul-2018
Citation: Stem Cells and Development. Vol.27, No.13 (2018), 922-934
Abstract: © Copyright 2018, Mary Ann Liebert, Inc. 2018. Tissue healing is a highly complex process involving a cascade of biochemical and cellular events. Excessive inflammation can impair the healing response. Previous in vitro studies have shown that mesenchymal stromal cells can modulate macrophage-induced inflammation and, therefore, are promising candidates for cell-based therapies aimed at promoting tissue repair. Recently, cell sheets were introduced as a new method of delivering stromal cells to the repair site. The goal of the current study was to compare the effect of different types of stromal cell sheets on the inflammatory state of macrophages in vitro. We compared the effects of adipose tissue-derived stromal cell (ASC) sheets, bone marrow derived stromal cell (BMSC) sheets, and fibroblast sheets on macrophage functional phenotype using flow cytometric analysis, gene expression, as well as cell sheet protein secretion. This was evaluated with and without inflammatory stimulation. Viability and senescence for the different types of sheet were also evaluated. Macrophages cultured in ASC sheet conditioned medium (CM) displayed a higher fluorescence intensity of the anti-inflammatory CD206 surface marker than when cultured in BMSC sheet CM and expressed more CCL18 and IL1RA than when cultured in fibroblast sheet CM. Moreover, ASC sheets had higher cell viability and less senescent cells than BMSC sheets and fibroblast sheets. Taken together, ASC and BMSC can stimulate the anti-inflammatory macrophage (M2) phenotype to a better extent than fibroblasts. It is suggested that ASC sheets might outperform BMSC sheets in an inflammatory situation since ASC sheet CM induced-macrophages have more M2 characteristics, and ASC in the sheet was more viable.
ISSN: 15578534
Appears in Collections:Scopus 2018

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