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Title: Modulation of the Mesenchymal Stem Cell Secretome Using Computer-Controlled Bioreactors: Impact on Neuronal Cell Proliferation, Survival and Differentiation
Authors: Teixeira, Fábio G.
Panchalingam, Krishna M.
Assunção-Silva, Rita
Serra, Sofia C.
Mendes-Pinheiro, Bárbara
Patrício, Patrícia
Jung, Sunghoon
Anjo, Sandra I. 
Manadas, Bruno 
Pinto, Luísa 
Sousa, Nuno
Behie, Leo A.
Salgado, António J. 
Issue Date: 15-Jun-2016
Publisher: Springer Nature
Project: We acknowledge the financial support of the Portuguese Foundation for Science and Technology (FCT) for a Ciência 2007 program and IF Development Grant (AJS), a pre-doctoral fellowship to FGT (SFRH/69637/2010) and a PhD fellowship to SA (SFRH/BD/81495/2011), a Canada Research Chair in Biomedical Engineering (LAB) and a SSE Postdoctoral Fellowship (KMP). Prémios Santa Casa Neurociências - Prize Melo e Castro for Spinal Cord Injury Research. PEst-C/SAU/LA0001/2013-2014. Co-funded by “COMPETE Programa Operacional Factores de Competitividade”, QREN, the European Union (FEDER – Fundo Europeu de Desenvolvimento Regional) and by The National Mass Spectrometry Network (RNEM) under the contract REDE/1506/REM/2005. 
Serial title, monograph or event: Scientific Reports
Volume: 6
Issue: 1
Abstract: In recent years it has been shown that the therapeutic benefits of human mesenchymal stem/stromal cells (hMSCs) in the Central Nervous System (CNS) are mainly attributed to their secretome. The implementation of computer-controlled suspension bioreactors has shown to be a viable route for the expansion of these cells to large numbers. As hMSCs actively respond to their culture environment, there is the hypothesis that one can modulate its secretome through their use. Herein, we present data indicating that the use of computer-controlled suspension bioreactors enhanced the neuroregulatory profile of hMSCs secretome. Indeed, higher levels of in vitro neuronal differentiation and NOTCH1 expression in human neural progenitor cells (hNPCs) were observed when these cells were incubated with the secretome of dynamically cultured hMSCs. A similar trend was also observed in the hippocampal dentate gyrus (DG) of rat brains where, upon injection, an enhanced neuronal and astrocytic survival and differentiation, was observed. Proteomic analysis also revealed that the dynamic culturing of hMSCs increased the secretion of several neuroregulatory molecules and miRNAs present in hMSCs secretome. In summary, the appropriate use of dynamic culture conditions can represent an important asset for the development of future neuro-regenerative strategies involving the use of hMSCs secretome.
ISSN: 2045-2322
DOI: 10.1038/srep27791
Rights: openAccess
Appears in Collections:I&D CNC - Artigos em Revistas Internacionais

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