The adipose mesenchymal stem cell secretome inhibits inflammatory responses of microglia: evidence for an involvement of sphingosine-1-phosphate signalling

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Central nervous system (CNS) inflammation is primarily driven by microglial cells which secrete proinflammatory cytokines and undergo proliferation upon activation, as it occurs in neurodegenerative diseases. Uncontrolled or prolonged CNS inflammation is potentially harmful and can result in cellular damage. Recently, many studies have focused on human adipose tissue as an attractive source of cytokines with immunosuppressive properties that potentially modulate inflammation. Our study aimed to evaluate if different methods of human tissue collection could affect adipose mesenchymal stem cell (ADSC)-derived cytokine secretion and investigate the effects of ADSC secretome in modulating microglia activation and the possible implication of sphingosine-1-phosphate (S1P) in these effects. Our results demonstrate that the conditioned medium (CM) of ADSCs isolated by two different processing methods …

Autori

Giovanni Marfia, Stefania Elena Navone, Loubna Abdel Hadi, Moira Paroni, Valeria Berno, Matteo Beretta, Roberta Gualtierotti, Francesca Ingegnoli, Vincenzo Levi, Monica Miozzo, Jens Geginat, Lorenzo Fassina, Paolo Rampini, Carlo Tremolada, Laura Riboni, Rolando Campanella

Pubblicazione

Stem Cells and Development

Anno

2016