Abstract：
:We here investigated whether the unique capacity of mesenchymal stem cells (MSCs) to re-establish tissue homeostasis depends on their potential to sense danger associated molecular pattern (DAMP) and to mount an adaptive response in the interest of tissue repair. Unexpectedly, after injection of MSCs which had been pretreated with the calcium-binding DAMP protein S100A8/A9 into murine full-thickness wounds, we observed a significant acceleration of healing even exceeding that of non-treated MSCs. This correlates with a fundamental reprogramming of the transcriptome in S100A8/A9 treated MSCs as deduced from RNA-seq analysis and its validation. A network of genes involved in proteolysis, macrophage phagocytosis, and inflammation control profoundly contribute to the clean-up of the wound site. In parallel, miR582-5p and genes boosting energy and encoding specific extracellular matrix proteins are reminiscent of scar-reduced tissue repair. This unprecedented finding holds substantial promise to refine current MSC-based therapies for difficult-to-treat wounds and fibrotic conditions.
journal_name
Sci Repjournal_title
Scientific reportsauthors
Basu A,Munir S,Mulaw MA,Singh K,Crisan D,Sindrilaru A,Treiber N,Wlaschek M,Huber-Lang M,Gebhard F,Scharffetter-Kochanek Kdoi
10.1038/s41598-018-24425-9subject
Has Abstractpub_date
2018-04-18 00:00:00pages
6205issue
1issn
2045-2322pii
10.1038/s41598-018-24425-9journal_volume
8pub_type
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