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Review
. 2016 Jan 11:7:7.
doi: 10.1186/s13287-015-0271-2.

Biodistribution, migration and homing of systemically applied mesenchymal stem/stromal cells

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Review

Biodistribution, migration and homing of systemically applied mesenchymal stem/stromal cells

Johannes Leibacher et al. Stem Cell Res Ther. .

Abstract

Mesenchymal stem/stromal cells (MSCs) are increasingly used as an intravenously applied cellular therapeutic. They were found to be potent in situations such as tissue repair or severe inflammation. Still, data are lacking with regard to the biodistribution of MSCs, their cellular or molecular target structures, and the mechanisms by which MSCs reach these targets. This review discusses current hypotheses for how MSCs can reach tissue sites. Both preclinical and clinical studies using MSCs applied intravenously or intra-arterially are discussed in the context of our current understanding of how MSCs might work in physiological and pathological situations.

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Figures

Fig. 1
Fig. 1
Possible ways that MSCs interact within the local environment of the bloodstream. Descriptions of cell types are shown below and the possible interactions are circled in green. APC antigen-presenting cell, EC endothelial cell, IBMIR instant blood mediated inflammatory response, IFN interferon, MHC major histocompatibility complex, MSC mesenchymal stem/stromal cell, NK natural killer, Treg regulatory T cell

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