Preprint Article Version 1 This version is not peer-reviewed

Comparative Analysis Between the In Vivo Biodistribution and Therapeutic Efficacy of Adipose-Derived Mesenchymal Stromal Cells Administered Intraperitoneally in Experimental Colitis

Version 1 : Received: 4 June 2018 / Approved: 5 June 2018 / Online: 5 June 2018 (11:33:18 CEST)

A peer-reviewed article of this Preprint also exists.

Lopez-Santalla, M.; Mancheño-Corvo, P.; Escolano, A.; Menta, R.; Delarosa, O.; Redondo, J.M.; Bueren, J.A.; Dalemans, W.; Lombardo, E.; Garin, M.I. Comparative Analysis between the In Vivo Biodistribution and Therapeutic Efficacy of Adipose-Derived Mesenchymal Stromal Cells Administered Intraperitoneally in Experimental Colitis. Int. J. Mol. Sci. 2018, 19, 1853. Lopez-Santalla, M.; Mancheño-Corvo, P.; Escolano, A.; Menta, R.; Delarosa, O.; Redondo, J.M.; Bueren, J.A.; Dalemans, W.; Lombardo, E.; Garin, M.I. Comparative Analysis between the In Vivo Biodistribution and Therapeutic Efficacy of Adipose-Derived Mesenchymal Stromal Cells Administered Intraperitoneally in Experimental Colitis. Int. J. Mol. Sci. 2018, 19, 1853.

Journal reference: Int. J. Mol. Sci. 2018, 19, 1853
DOI: 10.3390/ijms19071853

Abstract

Mesenchymal stem cells (MSCs) have emerged as a promising treatment for inflammatory diseases. It is described that the immunomodulatory effect of MSCs takes place both by direct cell-to-cell contact and by means of soluble factors that leads to an increased accumulation of regulatory immune cells at the sites of inflammation. Similar efficacy of MSCs has been described regardless the route of administration used, the inflammation conditions and the MHC context. These observations arise the question as to whether the migration of the MSCs to the inflamed tissues is a pre-requisite to achieve their beneficial effect. To address this, we examined the biodistribution and the efficacy of intraperitoneal luciferase-expressing human expanded adipose derived stem cells (Luci-eASCs) in a mouse model of colitis. Luci-eASC-infused mice were stratified according to their response to the Luci-eASC treatment. According to the stratification criteria, there was a tendency to increase the bioluminescence signal in the intestine at the expense of a decrease in the bioluminescence signal in the liver in the `responder´ mice. These data thus suggest that the accumulation of the eASCs to the inflamed tissues is beneficial to achieve an optimal modulation of inflammation.

Subject Areas

adipose-derived mesenchymal stem cells; intraperitoneal therapy; biodistribution; efficacy; colitis

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