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Effect of systemic transplantation of bone marrow-derived mesenchymal stem cells on neuropathology markers in APP/PS1 Alzheimer mice

 
: Naaldijk, Yahaira; Jäger, Carsten; Fabian, Claire; Leovsky, Christiane; Blüher, A.; Rudolph, Lukas; Hinze, Arnd; Stolzing, Alexandra

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Neuropathology and applied neurobiology 43 (2017), No.4, pp.299-314
ISSN: 0305-1846
ISSN: 1365-2990
English
Journal Article
Fraunhofer IZI ()
Alzheimer's disease; β amyloid; astrocytes; mesenchymal stem cells; mesenchymale Stammzelle; microglia

Abstract
Aims: Mesenchymal stem cells (MSC) have recently attracted interest as a potential basis for a cell-based therapy of AD. We investigated the putative immune-modulatory effects in neuroinflammation of systemic transplantation of MSC into APP/PS1 transgenic mice. Methods: 106 MSC were injected into APP/PS1 mice via the tail vein and histological analysis was performed for microglia and amyloid (pE3-Aβ) plaque numbers, glial distribution and pE3-Aβ plaque size. In addition, a biochemical analysis by qPCR for pro-inflammatory, chemoattractant and neurotrophic factors was performed. Results: MSC are associated with pE3-Aβ plaques. The effects of transplantation on microglia-associated pathology could be observed after 28 days. Animals showed a reduction in microglial numbers in the cortex and in microglia size. Gene expression was reduced for TNF-α, IL-6, MCP-1, and for NGF, in MSC recipients.

: http://publica.fraunhofer.de/documents/N-423041.html