Preprint Review Version 1 Preserved in Portico This version is not peer-reviewed

The Beneficial Potential of Genetically Modified Stem Cells in the Treatment of Stroke: A Review

Version 1 : Received: 11 November 2020 / Approved: 12 November 2020 / Online: 12 November 2020 (14:25:43 CET)

How to cite: Salehi, M.S.; Safari, A.; Pandamooz, S.; Jurek, B.; Hooshmandi, E.; Owjfard, M.; Bayat, M.; Zafarmand, S.S.; Miyan, J.; Borhani-Haghighi, A. The Beneficial Potential of Genetically Modified Stem Cells in the Treatment of Stroke: A Review. Preprints 2020, 2020110351 (doi: 10.20944/preprints202011.0351.v1). Salehi, M.S.; Safari, A.; Pandamooz, S.; Jurek, B.; Hooshmandi, E.; Owjfard, M.; Bayat, M.; Zafarmand, S.S.; Miyan, J.; Borhani-Haghighi, A. The Beneficial Potential of Genetically Modified Stem Cells in the Treatment of Stroke: A Review. Preprints 2020, 2020110351 (doi: 10.20944/preprints202011.0351.v1).

Abstract

The last two decades have witnessed a surge in investigations proposing stem cells as a promising strategy to treat stroke. Since growth factor release is considered as one of the most important aspects of cell-based therapy, stem cells over-expressing growth factors are hypothesized to yield higher levels of therapeutic efficiency. In pre-clinical studies of the last 15 years that were investigating the efficiency of stem cell therapy for stroke, a variety of stem cell types were genetically modified to over-express various factors. In this review we summarize the current knowledge on the therapeutic efficiency of stem cell-derived growth factors, encompassing techniques employed and time points to evaluate. In addition, we discuss several types of stem cells, including the recently developed model of epidermal neural crest stem cells, and genetically modified stem cells over-expressing specific factors, which could elevate the restorative potential of naive stem cells. The restorative potential is based on enhanced survival/differentiation potential of transplanted cells, apoptosis inhibition, infarct volume reduction, neovascularization or functional improvement. Since the majority of studies have focused on the short-term curative effects of genetically engineered stem cells, we emphasize the need to address their long-term impact.

Subject Areas

Cell therapy; MCAO; Stroke; Genetic engineering; Growth factors; Stem cells

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