In vivo survival and differentiation of Friedreich ataxia iPSC-derived sensory neurons transplanted in the adult dorsal root ganglia
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Frausin, Stefano
Howden, Sara E
Lim, Shiang Y
Finol-Urdaneta, Rocio K
McArthur, Jeffrey R
Abu-Bonsrah, Kwaku Dad
Ng, Wayne
Ivanusic, Jason
Thompson, Lachlan
Dottori, Mirella
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Abstract
Friedreich ataxia (FRDA) is an autosomal recessive disease characterized by degeneration of dorsal root ganglia (DRG) sensory neurons, which is due to low levels of the mitochondrial protein Frataxin. To explore cell replacement therapies as a possible approach to treat FRDA, we examined transplantation of sensory neural progenitors derived from human embryonic stem cells (hESC) and FRDA induced pluripotent stem cells (iPSC) into adult rodent DRG regions. Our data showed survival and differentiation of hESC and FRDA iPSC-derived progenitors in the DRG 2 and 8 weeks post-transplantation, respectively. Donor cells expressed neuronal markers, including sensory and glial markers, demonstrating differentiation to these lineages. These results are novel and a highly significant first step in showing the possibility of using stem cells as a cell replacement therapy to treat DRG neurodegeneration in FRDA as well as other peripheral neuropathies.
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STEM CELLS Translational Medicine
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© 2021 The Authors. STEM CELLS TRANSLATIONAL MEDICINE published by Wiley Periodicals LLC on behalf of AlphaMed Press. This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.
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Biochemistry and cell biology
Medical biotechnology
Clinical sciences
dorsal root ganglia
human pluripotent stem cells
sensory neurons
transplantation
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Viventi, S; Frausin, S; Howden, SE; Lim, SY; Finol-Urdaneta, RK; McArthur, JR; Abu-Bonsrah, KD; Ng, W; Ivanusic, J; Thompson, L; Dottori, M, In vivo survival and differentiation of Friedreich ataxia iPSC-derived sensory neurons transplanted in the adult dorsal root ganglia, STEM CELLS Translational Medicine, 2021