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      Single Transcription Factor Conversion of Human Blood Fate to NPCs with CNS and PNS Developmental Capacity.

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          Abstract

          The clinical applicability of direct cell fate conversion depends on obtaining tissue from patients that is easy to harvest, store, and manipulate for reprogramming. Here, we generate induced neural progenitor cells (iNPCs) from neonatal and adult peripheral blood using single-factor OCT4 reprogramming. Unlike fibroblasts that share molecular hallmarks of neural crest, OCT4 reprogramming of blood was facilitated by SMAD+GSK-3 inhibition to overcome restrictions on neural fate conversion. Blood-derived (BD) iNPCs differentiate in vivo and respond to guided differentiation in vitro, producing glia (astrocytes and oligodendrocytes) and multiple neuronal subtypes, including dopaminergic (CNS related) and nociceptive neurons (peripheral nervous system [PNS]). Furthermore, nociceptive neurons phenocopy chemotherapy-induced neurotoxicity in a system suitable for high-throughput drug screening. Our findings provide an easily accessible approach for generating human NPCs that harbor extensive developmental potential, enabling the study of clinically relevant neural diseases directly from patient cohorts.

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          Author and article information

          Journal
          Cell Rep
          Cell reports
          2211-1247
          Jun 9 2015
          : 11
          : 9
          Affiliations
          [1 ] Stem Cell and Cancer Research Institute, McMaster University, Hamilton, ON L8N 3Z5, Canada.
          [2 ] Stem Cell and Cancer Research Institute, McMaster University, Hamilton, ON L8N 3Z5, Canada; Department of Biochemistry and Biomedical Sciences, McMaster University, Hamilton, ON L8N 3Z5, Canada.
          [3 ] Stem Cell and Cancer Research Institute, McMaster University, Hamilton, ON L8N 3Z5, Canada; Department of Biochemistry and Biomedical Sciences, McMaster University, Hamilton, ON L8N 3Z5, Canada. Electronic address: mbhatia@mcmaster.ca.
          Article
          S2211-1247(15)00473-8
          10.1016/j.celrep.2015.04.056
          26004181
          Copyright © 2015 The Authors. Published by Elsevier Inc. All rights reserved.

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