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Updated: Feb 22, 2026

Derivation of Adult Human Fibroblasts and their Direct Conversion into Expandable Neural Progenitor Cells
Published on: July 29, 2015
Reprogramming of somatic cells to induced neural stem cells
Ebrahim Shahbazi1, Fahimeh Mirakhori2, Vahid Ezzatizadeh3
1Department of Stem Cells and Developmental Biology, Cell Science Research Center, Royan Institute for Stem Cell Biology and Technology, ACECR, Tehran, Iran; Department of Developmental Biology, University of Science and Culture, Tehran, Iran.
Abstract:
Recent investigations have demonstrated that defined sets of exogenous factors (chemical and/or biochemical) can convert human and mouse somatic cells into induced neural stem cells (iNSCs). Considering the self-renewal and multi-potential differentiation capabilities of iNSCs, generation of these cells has considerably enhanced cell therapy for treatment of neurodegenerative disorders. These cells can also serve as models for investigation of the mechanism(s) underlying neurodegenerative diseases and as an asset in drug discovery. Meanwhile, using the process of direct conversion/transdifferentiation, by bypassing pluripotent state and consequently reducing tumorigenesis and genetic instability risks, establishment of several desired cells are feasible. In this review, we describe the pros and cons of different methods employed to directly reprogram somatic cells to iNSCs along with the progress of iNSCs applications and the future challenges.
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