Reprogrammed mouse astrocytes retain a "memory" of tissue origin and possess more tendencies for neuronal differentiation than reprogrammed mouse embryonic fibroblasts

Changhai Tian, Yongxiang Wang, Lijun Sun, Kangmu Ma, Jialin C Zheng

Research output: Contribution to journalArticle

19 Citations (Scopus)

Abstract

Direct reprogramming of a variety of somatic cells with the transcription factors Oct4 (also called Pou5f1), Sox2 with either Klf4 and Myc or Lin28 and Nanog generates the induced pluripotent stem cells (iPSCs) with marker similarity to embryonic stem cells. However, the difference between iPSCs derived from different origins is unclear. In this study, we hypothesized that reprogrammed cells retain a "memory" of their origins and possess additional potential of related tissue differentiation. We reprogrammed primary mouse astrocytes via ectopic retroviral expression of OCT3/4, Sox2, Klf4 and Myc and found the iPSCs from mouse astrocytes expressed stem cell markers and formed teratomas in SCID mice containing derivatives of all three germ layers similar to mouse embryonic stem cells besides semblable morphologies. To test our hypothesis, we compared embryonic bodies (EBs) formation and neuronal differentiation between iPSCs from mouse embryonic fibroblasts (MEFsiPSCs) and iPSCs from mouse astrocytes (mAsiPSCs). We found that mAsiPSCs grew slower and possessed more potential for neuronal differentiation compared to MEFsiPSCs. Our results suggest that mAsiPSCs retain a "memory" of the central nervous system, which confers additional potential upon neuronal differentiation.

Original languageEnglish (US)
Pages (from-to)128-140
Number of pages13
JournalProtein and Cell
Volume2
Issue number2
DOIs
StatePublished - Jan 1 2011

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Induced Pluripotent Stem Cells
Fibroblasts
Stem cells
Astrocytes
Tissue
Data storage equipment
Germ Layers
SCID Mice
Teratoma
Embryonic Stem Cells
Transcription Factors
Stem Cells
Central Nervous System
Neurology
Derivatives

Keywords

  • induced pluripotent stem cells
  • mouse astrocytes
  • neural progenitor cells
  • neuronal differentiation

ASJC Scopus subject areas

  • Biotechnology
  • Cell Biology
  • Drug Discovery
  • Biochemistry

Cite this

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AU - Tian, Changhai

AU - Wang, Yongxiang

AU - Sun, Lijun

AU - Ma, Kangmu

AU - Zheng, Jialin C

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