Comprehensive Gene Expression Analysis of Human Embryonic Stem Cells during Differentiation into Neural Cells
2011

Gene Expression Analysis of Human Embryonic Stem Cells Differentiating into Neural Cells

publication Evidence: high

Author Information

Author(s): Fathi Ali, Hatami Maryam, Hajihosseini Vahid, Fattahi Faranak, Kiani Sahar, Baharvand Hossein, Salekdeh Ghasem Hosseini

Primary Institution: Royan Institute for Stem Cell Biology and Technology, Avicenna Research Institute (ACECR), Tehran, Iran

Hypothesis

Global gene expression analysis of human embryonic stem cells (hESCs) that differentiate into neural cells would help to further define the molecular mechanisms involved in neurogenesis in humans.

Conclusion

The study enhances our understanding of the molecular dynamics underlying neural commitment and differentiation.

Supporting Evidence

  • Identified and validated time-dependent gene expression patterns during neural differentiation.
  • Showed that gene expression patterns reflect early ESC differentiation.
  • Revealed dynamic expression patterns of several signaling pathways during neural differentiation.
  • Highlighted the TGFβ family of genes as key players in neural ectoderm proliferation and maintenance.

Takeaway

Scientists studied how human stem cells turn into nerve cells by looking at the genes that are turned on and off during this process.

Methodology

The study used whole genome microarray technology to analyze gene expression at different stages of differentiation.

Statistical Information

P-Value

p<0.05

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1371/journal.pone.0022856

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