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Updated: Jan 20, 2026
12:12
In vivo Reprogramming of Adult Somatic Cells to Pluripotency by Overexpression of Yamanaka Factors
Published on: December 17, 2013
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Nac1 facilitates pluripotency gene activation for establishing somatic cell reprogramming
Hwan Choi1, Hyeok Ju Park2, Hongwon Kim1
1Laboratory of Stem Cells & Cell reprogramming, Department of Biomedical Engineering, Dongguk University, Seoul, 100-715, Republic of Korea.
Biochemical and Biophysical Research Communications
|August 16, 2019
Summary
Nac1 is a transcription factor that interacts with key pluripotency factors like Oct4 and Nanog. Its presence enhances somatic cell reprogramming efficiency, revealing its crucial role in establishing the pluripotent state.
Area of Science:
- Stem cell biology
- Epigenetics
- Molecular biology
Background:
- Transcription factors are crucial for establishing pluripotency during cell reprogramming.
- Oct4, Nanog, and Sox2 form the core pluripotency transcription network.
- Additional factors refine this network in induced pluripotent stem cells (iPSCs).
Purpose of the Study:
- To investigate the role of Nac1 in somatic cell reprogramming and pluripotency.
- To determine how Nac1 interacts with core pluripotency factors.
- To elucidate Nac1's contribution to the pluripotent state.
Main Methods:
- ChIP-sequencing to identify Nac1 co-occupancy at gene promoters.
- Analysis of gene expression changes.
- Assessment of somatic cell reprogramming efficiency with Nac1 knockdown and overexpression.
Main Results:
- Nac1 interacts with Oct4 and Nanog, co-occupying their target gene promoters.
- Nac1 coordinates gene expression with H3K4me3 during reprogramming.
- Nac1 knockdown inhibits reprogramming; Nac1 overexpression enhances iPSC generation.
Conclusions:
- Nac1 plays a genome-wide role in pluripotency circuitry.
- Nac1 is essential for regulating the establishment of the pluripotent state.
- Nac1 enhances the efficiency of induced pluripotent cell generation.
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