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Reprogramming alters the gene expression in somatic cells, transforming them into induced pluripotent stem (iPS) cells over several generations. Scientists can reprogram cells by introducing genes for four transcription factors—Oct4, Sox2, Klf4, and c-Myc (OSKM) by viral or non-viral methods. These factors are also known as Yamanaka factors after Shinya Yamanaka, who first generated iPS cells using mouse skin cells. Yamanaka was awarded the Nobel Prize in Physiology or Medicine in 2012...
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Chromatin modification alters gene expression; therefore, scientists can add histone-modifying enzymes, histone variants, and chromatin remodeling complexes to somatic cells to aid reprogramming into pluripotent stem (iPS) cells.
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Epigenetics reloaded: the single-cell revolution.

Poonam Bheda1, Robert Schneider1

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Trends in Cell Biology
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Summary
This summary is machine-generated.

Understanding how epigenetic states are inherited through cell division is crucial. Single-cell epigenetics analyses, including microfluidics, are advancing this research by examining cellular heterogeneity and epigenetic mechanisms.

Keywords:
epigeneticsepigenomicslive cellmicrofluidicssingle cell

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Area of Science:

  • Epigenetics
  • Chromatin Biology
  • Cellular Biology

Background:

  • Epigenetic state inheritance through cell division is a fundamental, yet poorly understood, biological process.
  • Cellular heterogeneity and dynamic epigenetic states complicate the study of their heritability.
  • Single-cell analyses are essential for dissecting epigenetic mechanisms due to limited cellular material.

Purpose of the Study:

  • To review current single-cell methodologies for investigating epigenetic state inheritance.
  • To highlight innovative approaches in epigenetics research at the single-cell level.
  • To discuss future research directions, including epigenetic heterogeneity and microfluidics.

Main Methods:

  • Utilizing classic and cutting-edge techniques for single-cell epigenetics analysis.
  • Focusing on dissecting epigenetic mechanisms from limited cellular material.
  • Leveraging microfluidics for single-cell isolation and high-throughput analysis.

Main Results:

  • The presented approaches represent the forefront of single-cell epigenetics research.
  • These methods enable the dissection of epigenetic mechanisms at an unprecedented resolution.
  • The review synthesizes current knowledge and identifies key challenges.

Conclusions:

  • Single-cell epigenetics is critical for understanding heritability and cellular heterogeneity.
  • Microfluidics technologies offer powerful tools for advancing single-cell epigenetic studies.
  • Future research should focus on the functional significance of epigenetic heterogeneity.