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Cultivate Primary Nasal Epithelial Cells from Children and Reprogram into Induced Pluripotent Stem Cells
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Epigenetic memory of cell fate commitment.

Adel Elsherbiny1, Gergana Dobreva1

  • 1Department of Anatomy and Developmental Biology, European Center for Angioscience (ECAS), Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany; German Centre for Cardiovascular Research (DZHK), Germany.

Current Opinion in Cell Biology
|February 3, 2021
PubMed
Summary
This summary is machine-generated.

Cell fate decisions are maintained through epigenetic memory, involving histone modifications and mitotic bookmarking factors. DNA replication presents opportunities to alter cell identity, impacting inheritance of chromatin states.

Keywords:
Cell fateCell identityChromatin stateEepigenetic memoryInheritanceMitotic bookmarking

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Area of Science:

  • Developmental biology
  • Epigenetics
  • Cell biology

Background:

  • Cell fate determination relies on precise spatiotemporal signaling during development.
  • Morphogen signals initiate transcriptional and epigenetic programming for cell identity.
  • Maintaining cell identity through cell division is crucial, with DNA replication posing a risk of alteration.

Purpose of the Study:

  • To review recent advances in understanding epigenetic memory of cell fate.
  • To focus on molecular mechanisms, including histone modifications and mitotic bookmarking.
  • To discuss the inheritance of active and repressed chromatin states.

Main Methods:

  • Literature review of recent research on epigenetic memory.
  • Focus on histone modifications and their role in cell fate.
  • Analysis of mitotic bookmarking factors and chromatin inheritance mechanisms.

Main Results:

  • Epigenetic memory ensures stable cell fate through cell division.
  • Histone modifications and mitotic bookmarking factors are key molecular players.
  • Distinct mechanisms govern the inheritance of repressed and active chromatin.

Conclusions:

  • Epigenetic mechanisms are vital for sustaining cell identity post-determination.
  • Understanding these mechanisms provides insights into developmental stability and potential fate alterations.
  • Further research into chromatin inheritance will clarify cell fate plasticity.