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COMPASS and SWI/SNF complexes in development and disease
Bercin K Cenik1,2, Ali Shilatifard3,4
1Simpson Querrey Institute for Epigenetics, Northwestern University Feinberg School of Medicine, Chicago, IL, USA.
Nature Reviews. Genetics
|September 22, 2020
Summary
The Trithorax group (TrxG) proteins are key epigenetic regulators. They maintain active gene expression, and their dysregulation is linked to developmental disorders and cancers.
Area of Science:
- Molecular Biology
- Epigenetics
- Developmental Biology
Background:
- The Trithorax group (TrxG) comprises proteins that counteract Polycomb group-mediated gene silencing.
- TrxG proteins are essential for maintaining active gene expression programs during development.
Purpose of the Study:
- To elucidate the roles of COMPASS and SWI/SNF complexes within the TrxG.
- To understand how TrxG proteins regulate gene expression and developmental programs.
- To investigate the link between TrxG misregulation and human pathologies.
Main Methods:
- Review of recent studies on TrxG protein families.
- Analysis of COMPASS (histone H3 lysine 4 methyltransferases) functions.
- Examination of SWI/SNF (chromatin remodelling complexes) roles.
Main Results:
- COMPASS and SWI/SNF are crucial TrxG families.
- These complexes dynamically regulate gene expression.
- Genetic abnormalities in TrxG proteins are associated with diseases.
Conclusions:
- TrxG proteins, particularly COMPASS and SWI/SNF, are vital epigenetic regulators.
- Their proper function is critical for normal development.
- Dysregulation contributes to developmental disorders and malignancies.
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