Post-translational modifications of histones H3 and H4 associated with the histone methyltransferases Suv39h1 and G9a
2007

Histone Modifications Associated with Suv39h1 and G9a

Sample size: 4 publication Evidence: moderate

Author Information

Author(s): Robin Philippe, Fritsch Lauriane, Philipot Ophélie, Svinarchuk Fedor, Ait-Si-Ali Slimane

Primary Institution: Centre National de la Recherche Scientifique (CNRS)

Hypothesis

Specific combinations of post-translational modifications of histones alter chromatin structure, facilitating gene transcription or silencing.

Conclusion

The study confirms known histone modifications associated with Suv39h1 and G9a and reveals an unexpected association between these repressor proteins and histone acetylation.

Supporting Evidence

  • Histone methyltransferases Suv39h1 and G9a were found to be associated with specific histone modifications.
  • Acetylation of histones was unexpectedly associated with repressor proteins Suv39h1 and G9a.
  • Different cell lines showed varying levels of histone modifications, indicating a link between histone changes and cancer.

Takeaway

This study looks at how certain changes to proteins called histones can affect how genes are turned on or off, especially in cancer cells.

Methodology

The study used double immunopurification and mass spectrometry to analyze histone modifications in different cell lines.

Participant Demographics

The study involved normal liver cells and HeLa cells, including those expressing tagged forms of Suv39h1 and G9a.

Digital Object Identifier (DOI)

10.1186/gb-2007-8-12-r270

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