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Knocking off cancer's HAT: CSS1477 disrupts oncogenic programs

Luyao Kevin Xu1, Panagiotis Ntziachristos2

  • 1Department of Biomolecular Medicine, Ghent University, Ghent, Belgium; Center for Medical Genetics, Ghent University and University Hospital, Ghent, Belgium; Bioscience, Oncology R&D, AstraZeneca, Waltham, MA, USA.

Cell Chemical Biology
|December 22, 2023
PubMed

Insights

New research shows the small-molecule inhibitor CSS1477 shows promise for targeting EP300/CBP in blood cancers. This offers a potential new treatment option for patients with no other therapeutic choices.

Area of Science:

  • Oncology
  • Molecular Biology
  • Epigenetics

Background:

  • EP300 and CBP are crucial histone acetyltransferases involved in gene regulation.
  • These proteins are recruited to chromatin by oncogenic transcription factors.
  • Their activity in enhancer regions controls cellular transcriptional programs.

Purpose of the Study:

  • To evaluate the therapeutic potential of the small-molecule inhibitor CSS1477.
  • To investigate CSS1477 as a targeted therapy for blood tumors.
  • To offer new treatment avenues for patients with limited options.

Main Methods:

  • Utilized the small-molecule inhibitor CSS1477.
  • Focused on targeting EP300/CBP histone acetyltransferases.
  • Clinical application in patients with blood tumors was considered.

Main Results:

  • CSS1477 demonstrates promise in targeting EP300/CBP.
  • The inhibitor offers potential for treating blood malignancies.
  • Provides a novel therapeutic strategy for refractory cases.

Conclusions:

  • Targeting EP300/CBP with CSS1477 presents a promising therapeutic strategy.
  • This approach may benefit patients with blood tumors lacking other options.
  • Further research into CSS1477 efficacy is warranted.

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