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Targeting epigenetic modulators using PROTAC degraders: Current status and future perspective.

Thomas Webb1, Conner Craigon1, Alessio Ciulli1

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Epigenetic drug discovery is advancing with targeted protein degraders like PROTACs. These novel approaches overcome limitations of traditional inhibitors, offering new cancer treatment strategies.

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Area of Science:

  • Molecular Biology
  • Genetics
  • Pharmacology

Background:

  • Epigenetic modulators regulate gene expression for adaptation.
  • Dysregulation of epigenetic processes is linked to cancer pathogenesis.
  • Current epigenetic drugs have limitations including toxicity and resistance.

Purpose of the Study:

  • To review epigenetic drug discovery.
  • To discuss the development of PROTAC degraders targeting epigenetic proteins.
  • To explore future perspectives in the field.

Main Methods:

  • Review of current literature on epigenetic drug discovery.
  • Analysis of PROTAC technology for targeting epigenetic proteins.
  • Exploration of synthetic lethality through genome-wide screens.

Main Results:

  • Small molecule inhibitors have limitations in recapitulating genetic knockdown effects.
  • Targeted protein degradation, exemplified by PROTACs, addresses the mechanistic disconnect.
  • PROTACs targeting epigenetic proteins can mimic genetic knockdown at the post-translational level.

Conclusions:

  • Targeted protein degradation offers a promising therapeutic approach for cancer.
  • PROTACs show potential for improved druggability and overcoming resistance.
  • Further research into PROTACs could revolutionize epigenetic cancer therapy.