Related Experiment Video

Updated: Aug 11, 2025

Reverse Yeast Two-hybrid System to Identify Mammalian Nuclear Receptor Residues that Interact with Ligands and/or Antagonists
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Published on: November 15, 2013

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Exploring structural effects in a new class of NRF2 inhibitors

Zhilin Hou1, Lizbeth Lockwood2, Di Zhang2

  • 1Department of Chemistry, Michigan State University 578 S. Shaw Ln. East Lansing Michigan 48824 USA odoma@msu.edu.

RSC Medicinal Chemistry
|February 10, 2023
PubMed

Insights

New compounds targeting the NRF2 pathway show promise for cancer treatment. These novel inhibitors block cancer cell proliferation and migration, offering potential for enhanced chemotherapy efficacy.

Area of Science:

  • Biochemistry
  • Medicinal Chemistry
  • Oncology

Background:

  • Nuclear factor erythroid 2-related factor 2 (NRF2) regulates cellular stress responses and is implicated in cancer suppression.
  • Constitutive NRF2 activation in cancer cells confers resistance to chemotherapy and promotes metastasis.
  • Targeting the NRF2 pathway is a strategy for novel cancer therapeutics, particularly in combination with existing agents.

Purpose of the Study:

  • To explore structure-activity relationships of substituted nicotinonitriles as NRF2 inhibitors.
  • To identify novel NRF2 inhibitors with improved properties, including enhanced solubility.
  • To evaluate the efficacy of these compounds in inhibiting cancer cell proliferation and migration.

Main Methods:

  • Synthesis of novel substituted nicotinonitriles using various metal-catalyzed reactions (e.g., Ti, Pd, Cu coupling).
  • Evaluation of NRF2 inhibitory activity and structure-activity relationships.
  • Assessment of compound effects on lung cancer cell proliferation and migration in vitro.

Main Results:

  • Identification of novel compounds with NRF2 inhibitory activity comparable or superior to existing agents.
  • Discovery of compounds with significantly improved solubility compared to initial hits.
  • Demonstration that new compounds inhibit proliferation and migration of NRF2-dependent lung cancer cells.

Conclusions:

  • Substituted nicotinonitriles represent a promising class of NRF2 inhibitors for cancer therapy.
  • Optimized compounds offer potential for improved drug development due to enhanced solubility and efficacy.
  • These inhibitors may overcome chemoresistance and reduce metastasis in NRF2-driven cancers.

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