Xenobiotic Sulforaphane in Head and Neck Cancer: Beyond the Nrf2 Pathway

Alessandro Polizzi1, Rossella Rotondo2,3, Sabrina Donati Zeppa2

  • 1Department of General Surgery and Surgical-Medical Specialties, School of Dentistry, University of Catania, 95124 Catania, Italy.

Insights

Sulforaphane, found in cruciferous vegetables, shows potential in fighting head and neck cancers (HNCs). It may inhibit tumor growth and enhance conventional treatments, but more clinical research is needed.

Area of Science:

  • Oncology
  • Molecular Biology
  • Nutritional Science

Background:

  • Head and neck cancers (HNCs) pose a significant global health challenge with limited treatment options for advanced stages.
  • Naturally derived compounds are being explored for their chemopreventive and therapeutic potential in HNCs.
  • Sulforaphane, a compound from cruciferous vegetables, modulates key cellular pathways relevant to cancer.

Purpose of the Study:

  • To review the current evidence on the biological effects of sulforaphane in head and neck cancers.
  • To explore the molecular mechanisms of sulforaphane's action, particularly its modulation of the Nrf2 pathway.
  • To assess sulforaphane's potential as a chemopreventive or therapeutic agent in HNC.

Main Methods:

  • Review of existing scientific literature on sulforaphane and HNCs.
  • Analysis of studies detailing sulforaphane's molecular mechanisms of action.
  • Examination of research on sulforaphane's effects on tumor growth, apoptosis, cell cycle, and signaling pathways.
  • Evaluation of studies investigating sulforaphane's impact on conventional cancer therapies.

Main Results:

  • Sulforaphane modulates redox balance, epigenetic regulation, and oncogenic signaling pathways.
  • It inhibits HNC growth via apoptosis induction, cell cycle arrest, and suppression of oncogenic pathways, extending beyond Nrf2 activation.
  • Sulforaphane enhances the efficacy of chemotherapy, radiotherapy, and photodynamic therapy in HNC models.
  • The nuclear factor erythroid 2-related factor 2 (Nrf2) pathway is a key target modulated by sulforaphane.

Conclusions:

  • Sulforaphane exhibits promising anticancer properties against head and neck cancers through multiple molecular mechanisms.
  • It may serve as a valuable adjunct to conventional treatments, improving therapeutic outcomes.
  • Further clinical trials are essential to validate the translational potential of sulforaphane in HNC management.

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