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Nimesulide and indomethacin induce apoptosis in head and neck cancer cells

Martina Pelzmann1, Dietmar Thurnher, Claudia Gedlicka

  • 1Department of Otorhinolaryngology, University of Vienna, Währinger Gürtel, Vienna, Austria. martina.pelzmann@aon.at

Journal of Oral Pathology & Medicine : Official Publication of the International Association of Oral Pathologists and the American Academy of Oral Pathology
|October 16, 2004
PubMed
Abstract

Insights

Non-steroidal anti-inflammatory drugs (NSAIDs) targeting cyclooxygenase-2 (COX-2) show potential in treating head and neck squamous cell carcinoma (HNSCC). These drugs induce cancer cell death and reduce cell numbers, suggesting a role in HNSCC therapy.

Area of Science:

  • Oncology
  • Pharmacology

Background:

  • Non-steroidal anti-inflammatory drugs (NSAIDs) inhibit cyclooxygenase (COX) enzymes.
  • Both COX-1 and COX-2 isoforms are implicated in cancer development.
  • Head and Neck Squamous Cell Carcinoma (HNSCC) is a significant area of oncological research.

Purpose of the Study:

  • To investigate the effects of COX-2 selective (nimesulide) and non-selective (indomethacin) NSAIDs on HNSCC cell lines.
  • To assess the impact of these NSAIDs on cancer cell proliferation and apoptosis.
  • To examine the expression levels of COX enzymes in HNSCC cells under NSAID treatment.

Main Methods:

  • Utilized HNSCC cell lines SCC-9 and SCC-25.
  • Assayed cell numbers and apoptosis using cell counting, immunofluorescence, and fluorescence-activated cell sorting (FACS).
  • Analyzed cyclooxygenase (COX) expression via Western blotting.

Main Results:

  • Both investigated HNSCC cell lines express COX-1 and COX-2.
  • Nimesulide and indomethacin treatment led to increased apoptosis and reduced cell numbers.
  • NSAID incubation resulted in the upregulation of COX-2 expression.

Conclusions:

  • NSAIDs, particularly COX inhibitors, demonstrate anti-cancer activity in HNSCC cell lines.
  • These findings suggest a potential therapeutic role for COX inhibitors in the treatment and prevention of HNSCC.
  • Further research into NSAIDs for HNSCC management is warranted based on observed anti-cancer effects.

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