Elevated salivary endothelin levels in oral cancer patients-A pilot study

Victoria Pickering, Richard C.K. Jordan, Brian L. Schmidt

Research output: Contribution to journalArticlepeer-review


The analysis of saliva has been proposed as a potentially rapid, non-invasive method to monitor and diagnose patients with oral disease. In this study we measured salivary endothelin-1 (ET-1) levels in patients diagnosed with oral squamous cell carcinoma (SCC) prior to treatment. We demonstrate significantly elevated salivary ET-1 levels in the oral SCC group (4.37 ± 1.35 pg/ml), relative to the control group (1.16 ± 0.29 pg/ml). ET-1 and ET-1 mRNA were also measured in oral SCC tissue specimens and compared to normal oral epithelial controls. The concentration of ET-1 in the oral SCC specimens was 17.87 ± 4.0 pg/ml and in the normal epithelial controls the concentration of ET-1 was 5.43 ± 2.5 pg/ml. ET-1 mRNA was significantly overexpressed in 80% (8/10) of the oral SCC specimens. Our results demonstrate the potential utility of salivary analysis for ET-1 levels to monitor patients at risk for oral SCC.

Original languageEnglish (US)
Pages (from-to)37-41
Number of pages5
JournalOral Oncology
Issue number1
StatePublished - Jan 2007


  • ET-1
  • Endothelin
  • Oral cancer
  • Oral squamous cell carcinoma
  • Saliva

ASJC Scopus subject areas

  • Oral Surgery
  • Oncology
  • Cancer Research


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