Abstract:
:Endothelin-1 (ET-1) is a potent vasoconstrictor involved not only in vascular biology but also in carcinogenesis. Results of a study in 2007 suggested salivary ET-1 as a potential biomarker for oral squamous cell carcinoma (OSCC), but a later study showed conflicting results. The purpose of our pilot study was to investigate feasibility of using salivary ET-1 as a biomarker for OSCC in two groups: oral lichen planus (OLP) patients and patients with OSCC in remission. Saliva samples were collected from five groups of subjects: patients with newly diagnosed, active OSCC (Group A); patients with OSCC in remission (Group B); patients with active OLP lesions (Group C); patients with OLP in remission (Group D); and normal controls (Group E). Salivary ET-1 levels were determined by enzyme-linked immunosorbent assay, and the results were analyzed by the Mann-Whitney U test. The mean salivary ET-1 level in Group A was significantly higher than that found in Group C (p=0.001), Group D (p=0.015) or Group E (p=0.004). There were no significant differences (p>0.05) in the mean salivary ET-1 levels between Groups A and B; Groups B and C; Groups B and D; Groups B and E; Groups C and D; Groups C and E; or Groups D and E. Salivary ET-1 could be a good biomarker for OSCC development in OLP patients regardless of the degree of OLP disease activity. However, it appeared not to be a good biomarker for detecting recurrence of OSCC in patients in remission.
journal_name
Oral Oncoljournal_title
Oral oncologyauthors
Cheng YS,Rees T,Jordan L,Oxford L,O'Brien J,Chen HS,Wong Ddoi
10.1016/j.oraloncology.2011.07.032subject
Has Abstractpub_date
2011-12-01 00:00:00pages
1122-6issue
12eissn
1368-8375issn
1879-0593pii
S1368-8375(11)00773-1journal_volume
47pub_type
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