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Oral squamous cell carcinoma detection by salivary biomarkers in a Serbian population

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2011
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Authors
Brinkmann, Ole
Kastratović, Dragana A.
Dimitrijević, Milovan
Konstantinović, Vitomir
Jelovac, Drago
Antić, Jadranka
Nesić, Vladimir S.
Marković, Srđan Z.
Martinović, Željko
Akin, David
Spielmann, Nadine
Zhou, Hui
Wong, David T.
article (publishedVersion)
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Abstract
Early detection of oral squamous cell cancer (OSCC) is the key to improve the low 5-year survival rate. Using proteomic and genomic technologies we have previously discovered and validated salivary OSCC markers in American patients. The question arises whether these biomarkers are discriminatory in cohorts of different ethnic background. Six transcriptome (DUSP1, IL8, IL1B, OAZ1, SAT1, and S100P) and three proteome (IL1B, IL8, and M2BP) biomarkers were tested on 18 early and 17 late stage OSCC patients and 51 healthy controls with quantitative PCR and ELISA. Four transcriptome (IL8, IL1B, SAT1, and S100P) and all proteome biomarkers were significantly elevated (p lt 0.05) in OSCC patients. The combination of markers yielded an AUC of 0.86, 0.85 and 0.88 for OSCC total, T1-T2, and T3-T4, respectively. The sensitivity/specificity for OSCC total was 0.89/0.78, for T1-T2 0.67/0.96, and for T3-T4 0.82/0.84. In conclusion, seven of the nine salivary biomarkers (three proteins and four mRNA...s) were validated and performed strongest in late stage cancer. Patient-based salivary diagnostics is a highly promising approach for OSCC detection. This study shows that previously discovered and validated salivary OSCC biomarkers are discriminatory and reproducible in a different ethnic cohort. These findings support the feasibility to implement multi-center, multi-ethnicity clinical trials towards the pivotal validation of salivary biomarkers for OSCC detection.

Keywords:
Oral cancer / Biomarkers / Salivary diagnostics / Proteome / Transcriptome
Source:
Oral Oncology, 2011, 47, 1, 51-55
Publisher:
  • Elsevier Science Bv, Amsterdam
Funding / projects:
  • National Institute of Dental Research/National Institute of HealthUnited States Department of Health & Human ServicesNational Institutes of Health (NIH) - USA [R01 DE017170]

DOI: 10.1016/j.oraloncology.2010.10.009

ISSN: 1368-8375

PubMed: 21109482

WoS: 000286872500010

Scopus: 2-s2.0-79551513238
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URI
https://smile.stomf.bg.ac.rs/handle/123456789/1608
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