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A targeted proteomic strategy for the measurement of oral cancer candidate biomarkers in human saliva.


ABSTRACT: Head and neck cancers, including oral squamous cell carcinoma (OSCC), are the sixth most common malignancy in the world and are characterized by poor prognosis and a low survival rate. Saliva is oral fluid with intimate contact with OSCC. Besides non-invasive, simple, and rapid to collect, saliva is a potential source of biomarkers. In this study, we build an SRM assay that targets fourteen OSCC candidate biomarker proteins, which were evaluated in a set of clinically-derived saliva samples. Using Skyline software package, we demonstrated a statistically significant higher abundance of the C1R, LCN2, SLPI, FAM49B, TAGLN2, CFB, C3, C4B, LRG1, SERPINA1 candidate biomarkers in the saliva of OSCC patients. Furthermore, our study also demonstrated that CFB, C3, C4B, SERPINA1 and LRG1 are associated with the risk of developing OSCC. Overall, this study successfully used targeted proteomics to measure in saliva a panel of biomarker candidates for OSCC.

SUBMITTER: Kawahara R 

PROVIDER: S-EPMC4703492 | biostudies-literature | 2016 Jan

REPOSITORIES: biostudies-literature

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A targeted proteomic strategy for the measurement of oral cancer candidate biomarkers in human saliva.

Kawahara Rebeca R   Bollinger James G JG   Rivera César C   Ribeiro Ana Carolina P AC   Brandão Thaís Bianca TB   Paes Leme Adriana F AF   MacCoss Michael J MJ  

Proteomics 20151215 1


Head and neck cancers, including oral squamous cell carcinoma (OSCC), are the sixth most common malignancy in the world and are characterized by poor prognosis and a low survival rate. Saliva is oral fluid with intimate contact with OSCC. Besides non-invasive, simple, and rapid to collect, saliva is a potential source of biomarkers. In this study, we build an SRM assay that targets fourteen OSCC candidate biomarker proteins, which were evaluated in a set of clinically-derived saliva samples. Usi  ...[more]

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