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Analysis of the salivary proteome in gingivitis patients

2011; Wiley; Linguagem: Inglês

10.1111/j.1600-0765.2011.01378.x

1600-0765

Lorena Da Rós Gonçalves, Márcia Regina Soares, Fábio César Sousa Nogueira, Carlos Saraiva-Garcia, Danielle Resende Camisasca, Gilberto B. Domont, Alfredo Carlos Rodrigues Feitosa, Denise de Abreu Pereira, Russolina B. Zingali, Gilda Alves,

Antimicrobial Peptides and Activities

Gonçalves L da R, Soares MR, Nogueira FCS, Garcia CHS, Camisasca DR, Domont G, Feitosa ACR, Pereira DA, Zingali RB, Alves G. Analysis of the salivary proteome in gingivitis patients. J Periodont Res 2011; 46: 599–606.©2011 John Wiley & Sons A/S Background and Objective: Gingivitis is a disease that is characterized by inflammation of the gingival tissue, which can progress to periodontitis and tooth loss. Although many studies have attempted to identify salivary proteins that are associated with the disease, this is the first study to use a proteomic approach to analyze and compare the proteomic profile of whole saliva from gingivitis patients and healthy controls. Material and Method: To analyze the saliva proteome, two-dimensional gel electrophoresis and liquid chromatography were used, followed by mass spectrometry. Results: The analyses showed that gingival inflammation was associated with increased amounts of blood proteins (serum albumin and hemoglobin), immunoglobulin peptides and keratins. In the control group, salivary cystatins, which were detected using capillary Liquid Chromatography on line to electrospray ionization Quadrupole Time-of-flight mass spectrometry, appeared to be more abundant. Conclusion: This approach provides novel insight into profiles of the salivary proteome during gingival inflammation, which may contribute to improvements in diagnosis.