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AIM To elucidate the profile of the salivary proteome.METHODS Unstimulated whole mouth saliva was collected from 30 volunteers [15 proliferative verrucous leukoplakia(PVL) patients and 15 controls] and proteins were submitted for mass spectrometry-based proteomics using the discovery approach,followed by analyses of variance and logistic regression tests.RESULTS A total of two hundred and eighty-three proteins were confidently identified in saliva.By combining two low abundance proteins from the PVL group,angiotensinogen(AGT) and dipeptidyl peptidase 1(DPP1),a model for group differentiation was built with a concordance index of 94.2%,identifying both proteins as potential etiologic biomarkers for PVL.CONCLUSION This study suggests that both AGT and DPP1 may be involved in developmental mechanisms of PVL.
AIM To elucidate the profile of the salivary proteome. METHODS Unstimulated whole mouth saliva was collected from 30 volunteers [15 proliferative verrucous leukemoplast (PVL) patients and 15 controls] and proteins were submitted for mass spectrometry-based proteomics using the discovery approach, followed by analyzes of variance and logistic regression tests .RESULTS A total of two hundred and eighty-three proteins were confidently identified in saliva.By combining two low abundance proteins from the PVL group, angiotensinogen (AGT) and dipeptidyl peptidase 1 (DPP1), a model for group differentiation was built with a concordance index of 94.2%, identifying both proteins as potential etiologic biomarkers for PVL. CONCLUSION This study suggests that both both AGT and DPP1 may be involved in developmental mechanisms of PVL.