Nicotine & tobacco research : official journal of the Society for Research on Nicotine and Tobacco · 2026
Salivary proteomic profiling of hookah and conventional cigarette users without clinical oral disease: Preliminary findings.
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Costa Thayná Isabele Stopiello, de Souza Salardani Murilo, do Carmo Carvalho Bruna Fernandes, Zimiani Caroline Faria, Santos Joyce Nascimento, De Rossi Tatiane, Almeida Janete Dias, Hayashi Jackelinne Yuka, Tashima Alexandre Keiji, Leme Adriana Franco Paes, Zelanis André, Alves Mônica Ghislaine Oliveira
Аннотация
INTRODUCTION: This study aimed to evaluate the profile of salivary proteins in young hookah and conventional cigarette users without apparent oral mucosal lesions, and to correlate the findings with clinical variables related to tobacco use.
METHODS: Whole saliva samples were collected from three groups: exclusive frequent hookah smokers, exclusive frequent cigarette smokers, and non-smokers. Participants were healthy young adults (18-40 years) of both sexes with good general and oral health. LC-MS/MS analyses were performed using Synapt G2 HDMS (Waters) coupled to the nano Acquity UPLC chromatography system (Waters). Database searches were performed using PEAKS Studio X+. The groups were compared and correlations between protein abundance and clinical variable, alcohol consumption, and duration of tobacco use were evaluated.
RESULTS AND CONCLUSIONS: The results revealed quantitative and functional changes in the salivary proteome of cigarette and hookah smokers, with enrichment of processes related to epigenetic regulation (chromatin/nucleosomes) and cell differentiation. However, cigarette exposure was associated with more pronounced functional pattern. Direct comparison of hookah and cigarette smokers identified three differentially abundant proteins (DAP) in the cigarette group (ALDH3A1, CSTA, and PGM2) and seven in the hookah group (LYPLAL1, IGLL5, PIP, PRSS8, UBA1, IGHV5-10-1, and SERPINB9). Finally, in silico validation using transcriptomic data from the TCGA PanCancer Atlas database for head and neck squamous cell carcinoma demonstrated that several genes corresponding to salivary DAP identified in smokers exhibit altered expression patterns in head and neck tumors, including Glucose-6-phosphate dehydrogenase, Scavenger receptor cysteine-rich protein DMBT1, Beta-2-glycoprotein 1 and Inter-alpha-trypsin inhibitor heavy chain H4.
METHODS: Whole saliva samples were collected from three groups: exclusive frequent hookah smokers, exclusive frequent cigarette smokers, and non-smokers. Participants were healthy young adults (18-40 years) of both sexes with good general and oral health. LC-MS/MS analyses were performed using Synapt G2 HDMS (Waters) coupled to the nano Acquity UPLC chromatography system (Waters). Database searches were performed using PEAKS Studio X+. The groups were compared and correlations between protein abundance and clinical variable, alcohol consumption, and duration of tobacco use were evaluated.
RESULTS AND CONCLUSIONS: The results revealed quantitative and functional changes in the salivary proteome of cigarette and hookah smokers, with enrichment of processes related to epigenetic regulation (chromatin/nucleosomes) and cell differentiation. However, cigarette exposure was associated with more pronounced functional pattern. Direct comparison of hookah and cigarette smokers identified three differentially abundant proteins (DAP) in the cigarette group (ALDH3A1, CSTA, and PGM2) and seven in the hookah group (LYPLAL1, IGLL5, PIP, PRSS8, UBA1, IGHV5-10-1, and SERPINB9). Finally, in silico validation using transcriptomic data from the TCGA PanCancer Atlas database for head and neck squamous cell carcinoma demonstrated that several genes corresponding to salivary DAP identified in smokers exhibit altered expression patterns in head and neck tumors, including Glucose-6-phosphate dehydrogenase, Scavenger receptor cysteine-rich protein DMBT1, Beta-2-glycoprotein 1 and Inter-alpha-trypsin inhibitor heavy chain H4.