The impact of tobacco smoking and electronic cigarette vaping on salivary biomarkers. A comparative study

Date:

This study aimed to investigate the effect of electronic cigarette vaping and cigarette smoking on the levels of interleukin-1β and transforming growth factor‑β salivary biomarkers compared to non-smokers.

Methods

One hundred and fifty people participated in this study; There were 50 participants who smoked traditional cigarettes, 50 who used electronic cigarettes, and 50 healthy people who had never smoked cigarettes (control group). Furthermore, 5 ml of unstimulated whole saliva was sampled and clarified by centrifugation and frozen until analysis. Interleukin-1β and transforming growth factor‑β concentrations were assessed in saliva samples using ELISA. The duplicate readings average was utilized to interpret the data.

Results

We found that cigarette smokers had significantly higher levels of interleukin-1β and transforming growth factor‑β than non-smokers and electronic cigarette users (p < 0.05). The difference between control participants and electronic cigarette users, as well as that between control participants and traditional cigarette smokers, was statistically significant (p < 0.05).

Conclusion

Electronic cigarette users have higher levels of inflammatory and cancer risk biomarker than non-smokers, suggesting that electronic cigarettes can pose a risk of developing systemic diseases but less than conventional cigarettes. In conclusion, our study could be regarded as new evidence supporting the hazardous effects of e-cigs using a cost-effective, non-invasive method.

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Naglaa M. Kamal – Saudi Dental Journal – 2022-07-01.

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