Clinical Report: Responses of Human Mesenchymal Stromal Cells to Nicotine

Overview

This study investigates the effects of nicotine and cigarette smoke extracts on human mesenchymal stromal cells (MSCs). Findings indicate that high concentrations of nicotine can induce acute cell death and lysosomal stress in MSCs, potentially impacting tissue regeneration and oral health.

Background

The increasing use of smokeless nicotine products, such as pouches, raises concerns about their effects on oral tissues and mesenchymal stromal cells (MSCs). Nicotine exposure has been linked to various oral pathologies, including gingival recession and impaired wound healing. Understanding the cellular responses of MSCs to nicotine is crucial for assessing the long-term implications of these products on oral health.

Data Highlights

No numerical data or trial data provided in the article.

Key Findings

• High concentrations of nicotine induce acute cell death in MSCs.
• Nicotine exposure leads to lysosomal stress in MSCs, affecting their function.
• Responses of MSCs to nicotine vary based on concentration and cell origin.
• Long-term nicotine exposure may impair tissue regeneration and increase the risk of oral diseases.
• Localized exposure to nicotine from pouches can exacerbate mucosal pathologies.

Clinical Implications

Clinicians should be aware of the potential adverse effects of nicotine pouches on oral tissues and MSC function. Monitoring patients using these products for signs of gingival recession and other mucosal pathologies is recommended. Further research is needed to fully understand the long-term implications of nicotine exposure on oral health.

Conclusion

The study highlights the detrimental effects of high nicotine concentrations on MSCs, emphasizing the need for caution in the use of smokeless nicotine products. Ongoing research is essential to elucidate the broader implications for oral health and tissue regeneration.

Related Resources & Content

1. Finnish Institute for Health and Welfare THL, 2025 -- Tobacco Free Nicotine Products
2. Bundesinstitut für Risikobewertung, 2022 -- Nicotine Concentrations in Pouches
3. Mano and Palani, 2023 -- Nicotine Levels in Smokers' Blood
4. Sharma et al., 2024 -- Smoking and Periodontal Diseases
5. Zeng et al., 2014 -- Effects of Cigarette Smoke on MSC Biology
6. Archives of Toxicology — Combining Transcriptome Analysis with Pathophysiological Outcomes to Assess the Toxicity of Cigarette Smoke in an In Vitro Human Airway Tissue Model
7. Archives of Toxicology — Toxicological Analysis Indicates Lower Effects of Heated Tobacco Product Aerosol Extract Compared to Cigarette Smoke on Premature Aging and Aggravation in Aged Aortic Cells In Vitro
8. Archives of Toxicology — Investigating the Toxicity of Oral Nicotine Pouches with Aftertaste: Part 2 - In Vitro Effects on Human Gingival Fibroblasts
9. Archives of Toxicology — Modeling Maternal Smoking Effects on Fetal Development Using Hepatoblasts Derived from Pluripotent Stem Cells
10. CDC - Nicotine Pouches
11. VA/DOD Clinical Practice Guideline for Tobacco Use Treatment
12. Impact of cigarette smoke on the functions of mesenchymal stem cells