Comparison of carcinogenic potential of alternative tobacco products. A systematic review

  • 0Department of Immunopathology, Faculty of Medicine, Medical University of Lodz, Lodz, Poland.

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Summary

This summary is machine-generated.

Alternative tobacco products like electronic cigarettes (ECs), heat-not-burn (HnB) cigarettes, and nicotine pouches (NPs) show carcinogenic potential. These products induce DNA damage and epigenetic alterations, increasing cancer risk.

Area Of Science

  • Oncology
  • Epigenetics
  • Toxicology

Background

  • Alternative tobacco products, including electronic cigarettes (ECs), heat-not-burn (HnB) cigarettes, and snus/nicotine pouches (NPs), are increasingly popular.
  • Their long-term health effects, particularly carcinogenic potential and impact on epigenetic regulation, require thorough investigation.

Purpose Of The Study

  • To summarize current knowledge on the carcinogenic potential of ECs, HnB products, and snus/NPs.
  • To evaluate the effects of these products on epigenetic alterations relevant to cancer development.

Main Methods

  • A comprehensive literature search was conducted in PubMed, Embase, and Scopus databases.
  • Keywords included various tobacco product terms, 'cancer,' 'epigenetic changes,' 'DNA damage,' and 'carcinogenesis.'

Main Results

  • ECs and HnB products were confirmed to induce DNA damage, reduce DNA repair capacity, and alter miRNA expression, DNA methylation, and histone modifications.
  • Snus/NPs also induce DNA damage and alter gene expression related to oxidative stress, DNA damage, and cell proliferation.

Conclusions

  • Cell-based and animal models suggest carcinogenic potential for ECs, HnB products, and snus/NPs, with observed epigenetic changes predisposing to cancer.
  • Limited data exists for snus/NPs, primarily showing DNA damage and proliferation effects.
  • Further comprehensive clinical studies are needed to fully elucidate the carcinogenic potential of these products.

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