The Use of Single-Cell Comet Assay on Oral Cells: A Critical Review

Area of Science:

• Biomedical Science
• Genotoxicology
• Oral Biology

Background:

• Genotoxicity, the induction of DNA damage, is closely linked to carcinogenesis.
• The single-cell gel (comet) assay is a key method for evaluating DNA damage in mammalian cells.
• Buccal cells are relevant targets for genotoxicity assessment in the oral cavity.

Purpose of the Study:

• To critically review the application of the single-cell gel (comet) assay in buccal cells.
• To synthesize current knowledge on genotoxicity assessment in the oral cavity using the comet assay.
• To highlight the utility and challenges of the comet assay for oral cell research.

Main Methods:

• A comprehensive literature search was performed on studies utilizing the single-cell gel (comet) assay.
• The search focused on published research involving oral cells, including buccal cells.
• Relevant studies were identified and critically analyzed for their findings and methodologies.

Main Results:

• The majority of studies reviewed focused on human subjects.
• Fewer studies employed the comet assay in rodent models or in vitro oral cell systems.
• The comet assay has demonstrated utility in detecting DNA damage in oral cells.

Conclusions:

• Further research is essential to elucidate the mechanisms of genotoxicity in oral cells.
• Ethical considerations complicate human studies, necessitating alternative approaches.
• The comet assay remains a valuable tool, but its application requires careful consideration of study design and ethical implications.