Clinical application of micronucleus test in exfoliated buccal cells: A systematic review and metanalysis

Claudia Bolognesi, Stefano Bonassi, Siegfried Knasmueller, Michael Fenech, Marco Bruzzone, Cecilia Lando, Marcello Ceppi

Research output: Contribution to journalArticle

35 Citations (Scopus)

Abstract

The micronucleus assay in uncultured exfoliated buccal mucosa cells, involving minimally invasive sampling, was successfully applied to evaluate inhalation and local exposure to genotoxic agents, impact of nutrition and lifestyle factors. The potential use of the assay in clinics to monitor the development of local oral lesions and as an early biomarker for tumors and different chronic disorders was also investigated. A systematic review of the literature was carried out focusing on the clinical application of the assay. The literature search updated to January 2015 allowed to retrieve 42 eligible articles. Fifty three percent of investigations are related to oral, head and neck cancer, and premalignant oral diseases. Our analysis evidences a potential usefulness of the MN assay applied in buccal exfoliated cells in the prescreening and in the follow up of precancerous oral lesions. A significant excess of MN, in patients compared with matched controls was observed for subgroups of oral and neck cancer (meta-MR of 2.40, 95% CI: 2.02-2.85) and leukoplakia (meta-MR 1.88, 95% CI: 1.51-2.35). The meta-analysis of studies available on other tumors (meta-MR 2.00; 95% CI:1.66-2.41) indicates that the MN frequency in buccal cells could reflect the chromosomal instability of other organs. Increased MN frequency was also observed in small size studies on patients with chronic diseases, with Alzheimer's disease and with Down syndrome. The application of the cytome approach providing information of genotoxic, cytotoxic and cytostatic effects is suggestive of the possibility of an improvement in the predictive value of the assay and this deserves further investigations.

Original languageEnglish
Pages (from-to)20-31
Number of pages12
JournalMutation Research - Reviews in Mutation Research
Volume766
DOIs
Publication statusPublished - Oct 1 2015

Fingerprint

Micronucleus Tests
Cheek
Mouth Neoplasms
Head and Neck Neoplasms
Mouth Diseases
Leukoplakia
Inhalation Exposure
Chromosomal Instability
Mouth Mucosa
Cytostatic Agents
Tumor Biomarkers
Down Syndrome
Meta-Analysis
Life Style
Alzheimer Disease
Chronic Disease
Neoplasms

Keywords

  • Biomonitoring
  • Buccal micronucleus cytome assay
  • Clinical application
  • Exfoliated cells
  • Meta-analysis
  • Systematic review

ASJC Scopus subject areas

  • Genetics
  • Health, Toxicology and Mutagenesis

Cite this

Clinical application of micronucleus test in exfoliated buccal cells : A systematic review and metanalysis. / Bolognesi, Claudia; Bonassi, Stefano; Knasmueller, Siegfried; Fenech, Michael; Bruzzone, Marco; Lando, Cecilia; Ceppi, Marcello.

In: Mutation Research - Reviews in Mutation Research, Vol. 766, 01.10.2015, p. 20-31.

Research output: Contribution to journalArticle

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