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Clinical Oral Investigations

, Volume 23, Issue 1, pp 497–499 | Cite as

Re: Does smoking habit increase the micronuclei frequency in the oral mucosa of adults compared to non-smokers? A systematic review and meta-analysis. de Geus et al., Clin Oral Investig. 2018 Jan; 22(1):81–91

  • Armen NersesyanEmail author
Letter to the Editor
  • 13 Downloads

Dear Editor,

I read the review paper by de Geus et al. [1] with great interest because I am very interested in this problem and published several papers concerning genotoxic action of tobacco products in exfoliated epithelial cells. Indeed, the data concerning induction of MN in human cells (both lymphocytes and buccal cells) of smokers are controversial and the paper of de Geus et al. [1] appeared timely. Although the paper is very interesting and the authors “showed a higher frequency of micronuclei in exfoliated cells of smokers compared to non-smokers” (based on meta-analysis of several publications), I completely disagree with some statements of the authors.

First of all, micronuclei (MN) in epithelial cells are very rare event unlike MN in lymphocytes. In 1999, Fenech et al. [2] stated that the average MN frequencies in exfoliated buccal cells of healthy population are between 1.0 and 3.0‰ [2]. Later, it was reported by Bonassi et al. [3] (based on database of 5424 subjects)...

Notes

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Conflict of interest

The author declares that he has no conflict of interest.

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Copyright information

© Springer-Verlag GmbH Germany, part of Springer Nature 2019

Authors and Affiliations

  1. 1.Institute of Cancer Research, Department of Internal Medicine IMedical University of ViennaViennaAustria

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