Exposure to formaldehyde induces heritable DNA mutations in mice

Yun Ru Liu, Yin Zhou, Wen Qiu, Jin Yan Zeng, Lian Lian Shen, Ai Ping Li, Jian Wei Zhou

Research output: Contribution to journalArticle

13 Citations (Scopus)

Abstract

Our recent studies showed that exposure to mixed indoor air pollutants in a newly decorated residential apartment induced expanded simple tandem repeats (ESTR) mutations in mice, and the mutations were mainly inherited from the paternal germ line. Formaldehyde (FA) is a type of major volatile organic chemical (VOC) present in indoor air, and a constituent known to be associated with sick building syndrome. In the present study, mice were exposed to different concentrations of FA (0, 2, 20, or 200 mg/m3). The germline mutations were detected in their offspring using three ESTR probes, Ms6-hm, Hm-2, and MMS10. Data indicated that mice exposed to 200 mg/m3 FA demonstrated a significant elevation in ESTR mutations, which is due primarily to an increase in mutations inherited through the paternal germ line. These results suggest that FA induced ESTR mutations in mice. It is postulated that single FA exposure might be a useful model to identify indoor air mixture exposure-induced heritable DNA damage.

Original languageEnglish
Pages (from-to)767-773
Number of pages7
JournalJournal of Toxicology and Environmental Health - Part A: Current Issues
Volume72
Issue number11-12
DOIs
Publication statusPublished - Dec 1 2009
Externally publishedYes

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Tandem Repeat Sequences
Formaldehyde
Animals
DNA
Organic Chemicals
Air Pollutants
Air

ASJC Scopus subject areas

  • Toxicology
  • Health, Toxicology and Mutagenesis

Cite this

Exposure to formaldehyde induces heritable DNA mutations in mice. / Liu, Yun Ru; Zhou, Yin; Qiu, Wen; Zeng, Jin Yan; Shen, Lian Lian; Li, Ai Ping; Zhou, Jian Wei.

In: Journal of Toxicology and Environmental Health - Part A: Current Issues, Vol. 72, No. 11-12, 01.12.2009, p. 767-773.

Research output: Contribution to journalArticle

Liu, Yun Ru ; Zhou, Yin ; Qiu, Wen ; Zeng, Jin Yan ; Shen, Lian Lian ; Li, Ai Ping ; Zhou, Jian Wei. / Exposure to formaldehyde induces heritable DNA mutations in mice. In: Journal of Toxicology and Environmental Health - Part A: Current Issues. 2009 ; Vol. 72, No. 11-12. pp. 767-773.
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