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Int. J. Mol. Sci. 2017, 18(5), 932; doi:10.3390/ijms18050932

Adverse Health Effects of Thirdhand Smoke: From Cell to Animal Models

1
Biological Systems and Engineering Division, Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA
2
Department of Gastroenterology, Drum Tower Clinical Medical School of Nanjing Medical University, Nanjing 210008, China
3
LabCorp Specialty Testing Group, Monogram Biosciences Inc., South San Francisco, CA 94080, USA
4
State Key Laboratory of Reproductive Medicine, Institute of Toxicology, Nanjing Medical University, Nanjing 211166, China
*
Author to whom correspondence should be addressed.
Academic Editors: Paul R. Reynolds and Benjamin T. Bikman
Received: 13 March 2017 / Revised: 18 April 2017 / Accepted: 24 April 2017 / Published: 28 April 2017
(This article belongs to the Special Issue Inhaled Pollutants Modulate Respiratory and Systemic Diseases)
View Full-Text   |   Download PDF [827 KB, uploaded 28 April 2017]   |  

Abstract

The newly identified smoke hazard, thirdhand smoke (THS), has gained public attention in recent years but its health impact and biological effects are largely unknown. THS may be defined by “the four Rs”: tobacco chemicals that remain, react, re-emit, and/or are resuspended long after active smoking has ceased. This review summarizes recent research progress in the effects of THS on genotoxicity, metabolism and early life development using cellular and animal models. We first reported that THS generated in laboratory systems caused significant DNA damage in human cell lines. Our finding that THS significantly induces oxidative base lesions has been confirmed in skin wounds of mice models exposed to THS. THS also induced metabolomic changes in human reproductive cell lines. Furthermore, we demonstrated that early exposure to THS not only negatively impacts body weight in both male and female mice, but also induces persistent changes to immunological parameters in peripheral blood in these mice. These results indicate that THS is genotoxic at realistic experimental doses and that there may be a window of susceptibility for some forms of cellular damage induced by THS. View Full-Text
Keywords: thirdhand smoke; secondhand smoke; DNA damage; DNA strand breaks; DNA adducts; genotoxicity; early exposure; animal studies; health impact; tobacco control thirdhand smoke; secondhand smoke; DNA damage; DNA strand breaks; DNA adducts; genotoxicity; early exposure; animal studies; health impact; tobacco control
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Hang, B.; Wang, P.; Zhao, Y.; Sarker, A.; Chenna, A.; Xia, Y.; Snijders, A.M.; Mao, J.-H. Adverse Health Effects of Thirdhand Smoke: From Cell to Animal Models. Int. J. Mol. Sci. 2017, 18, 932.

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