Computational toxicology of chloroform: reverse dosimetry using Bayesian inference, Markov chain Monte Carlo simulation, and human biomonitoring data.

Environmental Health Perspectives
Michael A LyonsBrad Reisfeld

Abstract

One problem of interpreting population-based biomonitoring data is the reconstruction of corresponding external exposure in cases where no such data are available. We demonstrate the use of a computational framework that integrates physiologically based pharmacokinetic (PBPK) modeling, Bayesian inference, and Markov chain Monte Carlo simulation to obtain a population estimate of environmental chloroform source concentrations consistent with human biomonitoring data. The biomonitoring data consist of chloroform blood concentrations measured as part of the Third National Health and Nutrition Examination Survey (NHANES III), and for which no corresponding exposure data were collected. We used a combined PBPK and shower exposure model to consider several routes and sources of exposure: ingestion of tap water, inhalation of ambient household air, and inhalation and dermal absorption while showering. We determined posterior distributions for chloroform concentration in tap water and ambient household air using U.S. Environmental Protection Agency Total Exposure Assessment Methodology (TEAM) data as prior distributions for the Bayesian analysis. Posterior distributions for exposure indicate that 95% of the population represented by th...Continue Reading

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Citations

Jul 8, 2014·Toxicology and Applied Pharmacology·Camille BéchauxAmélie Crépet
Mar 13, 2014·Environmental Health Perspectives·Martine VrijheidMark J Nieuwenhuijsen
Apr 24, 2012·Journal of Toxicology·Moiz MumtazPatricia Ruiz
Jul 5, 2012·Journal of Exposure Science & Environmental Epidemiology·Maria M UlaszewskaCéline Brochot
Nov 20, 2012·Bioinformatics·Brad ReisfeldArthur N Mayeno
Oct 7, 2015·British Journal of Clinical Pharmacology·Todd J ZurlindenBrad Reisfeld
Sep 8, 2015·Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences·Zhentao TangYixiang Duan
Apr 7, 2016·Environmental Science and Pollution Research International·Wei-Chun ChouChung-Min Liao
Apr 30, 2015·Toxicology·Kevin McNallyGeorge Loizou
Aug 14, 2009·Clinical Chemistry and Laboratory Medicine : CCLM·Frazer J LoweMichael McEwan
Jul 24, 2013·Toxicology·Kevin McNallyGeorge Loizou
Feb 1, 2015·European Journal of Drug Metabolism and Pharmacokinetics·Todd J Zurlinden, Brad Reisfeld
Aug 7, 2016·Frontiers in Pharmacology·George D Loizou
Oct 22, 2016·Chemical Research in Toxicology·Jochem LouisseIvonne M C M Rietjens
Sep 8, 2016·Environmental Geochemistry and Health·Ruiya XingXiaoyong Liao
Apr 11, 2015·Environmental Health Perspectives·Jon R SobusStephen W Edwards
Dec 7, 2011·Antimicrobial Agents and Chemotherapy·B ReisfeldM A Degroote
Oct 27, 2018·Journal of Toxicology and Environmental Health. Part a·Honesty TohonSami Haddad
May 3, 2011·Archives of Toxicology·Sarah AdlerJosé-Manuel Zaldivar
Jul 6, 2014·The International Journal of Biostatistics·Camille BéchauxStéphan Clémençon
Jun 6, 2018·Frontiers in Pharmacology·Kevin McNallyGeorge Loizou
May 5, 2021·Environmental Health Perspectives·Zhaomin DongFengChang Wu

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Methods Mentioned

BETA
random draws

Software Mentioned

Gnuplot
MCSim
Linux

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