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Molecular Mechanisms of Pesticide-Induced Developmental Toxicity

EPA Grant Number: R831709C001
Subproject: this is subproject number 001 , established and managed by the Center Director under grant R831709
(EPA does not fund or establish subprojects; EPA awards and manages the overall grant for this center).
Center: University of Washington
Center Director: Faustman, Elaine
Title: Molecular Mechanisms of Pesticide-Induced Developmental Toxicity
Investigators: Faustman, Elaine
Institution: University of Washington
EPA Project Officer: Fields, Nigel
Project Period: November 1, 2003 through October 31, 2008
RFA: Centers for Children's Environmental Health and Disease Prevention Research (2003)
Research Category: Health Effects , Children's Health

Description:

Objective:

The objective of this research project is to identify cellular, biochemical, and molecular mechanisms for the adverse developmental neurotoxicity of pesticides.

Approach:

During the previous cycle of this research project, we conducted studies evaluating three classes of pesticides in both in vitro and in vivo assessments. A final manuscript has resulted from Dr. Xia’s studies comparing the impact of chlorpyrifos (CP) in embryonic and newborn cortical neurons.  Her investigations into the proposed mechanisms of toxicity associated with CP and its two major metabolites, chlorpyrifos-oxon (CPO) and 3,5,6-trichloro-2-pyridinol (TCP; the breakdown product of both CP and CP-oxon) were reported recently in a publication (Caughlan, et al., 2004) and are summarized in this progress report.  We focused our experiments to address arsenic and methylmercury neurotoxicity and expanded significantly our understanding of the molecular mechanisms of toxicity associated with CP and its two major metabolites in embryonic midbrain cultures.

Publications and Presentations:

Publications have been submitted on this subproject: View all 35 publications for this subproject | View all 83 publications for this center

Journal Articles:

Journal Articles have been submitted on this subproject: View all 16 journal articles for this subproject | View all 47 journal articles for this center

Supplemental Keywords:

children’s health, epidemiology, genetics, health risk assessment, risk assessment, assessment of exposure, asthma, children’s environmental health, diesel exhaust, environmental risks, exposure assessment, genetic mechanisms, genetic risk factors, genetic susceptibility, maternal exposure, nutritional risk factors, , ENVIRONMENTAL MANAGEMENT, Scientific Discipline, Health, RFA, Risk Assessment, Health Risk Assessment, Children's Health, Biochemistry, Environmental Chemistry, health effects, children's environmental health, assessment of exposure, developmental neurotoxicity, agricultural community, community-based intervention, pesticide exposure, biological response, environmental health, environmental risks, children's vulnerablity

Progress and Final Reports:
2004 Progress Report
2005 Progress Report
2006 Progress Report
2007 Progress Report


Main Center Abstract and Reports:
R831709    University of Washington

Subprojects under this Center: (EPA does not fund or establish subprojects; EPA awards and manages the overall grant for this center).
R826886C001 Molecular Mechanisms of Pesticide-Induced Developmental Toxicity
R826886C002 Genetic Susceptibility to Pesticides (Paraoxonase Polymorphism or PON1 Study)
R826886C003 Community-Based Participatory Research Project
R826886C004 Pesticide Exposure Pathways Research Project

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The perspectives, information and conclusions conveyed in research project abstracts, progress reports, final reports, journal abstracts and journal publications convey the viewpoints of the principal investigator and may not represent the views and policies of ORD and EPA. Conclusions drawn by the principal investigators have not been reviewed by the Agency.

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