The overarching goal of this Superfund Research Center is a broad understanding of chemical impacts on developing organisms and approaches for reducing these impacts. Center research concentrates on a mechanistic approach: mechanisms underlying developmental perturbations, mechanisms underlying ameliorations of and adaptations to these effects, and mechanisms underlying engineered solutions for the ultimate removal of these chemicals from the environment. A major cross-cutting theme in this renewal application is that of potential biological """"""""costs"""""""" of early life exposures to humans and ecosystems, and of remediation strategies. The primary goals of this Center are: 1) To elucidate mechanisms of developmental toxicity of selected Superfund and emerging chemicals. 2) To develop efficient assays for developmental toxicants, 3) To determine later-life consequences of early life exposures to toxicants. 4) To develop effective strategies for remediating systems contaminated by developmental toxicants that combine microbial- and nanomaterials-based strategies, 5) To effectively deliver the Center's research results to critical members of the scientific, governmental, business and lay communities, 6) To enhance interdisciplinary research, and undergraduate, graduate and post-graduate training, in the biomedical and environmental sciences. The objectives will be achieved through the integrated activities of two biomedical and two non-biomedical research projects, two research support cores (Analytical Chemistry and Neural and Behavioral Toxicity Assessment), and an Administrative, Research Translation, &Training Core. Biomedical projects focus on developmental neurotoxicology and later life sensitizations caused by organophosphates using cell lines and the rat model (Project 1), and the effects of chemicals, particularly flame retardants, on thyroid hormone homeostatsis and resulting behavioral effects in cell cultures and the zebrafish model (Project 2). The ecological Project 3 explores mechanisms of adaptation to developmental toxicity and subsequent consequences for a population of killifish inhabiting a PAH-contaminated estuary. The engineering Project 4 explores the efficacy and safety of combined nanomaterial- and microbial-based remediation strategies.

Public Health Relevance

Development during early life stages (i.e, embryo, fetus, infant, larva) is a period inherently sensitive to exposures to environmental contaminants, for humans and free-living organisms in the environment. This Center is highly relevant to SRP research themes of mechanisms of toxicity;susceptibility, mixtures, remediation, and ecological/evolutionary impacts of Superfund chemical, here in the context of development.

National Institute of Health (NIH)
National Institute of Environmental Health Sciences (NIEHS)
Hazardous Substances Basic Research Grants Program (NIEHS) (P42)
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Special Emphasis Panel (ZES1-SET-V (04))
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Henry, Heather F
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Duke University
Internal Medicine/Medicine
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United States
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Brown, D R; Bailey, J M; Oliveri, A N et al. (2016) Developmental exposure to a complex PAH mixture causes persistent behavioral effects in naive Fundulus heteroclitus (killifish) but not in a population of PAH-adapted killifish. Neurotoxicol Teratol 53:55-63
Luz, Anthony L; Godebo, Tewodros R; Bhatt, Dhaval P et al. (2016) From the Cover: Arsenite Uncouples Mitochondrial Respiration and Induces a Warburg-like Effect in Caenorhabditis elegans. Toxicol Sci 152:349-62
Lefevre, Emilie; Bossa, Nathan; Wiesner, Mark R et al. (2016) A review of the environmental implications of in situ remediation by nanoscale zero valent iron (nZVI): Behavior, transport and impacts on microbial communities. Sci Total Environ 565:889-901
Czaplicki, L M; Cooper, E; Ferguson, P L et al. (2016) A New Perspective on Sustainable Soil Remediation-Case Study Suggests Novel Fungal Genera Could Facilitate in situ Biodegradation of Hazardous Contaminants. Remediation (N Y) 26:59-72
Chernick, Melissa; Ware, Megan; Albright, Elizabeth et al. (2016) Parental dietary seleno-L-methionine exposure and resultant offspring developmental toxicity. Aquat Toxicol 170:187-98
Cooper, Ellen M; Kroeger, Gretchen; Davis, Katherine et al. (2016) Results from Screening Polyurethane Foam Based Consumer Products for Flame Retardant Chemicals: Assessing Impacts on the Change in the Furniture Flammability Standards. Environ Sci Technol 50:10653-10660
Riley, Amanda K; Chernick, Melissa; Brown, Daniel R et al. (2016) Hepatic Responses of Juvenile Fundulus heteroclitus from Pollution-adapted and Nonadapted Populations Exposed to Elizabeth River Sediment Extract. Toxicol Pathol 44:738-48
Santa-Gonzalez, Gloria A; Gomez-Molina, Andrea; Arcos-Burgos, Mauricio et al. (2016) Distinctive adaptive response to repeated exposure to hydrogen peroxide associated with upregulation of DNA repair genes and cell cycle arrest. Redox Biol 9:124-133
Petro, Ann; Sexton, Hannah G; Miranda, Caroline et al. (2016) Persisting neurobehavioral effects of developmental copper exposure in wildtype and metallothionein 1 and 2 knockout mice. BMC Pharmacol Toxicol 17:55
Abreu-Villaça, Yael; Levin, Edward D (2016) Developmental neurotoxicity of succeeding generations of insecticides. Environ Int :

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