Chronic diseases are an enormous public health and economic burden, and new and growing lines of scientific evidence support a causal role for xenobiotic environmental chemicals (XECs) in the development and progression of chronic diseases, including cardio- and cerebrovascular disease (stroke). Several classes of XECs, including persistent organic pollutants and heavy metals, have been identified as increasing stroke risk, and there is emerging evidence that another class of XECs, perfluoralkyi chemicals (PFCs), may also influence stroke risk. However, there remains a knowledge gap in understanding how different PFCs may affect stroke risk and stroke outcome or how these health effects may be mediated through other conditions that causally affect stroke risk and severity. The three aims of this project are to: 1) Determine the association between PFCs and the incidence of stroke;2) Determine the association between PFCs and stroke mortality and morbidity;and 3) Describe the natural Indirect effect of PFCs on stroke incidence and mortality and morbidity, as mediated through hypercholesterolemia and hypertension, and thyroid and immune function. This project will be conducted as an ancillary study within the REGARDS Study, an NIHfunded cohort study with an established enrollment of >30,000 people. The contribution of the work proposed here will be a systematic evaluation of the effect of multiple PFC compounds on stroke risk and stroke outcome in a diverse cohort, with a wide range of PFC exposure. The research proposed here is innovative because: 1) multiple PFC compounds will be evaluated;2) a range PFC-related health effects and outcomes beyond mortality will be determined;3) natural, indirect PFC-related health effects and outcomes will be determined;and 4) the present study will build upon a well-established study and so will efficiently address the study aims. It is anticipated that the results from the research proposed here will substantially advance the understanding of how PFCs affect cerebrovascular health and so will be an important progression in a continuum of research that is expected to meaningfully inform the development of public health strategies and recommendations regarding safe levels of exposure to PFCs.

Public Health Relevance

and economic burden of stroke is substantial: the 4th leading cause of death in the U.S., the leading cause of long-term disability.This project will systematically evaluate the effects of multiple PFC compounds on stroke risk and outcome in a diverse cohort and so results will be broadly generalizable. This proposed project is relevant to both NIEHS and NIH, as it discovers how the environment affects people soa as to lennhten life and promote healthier lives.

Agency
National Institute of Health (NIH)
Institute
National Institute of General Medical Sciences (NIGMS)
Type
Exploratory Grants (P20)
Project #
1P20GM109098-01
Application #
8663444
Study Section
Special Emphasis Panel (ZGM1-TWD-C (C1))
Project Start
Project End
Budget Start
2014-09-08
Budget End
2015-05-31
Support Year
1
Fiscal Year
2014
Total Cost
$298,000
Indirect Cost
$98,000
Name
West Virginia University
Department
Type
DUNS #
191510239
City
Morgantown
State
WV
Country
United States
Zip Code
26506
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