The goal of this Mentored Research Scientist Development Award is to support the Principal Investigator to gain the research knowledge, skills and experience to conduct environmental, gerontological and genetic epidemiology studies. This award will promote the candidate's ability to achieve the long-term goal of developing into an independent investigator. The proposed career development plan aims to build on the candidate's prior research experience in environmental epidemiology with new training in genetics, epidemiology of aging, and neurotoxicology. The scientific goals of this project are to understand how long term environmental exposures to lead and air pollution affect age-related pathological changes, namely, depressed cardiac function, and two novel outcomes that have been relatively little studied in environmental health, age-related cataract and hearing loss. In addition, the project aims to identify factors that impact susceptibility to such pollutants in an aging population. These health endpoints are leading chronic health conditions experienced by the older adults, but the biological mechanisms by which pollution exposures may impact these age-related conditions are poorly understood. The candidate will not only examine independent effects of lead and traffic-related particles, but focus on genes involved in the pathway of iron regulation metabolism which may modify the lead and particle responses. The investigator will also examine if the associations between pollutants and age-related diseases are modified by dietary intake of antioxidants (vitamins C and E, carotenoids, and cruciferous vegetables) and omega-3 fatty acids. In order to apply the candidate's past research background in these research aims in the field of gene-environment interaction and epidemiology of aging, additional training and mentorship is necessary. The proposed career development plan includes working with established experts in metals and air pollution epidemiology, genetic epidemiology, gerontological epidemiology, neurotoxicology, ophthalmology and otolaryngology, and is enhanced by didactic coursework, laboratory training and attendance in seminars and national/international meetings. This proposal will take advantage of the data and archived samples from a large, well-phenotyped, on-going, longitudinal cohort of community-residing elderly men, the Normative Aging Study, and for some of the specific aims, a sub-sample of the Nurses'Health Study will be utilized. Relevance: As the aging population grows, the need to better understand the causes of age-related pathological changes is required, but little is known about the impacts of environmental pollutants on such age-related diseases. This project will identify which sub-population in terms of genetic polymorphisms and nutrient intakes is more susceptible to environmental exposures to lead and air pollution, and ultimately suggest preventive public health strategies to improve the quality of life in the aging population.

Agency
National Institute of Health (NIH)
Institute
National Institute of Environmental Health Sciences (NIEHS)
Type
Research Scientist Development Award - Research & Training (K01)
Project #
5K01ES016587-05
Application #
8402628
Study Section
Special Emphasis Panel (ZES1-JAB-C (KR))
Program Officer
Shreffler, Carol K
Project Start
2009-01-01
Project End
2013-12-31
Budget Start
2013-01-01
Budget End
2013-12-31
Support Year
5
Fiscal Year
2013
Total Cost
$126,260
Indirect Cost
$9,353
Name
University of Michigan Ann Arbor
Department
Public Health & Prev Medicine
Type
Schools of Public Health
DUNS #
073133571
City
Ann Arbor
State
MI
Country
United States
Zip Code
48109
Ding, Ning; Wang, Xin; Weisskopf, Marc G et al. (2016) Lead-Related Genetic Loci, Cumulative Lead Exposure and Incident Coronary Heart Disease: The Normative Aging Study. PLoS One 11:e0161472
Park, Sung Kyun; Peng, Qing; Bielak, Lawrence F et al. (2016) Arsenic exposure is associated with diminished insulin sensitivity in non-diabetic Amish adults. Diabetes Metab Res Rev 32:565-71
Wang, Weiye; Schaumberg, Debra A; Park, Sung Kyun (2016) Cadmium and lead exposure and risk of cataract surgery in U.S. adults. Int J Hyg Environ Health 219:850-856
Huang, Siying; Hu, Howard; Sánchez, Brisa N et al. (2016) Childhood Blood Lead Levels and Symptoms of Attention Deficit Hyperactivity Disorder (ADHD): A Cross-Sectional Study of Mexican Children. Environ Health Perspect 124:868-74
Peng, Qing; Harlow, Siobán D; Park, Sung Kyun (2015) Urinary arsenic and insulin resistance in US adolescents. Int J Hyg Environ Health 218:407-13
Park, Sung Kyun; Adar, Sara D; O'Neill, Marie S et al. (2015) Long-term exposure to air pollution and type 2 diabetes mellitus in a multiethnic cohort. Am J Epidemiol 181:327-36
Jhun, Min A; Hu, Howard; Schwartz, Joel et al. (2015) Effect modification by vitamin D receptor genetic polymorphisms in the association between cumulative lead exposure and pulse pressure: a longitudinal study. Environ Health 14:5
Zota, Ami R; Needham, Belinda L; Blackburn, Elizabeth H et al. (2015) Associations of cadmium and lead exposure with leukocyte telomere length: findings from National Health and Nutrition Examination Survey, 1999-2002. Am J Epidemiol 181:127-36
Zheutlin, Alexander R; Adar, Sara D; Park, Sung Kyun (2014) Carbon dioxide emissions and change in prevalence of obesity and diabetes in the United States: an ecological study. Environ Int 73:111-6
Park, Sung Kyun; Tao, Yebin; Meeker, John D et al. (2014) Environmental risk score as a new tool to examine multi-pollutants in epidemiologic research: an example from the NHANES study using serum lipid levels. PLoS One 9:e98632

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