There are two studies that provide the data for this project. CARDIA. The CARDIA Study is a prospective, epidemiologic investigation of the determinants and evolution of cardiovascular risk factors among 5,115 African American and white young adults 18-30 years of age at baseline in 1985-86. Participants were recruited from the populations of four geographic locations (Birmingham, AL; Chicago, IL; Minneapolis, MN; and Oakland, CA). The CARDIA Coordinating Center is also located at the University of Alabama-Birmingham. The study population was approximately balanced according to sex (54% women), ethnicity (52% African American), and education (40% with less than equal to 12 years of education) at each center. After the 1984 baseline, 7 additional examinations were undertaken. In 2010 the CARDIA Brain MRI study was added to the 25-year follow-up exam to conduct a novel, detailed investigation of the earliest physiologic and morphologic phases of brain disease process in a community-based middle age cohort. This information could prove critical in prevention and early management of CVD, before irreversible damage and functional consequences occurs. AGES- Reykjavik is a population-based follow up study of men and women born 1907-1934. The cohort was established in 1967 by the Icelandic Heart Association; participants were followed up to six times. To advance our understanding of genetic and non-genetic risk factors, AGES- Reykjavik focuses on obtaining high quality quantitative measures of intermediate components of major diseases of old age. To this end, extensive bio-image and bio-specimen phenotype measures have been made of multiple physiological systems, including neurocognitive, vascular, musculoskeletal, and body composition, and metabolic measures. Together these studies have unique and rich data on brain function and structure, including measures of cognition, structural and physiologic measures of the brain, and depression. We are currently conducting Genome Wide Association studies (GWAS) of endophenotypes including cognition, and regional brain tissue volumes, as well as investigating the predictiveness of genetic risk scores for clinical and sub-clinical brain disease.

National Institute of Health (NIH)
National Institute on Aging (NIA)
Investigator-Initiated Intramural Research Projects (ZIA)
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Sedaghat, Sanaz; Ding, Jie; Eiriksdottir, Gudny et al. (2018) The AGES-Reykjavik Study suggests that change in kidney measures is associated with subclinical brain pathology in older community-dwelling persons. Kidney Int 94:608-615
Ikram, M Arfan; Zonneveld, Hazel I; Roshchupkin, Gennady et al. (2018) Heritability and genome-wide associations studies of cerebral blood flow in the general population. J Cereb Blood Flow Metab 38:1598-1608
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Day, Felix R (see original citation for additional authors) (2017) Genomic analyses identify hundreds of variants associated with age at menarche and support a role for puberty timing in cancer risk. Nat Genet 49:834-841
(2017) 19th Workshop of the International Stroke Genetics Consortium, April 28-29, 2016, Boston, Massachusetts, USA: 2016.001 MRI-defined cerebrovascular genomics-The CHARGE consortium. Neurol Genet 3:S2-S11
Huang, Kuan-Lin; Marcora, Edoardo; Pimenova, Anna A et al. (2017) A common haplotype lowers PU.1 expression in myeloid cells and delays onset of Alzheimer's disease. Nat Neurosci 20:1052-1061
Traylor, Matthew; Malik, Rainer; Nalls, Mike A et al. (2017) Genetic variation at 16q24.2 is associated with small vessel stroke. Ann Neurol 81:383-394
Sims, Rebecca (see original citation for additional authors) (2017) Rare coding variants in PLCG2, ABI3, and TREM2 implicate microglial-mediated innate immunity in Alzheimer's disease. Nat Genet 49:1373-1384
Ben-Avraham, Dan; Karasik, David; Verghese, Joe et al. (2017) The complex genetics of gait speed: genome-wide meta-analysis approach. Aging (Albany NY) 9:209-246
Hibar, Derrek P (see original citation for additional authors) (2017) Novel genetic loci associated with hippocampal volume. Nat Commun 8:13624

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