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Jeffrey Hsu, Shamone Gore-Panter, Gregory Tchou, Laurie Castel, Beth Lovano, Christine S Moravec, Gosta B Pettersson, Eric E Roselli, A Marc Gillinov, Kenneth R McCurry, Nicholas G Smedira, John Barnard, David R Van Wagoner, Mina K Chung, Jonathan D Smith
BACKGROUND: Genome-wide association studies have identified 23 loci for atrial fibrillation (AF), but the mechanisms responsible for these associations, as well as the causal genes and genetic variants, remain undefined. METHODS: To identify the effect of common genetic variants on gene expression that might explain the mechanisms linking genome-wide association loci with AF risk, we performed RNA sequencing of left atrial appendages from a biracial cohort of 265 subjects...
March 2018: Circ Genom Precis Med
Suvarna V Menon, Joseph R Cohen, Ryan C Shorey, Jeff R Temple
Despite increased attention on parental intimate partner violence (IPV) exposure, a relative paucity of research has examined the developmental consequences of this traumatic experience within a life span approach. The aim of the present study was to examine how parental IPV exposure may relate to mental health during the transition from adolescence to emerging adulthood. Furthermore, we examined whether the impact of parental IPV exposure was unique from more commonly studied maltreatment experiences, specifically neglect and physical abuse...
March 7, 2018: Journal of Clinical Child and Adolescent Psychology
Sotonte Ebenibo, Chimaroke Edeoga, Ibiye Owei, Sam Dagogo-Jack
Background: Fasting plasma leptin levels reflect fat mass, but dynamic leptin responses to secretagogues, and the influence of race/ethnicity, have not been well studied. Here, we compared basal and stimulated leptin levels in relation to cardiometabolic risk and weight trajectories in black and white subjects. Subjects and methods: We studied 254 (127 black and 127 white) normoglycemic adults enrolled in the Pathobiology of Prediabetes in a Biracial Cohort (POP-ABC) study...
2018: Frontiers in Endocrinology
Melissa C Caughey, Ye Qiao, B Gwen Windham, Rebecca F Gottesman, Thomas H Mosley, Bruce A Wasserman
Background: Both hypertensive and atherosclerotic processes contribute to common carotid artery intima-media thickness (CCA-IMT). Elevated CCA-IMT may be indicative of subclinical cerebrovascular disease; however, its role in the absence of concomitant carotid artery plaque is uncertain, and few studies have examined associations in black populations. Materials and Methods: At cohort visit 3 (1993-1995) a subset of stroke-free participants (641 blacks and 702 whites, mean age 63) from the Atherosclerosis Risk in Communities (ARIC) study was imaged by brain MRI and carotid ultrasound...
February 7, 2018: American Journal of Hypertension
Letícia Pinto Coelho Jorge, Carlos Eduardo Gonçalves Pereira, Eduardo Jorge, Marcos Pereira de Ávila
Background: To evaluate macular pigment optical density (MPOD) and to identify its determinants in a sample of Brazilian individuals. Methods: This was a cross-sectional study. One hundred three healthy individuals had both eyes photographed using a Visucam 500 digital fundus camera (Carl Zeiss Meditec, Jena, Germany) in combination with the MPOD module. Four variables were obtained: maximum MPOD, mean MPOD, MPOD volume, and MPOD area. Demographic data and information on lifestyle habits were also collected...
2018: International Journal of Retina and Vitreous
Daniel Freimer, Kristine Yaffe
No abstract text is available yet for this article.
January 9, 2018: Neurology
Esme Fuller-Thomson, Sydney A Jopling
No abstract text is available yet for this article.
January 9, 2018: Neurology
Megan Alcauskas, Steven Galetta
No abstract text is available yet for this article.
January 9, 2018: Neurology
Alexandra Lippert
When individuals become aware of their stigma, they attempt to manage their identity through discourses that both challenge and reinforce power. Identity management is fraught with tensions between the desire to fit normative social constructions and counter the same discourse. This essay explores identity management in the midst of the embodied stigmas concerning unplanned pregnancy during college and raising a biracial son. In doing so, this essay points to the difference between outlier narratives and counter-narratives...
November 30, 2017: Health Communication
Parveen K Garg, Wesley T O'Neal, Adedotun Ogunsua, Evan L Thacker, George Howard, Elsayed Z Soliman, Mary Cushman
The American Heart Association has identified metrics of ideal cardiovascular (CV) health known as Life's Simple 7 (LS7). We determined the prospective relationship between the LS7 and the incident atrial fibrillation (AF) in a biracial cohort. The REasons for Geographic And Racial Differences in Stroke (REGARDS) study enrolled non-Hispanic black and white adults 45 years or older. This analysis included 9,576 REGARDS participants (mean age 63 ± 8.4 years; 57% women; 30% black) who were free of AF at baseline and completed a follow-up examination 9...
October 19, 2017: American Journal of Cardiology
Elizabeth B Pathak, Sarah E Wieten, Christopher W Wheldon
INTRODUCTION: We developed and validated a new parsimonious scale to measure stoic beliefs. Key domains of stoicism are imperviousness to strong emotions, indifference to death, taciturnity and self-sufficiency. In the context of illness and disease, a personal ideology of stoicism may create an internal resistance to objective needs, which can lead to negative consequences. Stoicism has been linked to help-seeking delays, inadequate pain treatment, caregiver strain and suicide after economic stress...
November 14, 2017: BMJ Open
Nancy A West, Jonathan V Tingle, Jeannette Simino, Elizabeth Selvin, Jan Bressler, Thomas H Mosley
Previous reports suggest race/ethnic and sex heterogeneity in the association between the Pro12Ala polymorphism of the peroxisome proliferator-activated receptor gamma (PPARG) gene and cognitive decline. Tests of verbal memory, processing speed, and verbal fluency and a composite global Z-score were used to assess cognitive performance longitudinally in a large (n=11,620) biracial cohort of older adults in the Atherosclerosis Risk in Communities Neurocognitive Study from midlife to older age. Linear mixed models were used to estimate associations between the Ala12 allele and cognitive performance over 20 years of follow-up...
November 7, 2017: Alzheimer Disease and Associated Disorders
Anderson C Armstrong, Majon Muller, Bharath Ambale-Ventakesh, Michael Halstead, Satoru Kishi, Nick Bryan, Stephen Sidney, Luís C L Correia, Samuel S Gidding, Lenore J Launer, João A C Lima
INTRODUCTION: Relations between heart failure and clinically manifested stroke are well known, but the associations between heart and brain early abnormalities are not totally clear. AIMS: We explore relations of subclinical brain abnormalities with early cardiac dysfunction in a large healthy middle-aged biracial cohort. METHODS: The CARDIA study enrolled 5115 young adults aged 18-30 years at baseline (1985-1986). We assessed 719 Caucasian and African American participants of the CARDIA study, with echocardiograms and brain MRI at follow-up year 25 (2010-2011)...
November 2017: Echocardiography
Keenan A Walker, Melinda C Power, Ron C Hoogeveen, Aaron R Folsom, Christie M Ballantyne, David S Knopman, B Gwen Windham, Elizabeth Selvin, Clifford R Jack, Rebecca F Gottesman
BACKGROUND AND PURPOSE: It is currently unclear whether midlife systemic inflammation promotes the development of white matter (WM) abnormalities and small vessel disease in the elderly. We examined the association of midlife systemic inflammation with late-life WM hyperintensity volume, deep and periventricular WM microstructural integrity (fractional anisotropy and mean diffusivity [MD]), cerebral infarcts, and microbleeds in a biracial prospective cohort study. METHODS: Linear and logistic regression examined the relation between midlife high-sensitivity C-reactive protein (CRP)-a nonspecific marker of inflammation-and brain magnetic resonance imaging markers assessed 21 years later in the Atherosclerosis Risk in Communities Study...
December 2017: Stroke; a Journal of Cerebral Circulation
Keenan A Walker, Ron C Hoogeveen, Aaron R Folsom, Christie M Ballantyne, David S Knopman, B Gwen Windham, Clifford R Jack, Rebecca F Gottesman
OBJECTIVE: To clarify the temporal relationship between systemic inflammation and neurodegeneration, we examined whether a higher level of circulating inflammatory markers during midlife was associated with smaller brain volumes in late life using a large biracial prospective cohort study. METHODS: Plasma levels of systemic inflammatory markers (fibrinogen, albumin, white blood cell count, von Willebrand factor, and Factor VIII) were assessed at baseline in 1,633 participants (mean age 53 [5] years, 60% female, 27% African American) enrolled in the Atherosclerosis Risk in Communities Study...
November 28, 2017: Neurology
Abbi D Lane-Cordova, Eli Puterman, Erica P Gunderson, Cheeling Chan, Lifang Hou, Mercedes Carnethon
OBJECTIVE: Having experienced 2-3 births is associated with reduced mortality versus women with <2 or ≥4 births. The effect of 2-3 births on lifespan may be associated with delayed cellular aging. We hypothesized telomere length, a marker of cellular aging, would be longer in women who had 2-3 pregnancies. METHODS: Leukocyte telomere length was measured using quantitative real-time polymerase chain reaction in 620 women in CARDIA at the year 15 and 20 exams, expressed as the ratio of telomere repeat copy number to single-copy gene copy number (T/S)...
2017: PloS One
Jacob K Kariuki, Eileen M Stuart-Shor, Suzanne G Leveille, Philimon Gona, Jerry Cromwell, Laura L Hayman
BACKGROUND: Nonlaboratory-based (non-LB) algorithms have been developed to facilitate absolute cardiovascular risk assessment in resource-constrained settings. The non-LB Framingham algorithm, which substitute BMI for lipids in laboratory-based Framingham, exhibits best performance among non-LB algorithms. However, its external validity has not been evaluated. AIM: To examine the validity of non-LB Framingham algorithm in Atherosclerosis Risk in Communities dataset, and contrast performance with the laboratory-based Framingham algorithm...
December 2017: Journal of Cardiovascular Medicine
Angela J Narayan, Luisa M Rivera, Rosemary E Bernstein, William W Harris, Alicia F Lieberman
This pilot study examined the psychometric properties of the Benevolent Childhood Experiences (BCEs) scale, a new instrument designed to assess positive early life experiences in adults with histories of childhood maltreatment and other adversities. A counterpart to the Adverse Childhood Experiences (ACEs) questionnaire, the BCEs was developed to be multiculturally-sensitive and applicable regardless of socioeconomic position, urban-rural background, or immigration status. Higher levels of BCEs were hypothesized to predict lower levels of psychopathology and stress beyond the effects of ACES in a sample of ethnically diverse, low-income pregnant women...
October 6, 2017: Child Abuse & Neglect
Lisa B VanWagner, Sadiya S Khan, Hongyan Ning, Juned Siddique, Cora E Lewis, John J Carr, Miriam B Vos, Elizabeth Speliotes, Norah A Terrault, Mary E Rinella, Donald M Lloyd-Jones, Norrina B Allen
BACKGROUND & AIMS: Non-alcoholic fatty liver disease is an epidemic. Identifying modifiable risk factors for non-alcoholic fatty liver disease development is essential to design effective prevention programmes. We tested whether 25-year patterns of body mass index change are associated with midlife non-alcoholic fatty liver disease. METHODS: In all, 4423 participants from Coronary Artery Risk Development in Young Adults, a prospective population-based biracial cohort (age 18-30), underwent body mass index measurement at baseline (1985-1986) and 3 or more times over 25 years...
September 29, 2017: Liver International: Official Journal of the International Association for the Study of the Liver
J Bressler, B Yu, T H Mosley, D S Knopman, R F Gottesman, A Alonso, A R Sharrett, L M Wruck, E Boerwinkle
Clinical studies have shown alterations in metabolic profiles when patients with mild cognitive impairment and Alzheimer's disease dementia were compared to cognitively normal subjects. Associations between 204 serum metabolites measured at baseline (1987-1989) and cognitive change were investigated in 1035 middle-aged community-dwelling African American participants in the biracial Atherosclerosis Risk in Communities (ARIC) Study. Cognition was evaluated using the Delayed Word Recall Test (DWRT; verbal memory), the Digit Symbol Substitution Test (DSST; processing speed) and the Word Fluency Test (WFT; verbal fluency) at visits 2 (1990-1992) and 4 (1996-1998)...
July 18, 2017: Translational Psychiatry
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