Home > Research . Search . Country . Browse . Small Grants

PSC In The News

RSS Feed icon

Miller et al. find benefits of Medicaid for pregnant mothers in 1980s carry over two generations

Starr's findings account for some of the 19% black-white gap in federal sentencing

Frey says suburbs are aging, cities draw millennials

More News

Highlights

Bailey et al. find higher income among children whose parents had access to federal family planning programs in the 1960s and 70s

U-M's campus climate survey results discussed in CHE story

U-M honors James Jackson's groundbreaking work on how race impacts the health of black Americans

U-M is the only public and non-coastal university on Forbes' top-10 list for billionaire production

More Highlights

Next Brown Bag

Mon, Jan 22, 2018, noon: Narayan Sastry

Colter Mitchell photo

Epigenetic Mediation of Adverse Social Context on Stress Response, Socioemotional Development, and Health in a Population-based Study of Minority and Low SES Children and Adolescents

a PSC Research Project

Investigators:   Colter Mitchell, Luke Williamson Hyde, Christopher Stephen Monk, Nestor L. Lopez-Duran, Erin Bakshis Ware

Pronounced disparities exist by race, ethnicity, and SES in children and adolescents across a range of health conditions, and many adult health disparities can be traced to childhood social contextual inequalities. Epigenetics - modifications to the genome that are not changes in nucleotide sequence - holds great promise as potential indicators of contextual effects and health condition, potentially uncovering health disparities long before they are normally observable. Building on an existing representative study of children, this proposal will directly respond to PAR-16-355 by: 1) assembling epigenome-wide data on 2,000 children at two points in time, 2) describing methylation patterns in 3 race/ethnic groups and across SES levels, and 3) explicating epigenetic associations with social adversity, biological processes, and socioemotional development. The overarching hypothesis is that DNA methylation partially mediates the effect of adverse social context (i.e. poverty, harsh parenting, neighborhood disorganization, family instability, and parental incarceration) on biological processes related to stress response (telomere length and attrition, cortisol response, DHEA levels) and stress responsive behaviors (behavioral problems, risk taking, and resilience). We further hypothesize both differential exposure and differential response to adversity by race/ethnicity and SES explains some of the disparity in stress response and socioemotional development?thereby requiring formal comparisons of race/ethnicity and SES in the same study. To conduct this research we utilize the Fragile Families and Child Wellbeing Study (FFCWS): a 20-city nationally and city representative sample of 4898 children born in 1998-2000. FFCW provides a uniquely high prevalence of non-Hispanic Black (47%), Hispanic (27%), and impoverished families, making the data particularly useful for studying race/ethnic and SES differences. Families were interviewed at birth and at ages 1, 3, 5, 9, and 15?with biological data collected at ages 9 and 15. The expected results will be to provide estimates of: 1) population-based epigenome-wide DNA methylation measures for 3 race/ethnic groups (Hispanic n=600, African ancestry n=980, European ancestry n=420) in childhood and adolescence, 2) associations of social adversity across development (from in utero to age 15) with DNA methylation, 3) associations between DNA methylation and biological measures of stress response (i.e. telomere length and attrition, cortisol response, and DHEA levels), 4) associations between development of stress response behaviors and methylation profiles, and 5) comparisons of all these relationships in 3 race/ethnic groups and across a wide range of SES.

Funding Period: 08/16/2017 to 05/31/2022

Search . Browse