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Elucidating Gene-Environment-Behavior Interactions to Uncover Causal Mechanisms for Obesity in Early Life

Award Number: R01DK138032
ORGANIZATION: NATIONAL INSTITUTE OF DIABETES & DIGESTIVE & KIDNEY DISEASES
OPDIV: NIH
AWARD CLASS: DISCRETIONARY
AWARD ACTIVITY TYPE: SCIENTIFIC/HEALTH RESEARCH (INCLUDES SURVEYS)
PERIOD OF PERFORMANCE START DATE: 03/01/2024
PERIOD OF PERFORMANCE END DATE: 12/31/2027

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Elucidating Gene-Environment-Behavior Interactions to Uncover Causal Mechanisms for Obesity in Early Life - Trajectories leading to childhood obesity result from multifactorial Gene x Environment x Behavior interactions during a period of high developmental plasticity. Defining the causal mechanisms that mediate risk for obesity development in early life and how risk can be modified by psychosocial, contextual, and/or environmental factors, requires systems biology integration, which is currently lacking. The objective of this application is to develop predictive algorithms for childhood obesity risk by integrating data on growth trajectories, body composition, and dietary intake with multi omic (genetic, epigenetic and microbiome) data sets and assessments of temperament-self-regulation and child eating behavior across early childhood. We will leverage a rich biobank of longitudinal biological samples, questionnaire, and observational data from the ongoing Synergistic Theory and Research on Nutrition and Growth Kids 2 (SK2) cohort (n=468)11. Our central hypothesis is that computational and systems biology approaches will illuminate interactions between modifiable and non-modifiable obesity-related risk factors to provide predictive indices that identify at-risk individuals in early life. The three specific aims are: Aim 1. Determine how microbial profiles implicated in rapid growth and childhood obesity differentially influence children’s weight gain and body composition and determine whether there are differential associations based on genetic and or epigenetic risk factors; Aim 2. Determine how microbial profiles implicated in executive and emotion processes map onto profiles of child temperament and indicators of self-regulation. Establish the impact of these interacting systems on assessments of children’s eating-related behavior and weight trajectories, and whether there are differential associations based on genetic/epigenetic risk; and Aim 3. Uncover and characterize interactions between dietary components, genetics, fecal microbiota, temperament, and cognitive control on obesity risk using Bayesian and neural networks. These outcomes will enable development of algorithms to predict responses to diet within the context of genetic variation, microbiome composition, temperament and other environmental factors.


Issue Date FY	Funding FY	Legal Entity Name	Legal Entity Address	Legal Entity City	Legal Entity State	Legal Entity Zip Code	Legal Entity COUNTY	Legal Entity COUNTRY	Assistance Listing	Award Code	Budget Year	Action Date	Action Type	Action Amount

Issue Date FY: 2026 ( Subtotal = $660,357 )
2026	2026	UNIVERSITY OF ILLINOIS	506 S WRIGHT ST	URBANA	IL	61801	CHAMPAIGN	USA	Diabetes, Digestive, and Kidney Diseases Extramural Research	000	3	12/23/2025	NON-COMPETING CONTINUATION	$660,357
														Subtotal = $660,357

Issue Date FY: 2025 ( Subtotal = $596,553 )
2025	2025	UNIVERSITY OF ILLINOIS	506 S WRIGHT ST	URBANA	IL	61801	CHAMPAIGN	USA	Diabetes, Digestive, and Kidney Diseases Extramural Research	000	2	12/17/2024	NON-COMPETING CONTINUATION	$596,553
														Subtotal = $596,553

Issue Date FY: 2024 ( Subtotal = $656,511 )
2024	2024	UNIVERSITY OF ILLINOIS	506 S WRIGHT ST	URBANA	IL	61801	CHAMPAIGN	USA	Diabetes, Digestive, and Kidney Diseases Extramural Research	000	1	2/16/2024	NEW	$656,511
														Subtotal = $656,511

Grand Total All Awards = $1,913,421

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Elucidating Gene-Environment-Behavior Interactions to Uncover Causal Mechanisms for Obesity in Early Life

Award Number: R01DK138032

ORGANIZATION: NATIONAL INSTITUTE OF DIABETES & DIGESTIVE & KIDNEY DISEASES

OPDIV: NIH

AWARD CLASS: DISCRETIONARY

AWARD ACTIVITY TYPE: SCIENTIFIC/HEALTH RESEARCH (INCLUDES SURVEYS)

PERIOD OF PERFORMANCE START DATE: 03/01/2024

PERIOD OF PERFORMANCE END DATE: 12/31/2027

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