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Genetic Epidemiology of GERD in COPD

Award Number: F31HL164006
ORGANIZATION: NATIONAL HEART, LUNG, & BLOOD INSTITUTE
OPDIV: NIH
AWARD CLASS: DISCRETIONARY
AWARD ACTIVITY TYPE: FELLOWSHIP/SCHOLARSHIP/STUDENT LOANS
PERIOD OF PERFORMANCE START DATE: 02/02/2023
PERIOD OF PERFORMANCE END DATE: 08/11/2023

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Genetic Epidemiology of GERD in COPD - PROJECT SUMMARY The purpose of this NIH F31 application is to obtain support for the PI, Ava Wilson, for mentored research and career development activities within her PhD training that will strengthen her potential to become an independent research scientist in the pulmonary field. The project goal is to develop skills in genetic epidemiology, bioinformatics, statistical genetics, and pulmonology that will allow her to estimate the genetic co-heritability of Chronic Obstructive Pulmonary Disease (COPD) and Gastroesophageal Reflux Disease (GERD) (Aim 1). GERD is a prevalent comorbidity in COPD and both conditions are heritable (estimates of genetic heritability for COPD and GERD as high as 38% and 43%), however, the co-heritability of GERD and COPD has not been investigated. Genome-wide association studies (GWAS) have identified genetic variants associated with GERD and COPD individually, however, there exists a paucity of in-depth genomic analyses of comorbid GERD and COPD. To fill this gap, the PI will perform analyses to identify genomic variants and regions associated with prevalent GERD in COPD and conduct mediation analysis to determine the extent to which pleiotropy contributes to comorbid GERD and COPD (Aims 2A and 2B). The interaction between GERD and COPD has long been recognized as excess gastric acid as part of GERD can exacerbate COPD and symptoms of COPD such as cough can contribute to GERD. Heritability modeling, genomic analyses and causal mediation modeling of whole genome sequencing (WGS) and GWAS data from TOPMed, All of Us, and the UK Biobank cohorts with deep phenotype data will be performed using state-of-the-art cloud computing environments. The central hypothesis is overlapping genetic and/or molecular pathways contribute to a shared etiology in COPD and GERD, which has not been fully explored. The long-term objective of the PI’s research is to understand how the etiology of GERD and COPD overlap to provide opportunities for novel interventions and to facilitate drug repurposing. UAB is nationally recognized for its health science research and training programs, specifically in genomics and pulmonary disease. The proposed training plan for the PI is sponsored by her project mentors, Drs. Merry-Lynn McDonald and Hemant Tiwari. Included in the training plan are experiences to help the PI develop in the following major areas: 1) rigorous research in the pulmonary field, including developing expertise in COPD and GERD epidemiology, principles of scientific integrity and responsible conduct of research, and scientific expertise in pulmonary and gastrointestinal diseases; 2) genetic epidemiology, including advanced methodology, and interpretation of results; 3) advanced biostatistical analyses and statistical genetics; 4) career and professional development, and data presentation; and 5) exposure to molecular biology and genetics to complement ‘omics research. The overall goal of the training plan is to provide the PI with a solid foundation for continuing to investigate the genetic epidemiology of GERD in COPD and additional pulmonary diseases.


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: 2024 ( Subtotal = -$20,534 )
2024	2023	UNIVERSITY OF ALABAMA AT BIRMINGHAM	701 S 20TH STREET	BIRMINGHAM	AL	35294	JEFFERSON	USA	Lung Diseases Research	000	1	4/9/2024	NEW	-$20,534
2024	2023	UNIVERSITY OF ALABAMA AT BIRMINGHAM	701 S 20TH STREET	BIRMINGHAM	AL	35294	JEFFERSON	USA	Lung Diseases Research	001	1	6/24/2024	NEW	$0
														Subtotal = -$20,534

Issue Date FY: 2023 ( Subtotal = $39,276 )
2023	2023	UNIVERSITY OF ALABAMA AT BIRMINGHAM	701 S 20TH ST	BIRMINGHAM	AL	35294	JEFFERSON	USA	Lung Diseases Research	001	1	3/21/2023	NEW	$942
2023	2023	UNIVERSITY OF ALABAMA AT BIRMINGHAM	701 S 20TH ST	BIRMINGHAM	AL	35294	JEFFERSON	USA	Lung Diseases Research	002	1	3/21/2023	NEW	$0
2023	2023	UNIVERSITY OF ALABAMA AT BIRMINGHAM	701 S 20TH ST	BIRMINGHAM	AL	35294	JEFFERSON	USA	Lung Diseases Research	000	1	1/19/2023	NEW	$38,334
														Subtotal = $39,276

Grand Total All Awards = $18,742

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Genetic Epidemiology of GERD in COPD

Award Number: F31HL164006

ORGANIZATION: NATIONAL HEART, LUNG, & BLOOD INSTITUTE

OPDIV: NIH

AWARD CLASS: DISCRETIONARY

AWARD ACTIVITY TYPE: FELLOWSHIP/SCHOLARSHIP/STUDENT LOANS

PERIOD OF PERFORMANCE START DATE: 02/02/2023

PERIOD OF PERFORMANCE END DATE: 08/11/2023

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