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Phosphatidylcholine and cholesterol ester biomarkers of type 2 diabetes and preventive treatment effects

Award Number: K23DK127073
ORGANIZATION: NATIONAL INSTITUTE OF DIABETES & DIGESTIVE & KIDNEY DISEASES
OPDIV: NIH
AWARD CLASS: DISCRETIONARY
AWARD ACTIVITY TYPE: TRAINING/TRAINEESHIP
PERIOD OF PERFORMANCE START DATE: 08/01/2021
PERIOD OF PERFORMANCE END DATE: 05/30/2026

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Phosphatidylcholine and cholesterol ester biomarkers of type 2 diabetes and preventive treatment effects - PROJECT SUMMARY/ABSTRACT Background: The increasing incidence and prevalence of type 2 diabetes (T2D) can be mitigated by successful prevention with behavioral changes or pharmacotherapy in individuals that are at high risk. Identifying a specific individual’s risk for diabetes and which preventive treatment will be most effective, however, remains a clinical dilemma. Metabolite biomarkers represent a novel approach to addressing these clinical challenges and may also reveal mechanisms of disease development. This five-year mentored career development proposal details a translational research training program in biomarker discovery and clinical study implementation with a goal of identifying metabolite predictors of diabetes and preventive treatment effect. Candidate: The applicant is a recently appointed Endocrinology faculty member at Beth Israel Deaconess Medical Center with a long-term goal to become a physician-scientist who investigates metabolic pathways involved in T2D development and progression. She has 2.5 years of experience in molecular profiling in large human studies and the outlined proposal builds on this background to provide new domains of expertise including prediction modeling, genetics, and clinical study design. Training: The applicant’s development will occur through a blend of laboratory training, didactic courses (including an ongoing MPH), and scientific conferences. The candidate’s mentor is a recognized leader in molecular profiling, integrative “omics”, and cardiometabolic diseases. Her co-mentor is a leader in T2D genetics, and the members of her advisory committee have a distinguished mentoring record and vast expertise in T2D, non-targeted metabolomics, statistical modeling, and clinical trials. Research: Recently, the applicant identified unique metabolite profiles associated with T2D in a large, randomized control trial that compared lifestyle changes and metformin therapy for T2D prevention in individuals with impaired glucose regulation. These associations, including specific phosphatidylcholines and cholesterol esters, remained after adjustments for traditional clinical risk factors suggesting they could serve as predictors of T2D. Furthermore, these metabolites were associated with different rates of T2D progression after lifestyle or metformin treatment and may help guide T2D prevention decisions. The applicant proposes to further extend these findings by (Aim 1) creating metabolite multi-marker prediction models to assess the ability of these metabolites to prospectively predict diabetes development, (Aim 2A) integrate these findings with genetics to uncover metabolic pathways that underly these associations and if they cause diabetes, (Aim 2B) leverage genetics to also identify completely novel circulating small molecules associated with T2D, and (Aim 3) conduct a small prospective cohort study to externally validate these metabolites as predictive biomarkers in a real-world clinical setting. This work will lay the foundation for an NIH R01 application for a clinical trial to assess the predictive utility of metabolite biomarkers for diabetes prevention and transition the candidate to research independence.


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: 2025 ( Subtotal = $165,024 )
2025	2025	BETH ISRAEL DEACONESS MEDICAL CENTER, INC.	330 BROOKLINE AVE	BOSTON	MA	02215	SUFFOLK	USA	Diabetes, Digestive, and Kidney Diseases Extramural Research	000	5	5/6/2025	NON-COMPETING CONTINUATION	$165,024
														Subtotal = $165,024

Issue Date FY: 2024 ( Subtotal = $164,471 )
2024	2024	BETH ISRAEL DEACONESS MEDICAL CENTER, INC.	330 BROOKLINE AVE	BOSTON	MA	02215	SUFFOLK	USA	Diabetes, Digestive, and Kidney Diseases Extramural Research	000	4	5/30/2024	NON-COMPETING CONTINUATION	$164,471
														Subtotal = $164,471

Issue Date FY: 2023 ( Subtotal = $164,748 )
2023	2023	BETH ISRAEL DEACONESS MEDICAL CENTER, INC	330 BROOKLINE AVE	BOSTON	MA	02215	SUFFOLK	USA	Diabetes, Digestive, and Kidney Diseases Extramural Research	000	3	5/5/2023	NON-COMPETING CONTINUATION	$164,748
														Subtotal = $164,748

Issue Date FY: 2022 ( Subtotal = $163,995 )
2022	2022	BETH ISRAEL DEACONESS MEDICAL CENTER, INC	330 BROOKLINE AVE	BOSTON	MA	02215	SUFFOLK	USA	Diabetes, Digestive, and Kidney Diseases Extramural Research	000	2	5/3/2022	NON-COMPETING CONTINUATION	$163,995
														Subtotal = $163,995

Issue Date FY: 2021 ( Subtotal = $165,663 )
2021	2021	BETH ISRAEL DEACONESS MEDICAL CENTER, INC	330 BROOKLINE AVE	BOSTON	MA	02215	SUFFOLK	USA	Diabetes, Digestive, and Kidney Diseases Extramural Research	000	1	7/22/2021	NEW	$165,663
														Subtotal = $165,663

Grand Total All Awards = $823,901

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Phosphatidylcholine and cholesterol ester biomarkers of type 2 diabetes and preventive treatment effects

Award Number: K23DK127073

ORGANIZATION: NATIONAL INSTITUTE OF DIABETES & DIGESTIVE & KIDNEY DISEASES

OPDIV: NIH

AWARD CLASS: DISCRETIONARY

AWARD ACTIVITY TYPE: TRAINING/TRAINEESHIP

PERIOD OF PERFORMANCE START DATE: 08/01/2021

PERIOD OF PERFORMANCE END DATE: 05/30/2026

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