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Re-engineering a human 3D liver tissue model for non-alcoholic fatty liver disease for drug screening

Award Number: UH3TR004124
ORGANIZATION: NATIONAL CENTER FOR ADVANCING TRANSLATIONAL SCIENCES
OPDIV: NIH
AWARD CLASS: COOPERATIVE AGREEMENT
AWARD ACTIVITY TYPE: SCIENTIFIC/HEALTH RESEARCH (INCLUDES SURVEYS)
PERIOD OF PERFORMANCE START DATE: 07/01/2022
PERIOD OF PERFORMANCE END DATE: 05/31/2027

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Re-engineering a human 3D liver tissue model for non-alcoholic fatty liver disease for drug screening - Project Summary Nonalcoholic fatty liver disease (NAFLD) is a worldwide public health problem, occurring in ~25% of the global adult population. Despite major investments by the pharmaceutical industry, there are no approved drugs for the treatment of NAFLD, probably reflecting the heterogeneous pathophysiology involving multiple pathways. We have recently implemented the human biomimetic, vascularized Liver Acinus Microphysiology System (vLAMPS) using all-human primary liver cells (hepatocytes, liver sinusoidal endothelial, stellate and Kupffer cells) from the same genotyped patients in a NAFLD experimental model. We have initiated the testing of more than 100 drugs and drug combinations recently predicted through the application of quantitative systems pharmacology (QSP). We have also been working toward the implementation of all iPSC-derived liver cells from the same patients that will be completed at the time of starting the proposed study. The use of patient- specific iPSC-derived cells is critical to produce reproducible patient cohorts for precision medicine. We also harness the Microphysiology Systems Database (MPS Db) to manage, analyze and to determine reproducibility of the NAFLD experimental models. There is a critical need to develop and implement high content and throughput NAFLD MPS models based on iPSC-derived cells that demonstrate maximal reproducibility. The goal of this collaborative effort between the University of Pittsburgh Drug Discovery Institute (UPDDI) and the NCATS 3D Tissue Bioprinting Laboratory (3DTBL) is to harness the liver acinus design into a higher throughput biomimetic by developing a bioprinted all-iPS plate-based, NAFLD model to maximize throughput of testing the predicted drugs and combinations, model functionality and reproducibility with selected primary screen metrics. We will also bioprint the middle layer of the existing high content vLAMPS to improve the reproducibility of this secondary drug testing platform that will use the full panel of metrics that have been previously published resulting in an improved compound selection platform for the development of precision NAFLD therapeutics. The lack of approved therapeutics for treatment of NAFLD is due in large part to the heterogenous pathology of the disease involving multiple pathways and the use of animal models that do not fully recapitulate the human disease. The development of a combined high throughput and high content NAFLD experimental model for a primary screen of predicted drugs and optimal combinations using human, patient-specific iPSC-derived liver cells bioprinted in transwell plates will transform the approach to NAFLD drug discovery to precision medicine. The more detailed analysis of the best drugs and drug combinations in the bioprinted version of the vLAMPS models will refine the selection of drugs/combinations for select patient cohorts.


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 = $238,500 )
2026	2026	UNIVERSITY OF PITTSBURGH - OF THE COMMONWEALTH SYSTEM OF HIGHER EDUCATION	4200 FIFTH AVENUE	PITTSBURGH	PA	15260	ALLEGHENY	USA	National Center for Advancing Translational Sciences - Research Projects	001	5	5/19/2026	NON-COMPETING CONTINUATION	$238,500
2026	2025	UNIVERSITY OF PITTSBURGH - OF THE COMMONWEALTH SYSTEM OF HIGHER EDUCATION	4200 FIFTH AVENUE	PITTSBURGH	PA	15260	ALLEGHENY	USA	National Center for Advancing Translational Sciences	000	4	3/19/2026	NON-COMPETING CONTINUATION	$0
														Subtotal = $238,500

Issue Date FY: 2025 ( Subtotal = $238,500 )
2025	2025	UNIVERSITY OF PITTSBURGH - OF THE COMMONWEALTH SYSTEM OF HIGHER EDUCATION	4200 FIFTH AVENUE	PITTSBURGH	PA	15260	ALLEGHENY	USA	National Center for Advancing Translational Sciences	000	4	6/3/2025	NON-COMPETING CONTINUATION	$238,500
														Subtotal = $238,500

Issue Date FY: 2024 ( Subtotal = $238,500 )
2024	2024	UNIVERSITY OF PITTSBURGH - OF THE COMMONWEALTH SYSTEM OF HIGHER EDUCATION	4200 FIFTH AVENUE	PITTSBURGH	PA	15260	ALLEGHENY	USA	National Center for Advancing Translational Sciences	000	3	5/23/2024	EXTENSION WITH OR WITHOUT FUNDS	$238,500
														Subtotal = $238,500

Grand Total All Awards = $715,500

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Re-engineering a human 3D liver tissue model for non-alcoholic fatty liver disease for drug screening

Award Number: UH3TR004124

ORGANIZATION: NATIONAL CENTER FOR ADVANCING TRANSLATIONAL SCIENCES

OPDIV: NIH

AWARD CLASS: COOPERATIVE AGREEMENT

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

PERIOD OF PERFORMANCE START DATE: 07/01/2022

PERIOD OF PERFORMANCE END DATE: 05/31/2027

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