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High-resolution volumetric imaging of metabolic activity in tissues and its application to tumor metabolism

Award Number: R01EB029523
ORGANIZATION: NATIONAL INSTITUTE Of BIOMEDICAL IMAGING & BIOENGINEERING
OPDIV: NIH
AWARD CLASS: DISCRETIONARY
AWARD ACTIVITY TYPE: SCIENTIFIC/HEALTH RESEARCH (INCLUDES SURVEYS)
PERIOD OF PERFORMANCE START DATE: 05/01/2020
PERIOD OF PERFORMANCE END DATE: 01/31/2024

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High-resolution volumetric imaging of metabolic activity in tissues and its application to tumor metabolism - Project Summary Genetics and metabolism are two defining characteristics of life. Understanding metabolism in animals is critical to unraveling the mechanistic basis of many biological processes in health and diseases, such as development, aging and cancer. For normal physiology, it is the synthesis, transformation and degradation of biomolecules (i.e., metabolic activity) that carry out the genetic blueprint of animals. For diseases, metabolic reprogramming is a hallmark for cancer (such as the Warburg effect). However, popular imaging techniques such as magnetic resonance spectroscopy, positron emission tomography, imaging mass spectroscopy and fluorescence microscopy all exhibit inherent limitations towards noninvasive high-resolution metabolic imaging. Therefore, there is no current metabolic imaging technique that can offer the desired combination of in situ probing, single-cell resolution, and volumetric imaging of three-dimensional (3D) tissues. Such technology would contribute to mechanistic understanding of normal physiology and disease progression such as tumor. The goal of this project is to develop a novel optical technology for in situ high-resolution volumetric imaging of metabolic activity in animal tissues, capturing metabolic status of every cell throughout 3D tissues. We have laid out a multi-disciplinary approach including exploration of in vivo labeling probe, novel sample treatment protocol, new microscope instrumentation construction, and multivariate computational analysis. Aim 1 is about developing heavy water (D2O) as a universal probe to be coupled with the emerging stimulated Raman scattering (SRS) microscopy, to monitor metabolic activities of tissues in a multiplex manner. Our preliminary data have demonstrated the feasibility. Advanced computational analysis and hyperspectral SRS instrumentation will be developed to achieve comprehensive metabolic profiling. Aim 2 aims to establish a volumetric imaging method to generate 3D metabolic activity maps deep into tissues. We propose to develop Raman-tailored clearing recipe that will open up volumetric SRS imaging of thick tissues and whole organs. Our preliminary data have achieved more than 10 times SRS imaging depth extension than previously possible. Aim 3 will integrate and tailor the technical development from Aim 1 and Aim 2 for imaging metabolic heterogeneity of tumor tissue. We propose to construct correlative fluorescence and SRS microscope and employ multivariate computational analysis. These development will be integrated to obtain cell-type-specific metabolic activity profiling (including different types of newly-synthesized molecules) within 3D tumor tissues, facilitating understanding of the causes, progression and refined treatment strategies of cancer. 1


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 = $0 )
2024	2023	THE TRUSTEES OF COLUMBIA UNIVERSITY IN THE CITY OF NEW YORK	615 W 131ST ST	NEW YORK	NY	10027	NEW YORK	USA	Discovery and Applied Research for Technological Innovations to Improve Human Health	000	4	8/19/2024	NON-COMPETING CONTINUATION	$0
														Subtotal = $0

Issue Date FY: 2023 ( Subtotal = $370,578 )
2023	2023	TRUSTEES OF COLUMBIA UNIVERSITY IN THE CITY OF NEW YORK, THE	202 LOW LIBRARY 535 W 116 ST MC 4309,	NEW YORK	NY	10027	NEW YORK	USA	Discovery and Applied Research for Technological Innovations to Improve Human Health	000	4	2/16/2023	NON-COMPETING CONTINUATION	$370,578
														Subtotal = $370,578

Issue Date FY: 2022 ( Subtotal = $370,578 )
2022	2022	TRUSTEES OF COLUMBIA UNIVERSITY IN THE CITY OF NEW YORK, THE	202 LOW LIBRARY 535 W 116 ST MC 4309,	NEW YORK	NY	10027	NEW YORK	USA	Discovery and Applied Research for Technological Innovations to Improve Human Health	001	3	6/30/2022	NON-COMPETING CONTINUATION	$37,059
2022	2022	TRUSTEES OF COLUMBIA UNIVERSITY IN THE CITY OF NEW YORK, THE	202 LOW LIBRARY 535 W 116 ST MC 4309,	NEW YORK	NY	10027	NEW YORK	USA	Discovery and Applied Research for Technological Innovations to Improve Human Health	000	3	1/14/2022	NON-COMPETING CONTINUATION	$333,519
														Subtotal = $370,578

Issue Date FY: 2021 ( Subtotal = $388,744 )
2021	2021	TRUSTEES OF COLUMBIA UNIVERSITY IN THE CITY OF NEW YORK, THE	116TH AND BDWY	NEW YORK	NY	10027	NEW YORK	USA	Discovery and Applied Research for Technological Innovations to Improve Human Health	001	2	5/27/2021	NON-COMPETING CONTINUATION	$0
2021	2021	TRUSTEES OF COLUMBIA UNIVERSITY IN THE CITY OF NEW YORK, THE	116TH AND BDWY	NEW YORK	NY	10027	NEW YORK	USA	Discovery and Applied Research for Technological Innovations to Improve Human Health	000	2	3/22/2021	NON-COMPETING CONTINUATION	$388,744
														Subtotal = $388,744

Issue Date FY: 2020 ( Subtotal = $420,123 )
2020	2020	TRUSTEES OF COLUMBIA UNIVERSITY IN THE CITY OF NEW YORK, THE	116TH AND BDWY	NEW YORK	NY	10027	NEW YORK	USA	Discovery and Applied Research for Technological Innovations to Improve Human Health	000	1	3/2/2020	NEW	$420,123
														Subtotal = $420,123

Grand Total All Awards = $1,550,023

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High-resolution volumetric imaging of metabolic activity in tissues and its application to tumor metabolism

Award Number: R01EB029523

ORGANIZATION: NATIONAL INSTITUTE Of BIOMEDICAL IMAGING & BIOENGINEERING

OPDIV: NIH

AWARD CLASS: DISCRETIONARY

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

PERIOD OF PERFORMANCE START DATE: 05/01/2020

PERIOD OF PERFORMANCE END DATE: 01/31/2024

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