The overall objective of this project is to develop and initially evaluate a novel multidimensional ion mobility- mass spectrometry based high throughput metabolomics platform and associated automated informatics pipeline for analyses of biomedically and clinically relevant samples that will provide measurements that will be: much more robust, provide greater coverage and sensitivity, be more than an order of magnitude higher throughput, and have higher quantitative utility compared to present platforms. The new platform will exploit new developments in ionization, ion funnel technology, multidimensional ion mobility separations, and mass spectrometry interfacing. Improvements to the speed of the bioinformatics pipeline will be achieved in part by creating accurate mass and time (AMT) tag databases that utilize information from the multidimensional ion mobility separations in conjunction with accurate mass information to effectively identify previously cataloged metabolites and enable broad quantitative comparisons for different samples. The initially unknown metabolites observed in these measurements can also be compared across sample sets, and in many cases other detected species also identified based on their accurate masses, MS/MS data, and structurally related ion mobility information, and thus driving a continued expansion of the metabolite AMT tag database. The new platform and informatics pipeline will be initially evaluated and demonstrated using significant sets of blood spot and serum samples, and rapidly disseminated to make the technology more broadly available.

Public Health Relevance

Metabolomics aims to provide a comprehensive approach to measure the functional output of biological pathways within biological systems that indicate characteristics of a disease, growth conditions, or other perturbations. The planned research will develop, evaluate, and initially demonstrate a new instrumental platform and associated automated informatics pipeline for analyses of biomedically and clinically relevant metabolomics samples with significantly improved sensitivity, coverage, and measurement throughput.

Agency
National Institute of Health (NIH)
Institute
National Institute of Environmental Health Sciences (NIEHS)
Type
Research Project (R01)
Project #
4R01ES022190-05
Application #
9066675
Study Section
Special Emphasis Panel (ZRG1)
Program Officer
Balshaw, David M
Project Start
2012-09-15
Project End
2017-05-31
Budget Start
2016-06-01
Budget End
2017-05-31
Support Year
5
Fiscal Year
2016
Total Cost
Indirect Cost
Name
Battelle Pacific Northwest Laboratories
Department
Type
DUNS #
032987476
City
Richland
State
WA
Country
United States
Zip Code
99352
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