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Measuring neuroinflammation in chronic fatigue syndrome with whole-brain magnetic resonance spectroscopy

Award Number: R01NS109529
ORGANIZATION: NATIONAL INSTITUTE OF NEUROLOGICAL DISORDERS AND STROKE
OPDIV: NIH
AWARD CLASS: DISCRETIONARY
AWARD ACTIVITY TYPE: SCIENTIFIC/HEALTH RESEARCH (INCLUDES SURVEYS)
PERIOD OF PERFORMANCE START DATE: 07/01/2019
PERIOD OF PERFORMANCE END DATE: 03/31/2025

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Measuring neuroinflammation in chronic fatigue syndrome with whole-brain magnetic resonance spectroscopy - PROJECT SUMMARY/ABSTRACT In this R01 project, we will test a magnetic resonance spectroscopic imaging (MRSI) technique to assess several markers of neuroinflammation across the entire brain. We will use the technique to investigate the pathophysiology of Myalgic Encephalomyelitis/Chronic Fatigue Syndrome (ME/CFS), a condition of unknown etiology that is characterized by profound fatigue not alleviated by rest. The lack of information on ME/CFS pathophysiology has posed a substantial obstacle to the development of treatments that are specific and effective for the disorder. We hypothesize that ME/CFS is the result of low-level inflammation in the brain. Chronic activation of microglia and astrocytes provokes the release of proinflammatory agents that interact with neurons to cause symptoms of fatigue, pain sensitivity, and cognitive and mood disruption. MRSI may be able to detect that neuroinflammation by showing elevated myo-inositol, choline, lactate, brain temperature, and lower N-acetylaspartate that have been associated with abnormal microglia activation. In this five-year R01 study, we will conduct three separate studies. Study #1 examines 90 women with ME/CFS and 30 age- and body mass index-matched healthy controls. Neuroinflammatory markers will be assessed on a voxel-by- voxel basis throughout the entire brain, yielding approximately 4,000 assessments in gray matter, white matter, and cerebrospinal fluid. We hypothesize that the neuroinflammatory markers will be elevated in several brain regions in the ME/CFS group. Study #2 uses a “good-day, bad-day” longitudinal design to examine correlation between neuroinflammatory markers and symptom severity fluctuations in 20 women with ME/CFS. We hypothesize that the higher fatigue severity days will be associated with higher levels of neuroinflammatory markers. In Study #3, we will validate the MRSI scan with positron emission tomography (PET) analysis of 18F-DPA-714, a marker of activated microglia. We expect to see spatial overlap in MRSI and PET indicators of neuroinflammation. Support for these three hypotheses would show that ME/CFS is associated with brain inflammation. This test would allow for safe and inexpensive longitudinal assessment of neuroinflammation that is not possible with positron emission tomography (PET) or lumbar puncture measures of cerebrospinal fluid. Because we collect the entire available spectrum in each voxel, we will also have the first whole-brain metabolic data in ME/CFS. The MRS data can be used to quantify other markers of interest to ME/CFS researchers, such as glutamate and glutamine. We will therefore make the entire dataset available to other researchers for secondary analyses. Ultimately, we hope this non-invasive scanning technique will aid in ME/CFS diagnosis, treatment decisions, and the development of new treatments.


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 = $0 )
2025	2023	UNIVERSITY OF ALABAMA AT BIRMINGHAM	701 S 20TH STREET	BIRMINGHAM	AL	35294	JEFFERSON	USA	Extramural Research Programs in the Neurosciences and Neurological Disorders	000	5	7/1/2025	NON-COMPETING CONTINUATION	$0
														Subtotal = $0

Issue Date FY: 2023 ( Subtotal = $400,564 )
2023	2023	UNIVERSITY OF ALABAMA AT BIRMINGHAM	701 S 20TH ST	BIRMINGHAM	AL	35294	JEFFERSON	USA	Extramural Research Programs in the Neurosciences and Neurological Disorders	000	5	4/7/2023	NON-COMPETING CONTINUATION	$400,564
														Subtotal = $400,564

Issue Date FY: 2022 ( Subtotal = $400,564 )
2022	2022	UNIVERSITY OF ALABAMA AT BIRMINGHAM	701 S 20TH ST	BIRMINGHAM	AL	35294	JEFFERSON	USA	Extramural Research Programs in the Neurosciences and Neurological Disorders	000	4	4/22/2022	NON-COMPETING CONTINUATION	$400,564
														Subtotal = $400,564

Issue Date FY: 2021 ( Subtotal = $578,668 )
2021	2021	UNIVERSITY OF ALABAMA AT BIRMINGHAM	701 S 20TH ST	BIRMINGHAM	AL	35294	JEFFERSON	USA	Extramural Research Programs in the Neurosciences and Neurological Disorders	000	3	3/26/2021	NON-COMPETING CONTINUATION	$578,668
														Subtotal = $578,668

Issue Date FY: 2020 ( Subtotal = $578,670 )
2020	2020	UNIVERSITY OF ALABAMA AT BIRMINGHAM	701 S 20TH ST	BIRMINGHAM	AL	35294	JEFFERSON	USA	Extramural Research Programs in the Neurosciences and Neurological Disorders	001	2	9/21/2020	NON-COMPETING CONTINUATION	$0
2020	2020	UNIVERSITY OF ALABAMA AT BIRMINGHAM	701 S 20TH ST	BIRMINGHAM	AL	35294	JEFFERSON	USA	Extramural Research Programs in the Neurosciences and Neurological Disorders	000	2	3/6/2020	NON-COMPETING CONTINUATION	$578,670
														Subtotal = $578,670

Issue Date FY: 2019 ( Subtotal = $379,683 )
2019	2019	UNIVERSITY OF ALABAMA AT BIRMINGHAM	701 S 20TH ST	BIRMINGHAM	AL	35294	JEFFERSON	USA	Extramural Research Programs in the Neurosciences and Neurological Disorders	000	1	7/1/2019	NEW	$379,683
														Subtotal = $379,683

Grand Total All Awards = $2,338,149

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Measuring neuroinflammation in chronic fatigue syndrome with whole-brain magnetic resonance spectroscopy

Award Number: R01NS109529

ORGANIZATION: NATIONAL INSTITUTE OF NEUROLOGICAL DISORDERS AND STROKE

OPDIV: NIH

AWARD CLASS: DISCRETIONARY

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

PERIOD OF PERFORMANCE START DATE: 07/01/2019

PERIOD OF PERFORMANCE END DATE: 03/31/2025

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