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Abstract #2090

Estrogen Deprivation has a Negligible Impact on Thalamic Metabolism under Central Sensitization

Dayna L. Richter1,2, Samuel Holder1,2, Harrison D Craythorne2, and Samuel Colles Grant1,2
1National High Magnetic Field Laboratory, Florida State University, Tallahassee, FL, United States, 2Chemical & Biomedical Engineering, FAMU-FSU College of Engineering, Tallahassee, FL, United States

Synopsis

Keywords: Neuroinflammation, Spectroscopy, Relaxation-enhanced spectroscopy, lactate, total creatine Previous examinations of the nitroglycerin (NTG)-based central sensitization, a chemical model of migraine, in the Sprague-Dawley model revealed increases in thalamic lactate signal. This held across sexes, albeit at different strengths. To investigate the potential source of any sex differences, estradiol deprivation is examined using 1H relaxation-enhanced spectroscopy localized to the thalamus. While the same energetic deprivation is seen, estradiol deprivation had negligible impact on the thalamic metabolic profile under NTG. Further examinations under alternate modalities are needed.

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Keywords