The Case for the Target of Rapamycin Pathway as a Candidate Circadian Oscillator
Lakin-Thomas, Patricia
The molecular mechanisms that drive circadian (24 h) rhythmicity have been investigated for many decades, but we still do not have a complete picture of eukaryotic circadian systems. Although...
Studying the Human Microbiota: Advances in Understanding the Fundamentals, Origin, and Evolution of Biological Timekeeping
Siebieszuk, Adam; Sejbuk, Monika; Witkowska, Anna Maria
The recently observed circadian oscillations of the intestinal microbiota underscore the profound nature of the...
Regional quantification of cardiac metabolism with hyperpolarized 1-13C-pyruvate MRI evaluated in an oral glucose challenge
Peder E. Z. Larson; Shuyu Tang; Xiaoxi Liu; Avantika Sinha; Nicholas Dwork; Sanjay Sivalokanathan; Jing Liu; Robert Bok; Karen G Ordovas; James Slater; Jeremy Gordon; Maria...
Brain fog in long COVID: A glutamatergic hypothesis with astrocyte dysfunction accounting for brain PET glucose hypometabolism
Abstract
Brain [18F]FDG-PET scans have revealed a glucose hypometabolic pattern in patients with long COVID. This hypometabolism might reflect primary astrocyte...
Genomic communication via circulating extracellular vesicles and long-term health consequences of COVID-19
Nair, Soumyalekshmi; Nova-Lamperti, Estefania; Labarca, Gonzalo; Kulasinghe, Arutha; Short, Kirsty R.; Carrión, Flavio; Salomon, Carlos
COVID-19 continues to affect an unprecedented number...
Plasma proteomics show altered inflammatory and mitochondrial proteins in patients with neurologic symptoms of post-acute sequelae of SARS-CoV-2 infection
Hanson; Visvabharathy; Orban; Jimenez; Batra; Liotta; DeLisle; Klausner; Cohen; Padhye; Tachas; Koralnik
Persistent symptoms of COVID-19...
Core mitochondrial genes are down-regulated during SARS-CoV-2 infection of rodent and human hosts
Joseph W. Guarnieri; Joseph M. Dybas; Hossein Fazelinia; Man S. Kim; Justin Frere; Yuanchao Zhang; Yentli Soto Albrecht; Deborah G. Murdock; Alessia Angelin; Larry N. Singh; Scott L. Weiss; Sonja M...
Mitochondria and oxygen homeostasis
Mateus P. Mori; Rozhin Penjweini; Jay R. Knutson; Ping-yuan Wang; Paul M. Hwang
Molecular oxygen possesses a dual nature due to its highly reactive free radical property: it is capable of oxidizing metabolic substrates to generate cellular energy, but can...
SCENITH: A Flow Cytometry-Based Method to Functionally Profile Energy Metabolism with Single-Cell Resolution
Rafael J. Argüello; Alexis J. Combes; Remy Char; Julien-Paul Gigan; Ania I. Baaziz; Evens Bousiquot; Voahirana Camosseto; Bushra Samad; Jessica Tsui; Peter Yan; Sebastien Boissonneau...
Extensive Brain Pathologic Alterations Detected with 7.0-T MR Spectroscopic Imaging Associated with Disability in Multiple Sclerosis
Eva Heckova; Assunta Dal-Bianco; Bernhard Strasser; Gilbert J. Hangel; Alexandra Lipka; Stanislav Motyka; Lukas Hingerl; Paulus S. Rommer; Thomas Berger; Petra...
Neurovascular coupling is the concept that in the CNS, organ function is tightly associated with blood flow, moreso than in other organs. Theoretical background and latest thinking —
From the introduction in The Neurovascular Unit Coming of Age: A Journey through Neurovascular Coupling in...
Thermosensitivity of translation underlies the mammalian nocturnal-diurnal switch
Andrew David Beale; Nina M Rzechorzek; Andrei Mihut; Aiwei Zeng; Nicola J Smyllie; Violetta Pilorz; Rose Richardson; Mads F Bertlesen; Nathan R James; Shaline V Fazal; Zanna Voysey; Jerry Pelletier; Priya Crosby...
Associations of circulating metabolites with cerebral white matter hyperintensities
Yan Sun; Yu Guo; Hong-Qi Li; Lan Tan; Jian-Feng Feng; Wei Cheng; Jin-Tai Yu
White matter hyperintensities (WMH) are the most compelling risk factors of stroke, dementia, and early mortality. We aimed to...
Loss of Skeletal Muscle Pyruvate Dehydrogenase Induces Lactic Acidosis and Adaptive Anaplerotic Compensation via Pyruvate-Alanine Cycling and Glutaminolysis
Keshav Gopal; Abdualrahman Mohammed Abdualkader; Xiaobei Li; Amanda A. Greenwell; Qutuba G. Karwi; Christina Saed; Golam M. Uddin; Ahmed M...
Significance
Chronic fatigue syndrome is a multisystem disease that causes long-term pain and disability. It is difficult to diagnose because of its protean symptoms and the lack of a diagnostic laboratory test. We report that targeted, broad-spectrum metabolomics of plasma not only revealed a...
Transforming Growth Factor-β: An Agent of Change in the Tumor Microenvironment
Stuelten, Christina H.; Zhang, Ying E.
Transforming Growth Factor-β (TGF-β) is a key regulator of embryonic development, adult tissue homeostasis, and lesion repair. In tumors, TGF-β is a potent inhibitor of early...
Nuclear Magnetic Resonance Spectroscopy Metabolomics in Idiopathic Intracranial Hypertension to Identify Markers of Disease and Headache
Grech O, Seneviratne SY, Alimajstorovic Z, Yiangou A, Mitchell JL, Smith TB, Mollan SP, Lavery GG, Ludwig C, Sinclair AJ
Background and objective: We...
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