The consequences of drinking six pints of beer (3.31) over three hours were investigated in six healthy men. The expected rise in plasma osmolality, fall in plasma vasopressin concentration, and increase in free water clearance occurred; these variables had returned to normal by nine hours. There was a small but significant fall in plasma concentrations of urea and creatinine accompanied by a rise in plasma potassium concentration. Serum activities of alkaline phosphatase, gamma-glutamyl transferase, creatinine kinase, and lactate dehydrogenase did not change, and there was no alcohol-induced hypoglycaemia. All subjects had a slight hangover, but none was fluid depleted. It is concluded that, apart from inducing changes in water balance, alcohol in this form causes remarkably little metabolic disturbance.
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http://dx.doi.org/10.1136/bmj.285.6357.1770 | DOI Listing |
Mol Genet Metab
December 2024
National Human Genome Research Institute, Bethesda, MD, USA. Electronic address:
Background: Impaired oxidation of branched chain amino acids may give rise to volatile organic compounds (VOCs). We hypothesized that VOCs will be present in exhaled breath of participants with propionic acidemia (PA), and their relative abundance would correlate with clinical and biochemical characteristics of the disease.
Methods: We enrolled 5 affected participants from a natural history study of PA (ClinicalTrials.
J Inorg Biochem
December 2024
Rutgers, The State University of New Jersey, Dept of Pharmacology, Physiology & Neuroscience, Newark, NJ, United States of America.
Crown ethers have been shown to have physiological effects ascribed to their ionophoric properties. However, high levels of toxicity precluded interest in their evaluation as therapeutic agents. We prepared new silacrown analogs of crown ethers.
View Article and Find Full Text PDFBackground: Alzheimer's disease (AD) is a progressive neurodegenerative disorder characterised by cognitive decline, memory loss, and impaired daily functioning. As the global population ages, the prevalence of AD continues to rise, emphasising the urgent need for effective preventive and therapeutic strategies. Carotenoids, a group of naturally occurring pigments with antioxidant properties, have gained attention for their potential neuroprotective effects.
View Article and Find Full Text PDFAlzheimers Dement
December 2024
Department of Molecular Imaging & Therapy, Austin Health, Heidelberg, VIC, Australia.
Background: Rise in plasma phospho-tau (pTau) is hypothesized to reflect a physiological response to brain Aβ plaques, preceding the formation of neurofibrillary tangles (NFT). An alternate explanation is poor sensitivity of tau PET for detection of early NFT formation. The tau tracer MK6240 has very low background "off-target" binding and may better detect early tau aggregation.
View Article and Find Full Text PDFAlzheimers Dement
December 2024
Department of Neurology, University of Colorado Alzheimer's and Cognition Center, and the Linda Crnic Institute for Down Syndrome, University of Colorado, Anschutz Medical Campus, Aurora, CO, USA.
Background: Increasing age is the greatest risk factor for age-associated cognitive decline (AACD) and, especially in females, for developing Alzheimer's disease (AD). Mechanisms underlying this connection are unknown, but neuronal loss and brain atrophy accompany aging and AD and likely contribute to cognitive deficits. There are currently no means to measure neuronal cell death during life and no means to prevent it.
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