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Comparing Five Generations of ActiGraph Devices using an Orbital Shaker.
Med Sci Sports Exerc
January 2025
Energy Metabolism Section, National Institute of Diabetes, Digestive and Kidney Diseases, Diabetes, Endocrinology, and Obesity Branch, National Institutes of Health (NIH), Bethesda, MD.
Introduction: ActiGraph accelerometers are used extensively to objectively assess physical activity, sedentary behavior, and sleep. Here, we present an objective validation of five generations of ActiGraph sensors to characterize potential differences in output arising from changes to hardware or firmware.
Methods: An orbital shaker generated accelerations from 0 to 3700 milli-g in a randomized order to test the wGT3X-BT, GT9X, CentrePoint Insight Watch (CPIW) 1.
Unguarded liabilities: complex amino acid dependence exposes unique avenues of inhibition.
Front Antibiot
May 2024
Laboratory of Bacteriology, Rocky Mountain Laboratories, Division of Intramural Research, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Hamilton, MT, United States.
Recent reports from the Centers for Disease Control and Prevention approximate 500,000 cases of Lyme disease in the United States yearly, a significant economic burden on the healthcare system. The standard treatment for Lyme disease includes broad-spectrum antibiotics, which may be administered for extensive periods of time and result in significant impacts to the patient. Recently, we demonstrated that , the causative agent of Lyme disease, is uniquely dependent upon peptide acquisition via an oligopeptide transport (Opp) system.
View Article and Find Full Text PDFSpontaneous coronary artery dissection (SCAD) is characterized by intramural hematoma in a coronary artery leading to partial or complete vessel obstruction. A 51-year-old female was hospitalized with acute myocardial infarction and cardiogenic shock. She was diagnosed with severe SCAD, affecting the proximal left coronary artery.
View Article and Find Full Text PDFSARS-CoV-2 Productively Infects Human Hepatocytes and Induces Cell Death.
J Med Virol
January 2025
Institute of Virology, Technical University of Munich/Helmholtz Munich, Munich, Germany.
Article Synopsis
- SARS-CoV-2 can infect liver cells (hepatocytes), leading to elevated liver enzymes and more severe disease in those with pre-existing liver conditions.
- The study shows that the virus replicates and spreads in hepatocytes, with infection being dependent on two specific proteins, ACE2 and TMPRSS2, which are found on the liver cells.
- Infection causes rapid liver cell death, with the Omicron variant causing quicker but less extensive damage compared to other strains, as seen in both human liver cells and infected mice.
The Rhipicephalus sanguineus group: updated list of species, geographical distribution, and vector competence.
Parasit Vectors
December 2024
Department of Veterinary Medicine, University of Bari, Valenzano, Bari, Italy.
The Rhipicephalus sanguineus group is an assembly of species morphologically and phylogenetically related to Rhipicephalus sanguineus sensu stricto. The taxonomy and systematics of this species group have remained obscure for a long time, but extensive research conducted during the past two decades has closed many knowledge gaps. These research advancements culminated in the redescription of R.
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