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| http://dx.doi.org/10.1111/pbi.13198 | DOI Listing |
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Moderate and Vigorous Physical Activity Intensity Cut-Points for Hip-, Wrist-, Thigh-, and Lower Back Worn Accelerometer in Very Old Adults.
Scand J Med Sci Sports
January 2025
Department of Sports Science and Clinical Biomechanics, University of Southern Denmark, Odense, Denmark.
Physical activity (PA) reduces the risk of negative mental and physical health outcomes in older adults. Traditionally, PA intensity is classified using METs, with 1 MET equal to 3.5 mL O·min·kg.
View Article and Find Full Text PDFTime-resolved fluorescence measurements of dissolved organic matter (DOM) as a function of environmental parameters in estuarine waters.
Environ Sci Pollut Res Int
January 2025
Department of Chemistry, College of Science and Engineering, Western Washington University, 516 High Street, Bellingham, WA, 98229, USA.
Fluorescent lifetimes of dissolved organic matter (DOM) and associated physicochemical parameters were measured over 14 months in an estuary in Southern California, USA. Measurements were made on 77 samples from sites near the inlet, mid-estuary, and outlet to maximize the range of physicochemical variables. Time-resolved fluorescence data were well fit to a triexponential model with an intermediate lifetime component (τ: 1 to 5 ns), a long lifetime component (τ: 2 to 15 ns), and a short lifetime component (τ: < 1 ns).
View Article and Find Full Text PDFEffects of RARα ligand binding domain mutations on breast fibroepithelial tumor function and signaling.
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January 2025
Cancer Science Institute of Singapore, National University of, Singapore, Singapore.
Point mutations in the ligand binding domain of retinoic acid receptor alpha (RARα) are linked to breast fibroepithelial tumor development, but their role in solid tumorigenesis is unclear. In this study, we assessed the functional effects of known RARα mutations on retinoic acid signaling using biochemical and cellular assays. All tested mutants exhibited reduced transcriptional activity compared to wild-type RARα and showed a dominant negative effect, a feature associated with developmental defects and tumor formation.
View Article and Find Full Text PDFBackground: Autosomal dominant Alzheimer's Disease (ADAD) represents around 0.5% of all AD cases, and is caused by mutations in PSEN1, PSEN2 and APP genes. Gene expression studies can be useful for unravelling the physiopathology of AD and identifying potential biomarkers.
View Article and Find Full Text PDFBasic Science and Pathogenesis.
Alzheimers Dement
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University of Guadalajara, Guadalajara, JA, Mexico.
Background: The ways in which diverse genetic variants interact to affect the phenotype of AD is poorly understood. The relatively consistent phenotype associated with specific mutations causing autosomal dominant AD (ADAD) provides the opportunity to study how other genetic variants contribute to disease manifestations.
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