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The ovary is one of the first organs to exhibit signs of aging, characterized by reduced tissue function, chronic inflammation, and fibrosis. Multinucleated giant cells (MNGCs), formed by macrophage fusion, typically occur in chronic immune pathologies, including infectious and non-infectious granulomas and the foreign body response , but are also observed in the aging ovary . The function and consequence of ovarian MNGCs remain unknown as their biological activity is highly context-dependent, and their large size has limited their isolation and analysis through technologies such as single-cell RNA sequencing.
View Article and Find Full Text PDFEven protected seaweeds must face a warming ocean: Sea surface temperatures trigger tissue bleaching and breakdown in the unique giant Irish moss (Chondrus crispus).
Mar Environ Res
December 2024
Coastal Ecology Laboratory, Department of Biology, University of Prince Edward Island, Charlottetown, PE, Canada. Electronic address:
Current projections of rising sea surface temperatures (SST) pose a threat to marine macroalgae, particularly those living in shallow coastal areas. The giant Irish moss, a unique strain of the common red alga Chondrus crispus, is found solely in a coastal lagoon in Prince Edward Island, Atlantic Canada, and has undergone a two-decade population decline. Despite protection efforts, this alga has not recovered to its pre-decline abundance, which may be due to, among other factors, warming ocean temperatures.
View Article and Find Full Text PDFPathology of rheumatoid meningitis: A report of 5 cases highlighting the importance of clinical correlation.
Ann Diagn Pathol
February 2025
Department of Pathology, University of Colorado Health Science Center, Anschutz Medical Campus, Aurora, CO, USA; Department of Neurosurgery, University of Colorado Health Science Center, Anschutz Medical Campus, Aurora, CO, USA; Department of Neurology, University of Colorado Health Science Center, Anschutz Medical Campus, Aurora, CO, USA.
Rheumatoid meningitis (RM) presents with sufficiently wide-ranging, but non-specific, symptoms and neuroimaging features of pachy- and/or leptomeningeal thickening that it may be indistinguishable from subacute infectious meningitis. RA diagnosis variably antedates RM and serological confirmation by rheumatoid factor and anti-citrullinated peptide antibodies may not be present preoperatively. Thus, meningeal biopsy may be undertaken.
View Article and Find Full Text PDFGenetic Insights into the Giant Keyhole Limpet (), an Eastern Pacific Coastal Endemic: Complete Mitogenome, Phylogenetics, Phylogeography, and Historical Demography.
Genes (Basel)
October 2024
Centro de Investigacion Científica y de Educacion Superior de Ensenada (CICESE), Ensenada 22860, Baja California, Mexico.
Background: The giant keyhole limpet is a gastropod mollusk (Fissurella superfamily) that is endemic to the eastern Pacific coast from southern California, USA, to Baja California Sur, Mexico. is socioeconomically important as it produces a potent immune-stimulating protein, called Keyhole Limpet Hemocyanin, which is extracted in vivo and utilized for vaccine development. However, ecological studies are scarce and genetic knowledge of the species needs to be improved.
View Article and Find Full Text PDFAgreement and Sensitivity of the Acceleration-Velocity Profile Derived via Local Positioning System.
Sensors (Basel)
September 2024
Faculty of Health Sciences, Institute of Physiotherapy and Sport Science, University of Pecs, 7621 Pecs, Hungary.
Sprint performance is commonly assessed via discrete sprint tests and analyzed through kinematic estimates modeled using a mono-exponential equation, including estimated maximal sprinting speed (MSS), relative acceleration (TAU), maximum acceleration (MAC), and relative propulsive maximal power (PMAX). The acceleration-velocity profile (AVP) provides a simple summary of short sprint performance using two parameters: MSS and MAC, which are useful for simplifying descriptions of sprint performance, comparison between athletes and groups of athletes, and estimating changes in performance over time or due to training intervention. However, discrete testing poses logistical challenges and defines an athlete's AVP exclusively from the performance achieved in an isolated testing environment.
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