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Central Nervous System Response Against Ionizing Radiation Exposure: Cellular, Biochemical, and Molecular Perspectives.
Mol Neurobiol
January 2025
Radiation Biotechnology Department, Institute of Nuclear Medicine and Allied Sciences (INMAS), Defence Research and Development Organization (DRDO), Brig. S.K. Mazumdar Road, Timarpur, Delhi, 110054, India.
Gamma radiation is known to induce several detrimental effects on the nervous system. The hippocampus region, specifically the dentate gyrus (DG) and subventricular zone (SVZ), have been identified as a radiation-sensitive neurogenic niche. Radiation alters the endogenous redox status of neural stem cells (NSCs) and other proliferative cells, especially in the hippocampus region, leading to oxidative stress, neuroinflammation, and cell death.
View Article and Find Full Text PDFRadiation Dose to Occupational Dosimeters Brought on Commercial Air Travel.
Health Phys
January 2025
Department of Radiation Oncology & Medical Physics, Inova Health Systems, Fairfax, Virginia.
Occupational radiation dosimeters that return high readings cannot always be explained by circumstances in the workplace. For this experiment, a series of optically stimulated luminescence (OSL) dosimeters were brought to airports to estimate the radiation dose OSLs would receive should a worker accidentally bring their dosimeter with them during travel. The OSLs returned readings between 0.
View Article and Find Full Text PDFRecent progress in polysaccharide microsphere-based hemostatic material for intravascular and extravascular hemostasis: A review.
Int J Biol Macromol
January 2025
Shiyan Key Laboratory of Natural Medicine Nanoformulation Research, Hubei Key Laboratory of Embryonic Stem Cell Research, School of Basic Medical Sciences, Hubei University of Medicine, Shiyan 442000, China. Electronic address:
Hemorrhage, a common consequence of diseases, surgical procedures, and traffic accidents, poses a significant threat to public health. Effective hemostasis is crucial for patient survival and prognosis, particular in case of internal bleeding. While polysaccharide microsphere-based hemostatic materials have gained clinical acceptance due to their effectiveness, good biocompatibility, and versatility in both intravascular and extravascular hemostasis, they are limited by their single function and insufficient hemostatic properties.
View Article and Find Full Text PDFAn Approach to Fall Detection Using Statistical Distributions of Thermal Signatures Obtained by a Stand-Alone Low-Resolution IR Array Sensor Device.
Sensors (Basel)
January 2025
Faculty of Science and Engineering, Saga University, Saga 840-8502, Japan.
Infrared array sensor-based fall detection and activity recognition systems have gained momentum as promising solutions for enhancing healthcare monitoring and safety in various environments. Unlike camera-based systems, which can be privacy-intrusive, IR array sensors offer a non-invasive, reliable approach for fall detection and activity recognition while preserving privacy. This work proposes a novel method to distinguish between normal motion and fall incidents by analyzing thermal patterns captured by infrared array sensors.
View Article and Find Full Text PDFCushing syndrome.
Nat Rev Dis Primers
January 2025
Endocrine Division, Department of Medicine, Centre hospitalier de l'Université de Montréal (CHUM), Montreal, Québec, Canada.
Cushing syndrome (CS) is a constellation of signs and symptoms caused by excessive exposure to exogenous or endogenous glucocorticoid hormones. Endogenous CS is caused by increased cortisol production by one or both adrenal glands (adrenal CS) or by elevated adrenocorticotropic hormone (ACTH) secretion from a pituitary tumour (Cushing disease (CD)) or non-pituitary tumour (ectopic ACTH secretion), which stimulates excessive cortisol production. CS is associated with severe multisystem morbidity, including impaired cardiovascular and metabolic function, infections and neuropsychiatric disorders, which notably reduce quality of life.
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