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Black sand nanoparticles and heat stress impacts the neurological and oxidative stress indices and splenic-renal histology of Clarias gariepinus.
Sci Rep
September 2024
Department of Zoology, Faculty of Science, Al-Azhar University (Assiut Branch), Assiut, 71524, Egypt.
In Egypt, while many studies have focused on the radiometry and mineralogy of black sands, research on their effects on nearby aquatic organisms is rare. This study aimed to assess the combined effects of heat stress (HS) and black sand nanoparticles (BS-NPs) on renal function, antioxidant responses (TAC, SOD, CAT), neuro-stress indicators (AchE, cortisol), and to conduct histopathological investigations in the kidney and spleen tissues of African catfish Clarias gariepinus over a 15-day period to exposure to control, HS (32 °C), BS (6.4 g/kg diet) and HS + BS groups.
View Article and Find Full Text PDFCerebral venous congestion alters CNS homeostatic plasticity, evoking tinnitus-like behavior.
Cell Biosci
April 2024
Beijing Advanced Innovation Center for Big Data-Based Precision Medicine, School of Biological Science and Medical Engineering, Beihang University, No. 37 Xueyuan Road, Haidian District, Beijing, 100191, China.
Background: Brain function and neuronal activity depend on a constant supply of blood from the cerebral circulation. The cerebral venous system (CVS) contains approximately 70% of the total cerebral blood volume; similar to the cerebral arterial system, the CVS plays a prominent role in the maintenance of central nervous system (CNS) homeostasis. Impaired venous autoregulation, which can appear in forms such as cerebral venous congestion, may lead to metabolic abnormalities in the brain, causing severe cerebral functional defects and even chronic tinnitus.
View Article and Find Full Text PDFSodium homeostasis and signalling: The core and the hub of astrocyte function.
Cell Calcium
January 2024
Faculty of Biology, Medicine and Health, The University of Manchester, Manchester, M13 9PT, United Kingdom; Achucarro Centre for Neuroscience, IKERBASQUE, Basque Foundation for Science, 48011 Bilbao, Spain; Department of Forensic Analytical Toxicology, School of Forensic Medicine, China Medical University, Shenyang, China; International Collaborative Center on Big Science Plan for Purinergic Signaling, Chengdu University of Traditional Chinese Medicine, Chengdu, China; Department of Stem Cell Biology, State Research Institute Centre for Innovative Medicine, LT-01102, Vilnius, Lithuania. Electronic address:
Neuronal activity and neurochemical stimulation trigger spatio-temporal changes in the cytoplasmic concentration of Na ions in astrocytes. These changes constitute the substrate for Na signalling and are fundamental for astrocytic excitability. Astrocytic Na signals are generated by Na influx through neurotransmitter transporters, with primary contribution of glutamate transporters, and through cationic channels; whereas recovery from Na transients is mediated mainly by the plasmalemmal Na/K ATPase.
View Article and Find Full Text PDFUsing Personality and Temperament to Predict Exercise Behavior: A Pilot Study of the Braverman Nature Assessment.
Int J Exerc Sci
February 2022
Department of Exercise Science, Elon University, Elon, NC, USA.
The Braverman Nature Assessment (BNA) is intended to determine the dominant monoamine neurochemical that drives an individual's temperament and behavior. The measure has been colloquially praised for the ability to determine the most effective exercise protocols for an individual based on their "dominant nature." This study seeks to examine the proposed relationship between the Braverman Natures and exercise behavior.
View Article and Find Full Text PDFPost-Traumatic Stress Disorder after Subarachnoid Hemorrhage: A Systematic Review.
Neurol India
March 2023
Department of Neurology, Asan Medical Center, University of Ulsan, Seoul, Korea.
Background: Post-traumatic stress disorder (PTSD) frequently follows neurological disorders such as non-traumatic subarachnoid hemorrhage (SAH) and has debilitating consequences.
Objective: The aim of this systematic review was the critical appraisal of the literature on the frequency, severity, and temporal progression of PTSD in patients with SAH, the etiology of PTSD, and its effect on patients' quality of life (QoL).
Material And Methods: Studies were obtained from three databases: PubMed EMBASE, PsycINFO, and Ovid Nursing.
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