Tetrodotoxin (TTX) is a toxin mainly occurring naturally in contaminated puffer fish, which are a culinary delicacy in Japan. It is also detected in various marine organisms like globefish, starfish, sunfish, stars, frogs, crabs, snails, Australian blue-ringed octopuses, and bivalve molluscs. TTX is produced by marine bacteria that are consumed mainly by fish of the family and other aquatic animals. TTX poisoning through consuming marine snails has recently begun to occur over a wider geographical extent through Taiwan, China, and Europe. This neurotoxin causes food intoxication and poses an acute risk to public health. The aim of this review is to present the most recent information about TTX and its analogues with particular regard to toxicity, methods of analysis, and risk to humans of exposure.
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http://dx.doi.org/10.2478/jvetres-2019-0060 | DOI Listing |
Mol Divers
January 2025
Department of Biosciences, Faculty of Science, Universiti Teknologi Malaysia, 81310, Johor Bahru, Johor, Malaysia.
Dengue is one of the most prevalent viruses transmitted by the Aedes aegypti mosquitoes. Currently, no specific medication is available to treat dengue diseases. The NS2B-NS3 protease is vital during post-translational processing, which is a key target in this study.
View Article and Find Full Text PDFMol Biol Rep
January 2025
College of Life Sciences, Liaoning Normal University, Dalian, Liaoning, 116029, China.
Background: High temperature is a critical environmental factor leading to mass mortality in oyster aquaculture in China. Recent advancements highlight the physiological regulation function of γ-aminobutyric acid (GABA) in the adaptation of environmental stress.
Methods And Results: This study examined the physiological responses of the Pacific oyster (Crassostrea gigas) upon high temperature exposure, focusing on the histopathological changes in gill, the GABA concentration, the mRNA expression and activities of apoptosis-related genes.
Mil Psychol
January 2025
Military Performance Division, U.S. Army Research Institute of Environmental Medicine, Natick, Massachusetts, USA.
As the Army continues to adapt to evolving mission demands and global threats, those who execute the mission - both soldiers and Department of the Army (DA) civilians - must also adapt to changing occupational demands and requirements. Occupational stress within the military community is a threat to health and wellbeing that impacts not only individual soldiers and civilian personnel, but also units, families, and the broader military community. Hardiness is an operational requirement for military success, spirituality might be a means to positively impact soldier and DA Civilian hardiness.
View Article and Find Full Text PDFJ Acoust Soc Am
January 2025
National Key Laboratory of Underwater Acoustic Technology, Harbin Engineering University, Harbin 150001, China.
Low-frequency transducers are considerably smaller than the wavelength. When multiple low-frequency transducers are closely packed, they couple with the surrounding water and form a transducer-water-transducer coupling structure called multi-element coupled transducers (MCT). This study presents a theoretical model of the MCT based on radiation and mutual radiation theory and analyzes it under multiple resonance frequencies and vibration modes.
View Article and Find Full Text PDFJ Physiol
January 2025
Department of Physiology and Membrane Biology, University of California Davis School of Medicine, Sacramento, CA, USA.
The complex microbial community residing in the human gut has long been understood to regulate gastrointestinal physiology and to participate in digestive diseases, but its extraintestinal actions and influences are increasingly recognized. This article discusses bidirectional interactions between the gut microbiome and athletic performance, metabolism, longevity and the ability of the gut-brain axis to influence cognitive function and mental health.
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