Results 41 to 50 of about 2,723 (238)

Assessment of Ciguatera and Other Phycotoxin-Related Risks in Anaho Bay (Nuku Hiva Island, French Polynesia): Molecular, Toxicological, and Chemical Analyses of Passive Samplers

Toxins, 2020
Ciguatera poisoning is a foodborne illness caused by the consumption of seafood contaminated with ciguatoxins (CTXs) produced by dinoflagellates from the genera Gambierdiscus and Fukuyoa.
Mélanie Roué, Kirsty F. Smith, Manoella Sibat, Jérôme Viallon, Kévin Henry, André Ung, Laura Biessy, Philipp Hess, Hélène Taiana Darius, Mireille Chinain   +9 more
doaj   +1 more source

The Epiphytic Genus Gambierdiscus (Dinophyceae) in the Kermadec Islands and Zealandia Regions of the Southwestern Pacific and the Associated Risk of Ciguatera Fish Poisoning

Marine Drugs, 2017
Species in the genus Gambierdiscus produce ciguatoxins (CTXs) and/or maitotoxins (MTXs), which may cause ciguatera fish poisoning (CFP) in humans if contaminated fish are consumed. Species of Gambierdiscus have previously been isolated from macroalgae at
Lesley L. Rhodes, Kirsty F. Smith, Sam Murray, D. Tim Harwood, Tom Trnski, Rex Munday   +5 more
doaj   +1 more source

Evaluation of Matrix Issues in the Applicability of the Neuro-2a Cell Based Assay on the Detection of CTX in Fish Samples

Toxins, 2020
Ciguatoxins (CTXs) are a group of neurotoxins responsible for the syndrome ciguatera fish poisoning (CFP) as a result of the consumption of contaminated fish. The presence of these toxins has been detected around the Pacific, Caribbean and Indian coasts.
David Castro, Ronald Manger, Oscar Vilariño, Ana Gago-Martínez   +3 more
doaj   +1 more source

Emergence and Epidemiology of Ciguatera in the Coastal Cities of Southern China

Marine Drugs, 2015
In the present review of 23 published case studies, the main objective is to report the emergence and epidemiology of ciguatera in the coastal cities of southern China. There was a sudden surge in ciguatera outbreaks in 2004.
Thomas Y. K. Chan
doaj   +1 more source

Identical Ciguatoxin-3C group profiles in Lutjanus bohar from the Pacific and Indian Oceans - indicating the need to re-evaluate geographical CTX classifications

Frontiers in Marine Science, 2022
Ciguatoxins (CTXs) are a group of marine biotoxins, consisting of over 30 different congeners that can contaminate marine food webs. Generally, the molecular structures among the known congeners are variable by geographical region (i.e., ocean basin) and
Astrid Spielmeyer, Christopher R. Loeffler, Christopher R. Loeffler, Oliver Kappenstein   +3 more
doaj   +1 more source

Epidemiology and Clinical Features of Ciguatera Fish Poisoning in Hong Kong

Toxins, 2014
In the present review, the main objective was to describe the epidemiology and clinical features of ciguatera fish poisoning in Hong Kong. From 1989 to 2008, the annual incidence of ciguatera varied between 3.3 and 64.9 (median 10.2) per million people.
Thomas Y. K. Chan
doaj   +1 more source

Transcriptomic Analysis of Ciguatoxin-Induced Changes in Gene Expression in Primary Cultures of Mice Cortical Neurons

Toxins, 2018
Ciguatoxins are polyether marine toxins that act as sodium channel activators. These toxins cause ciguatera, one of the most widespread nonbacterial forms of food poisoning, which presents several symptoms in humans including long-term neurological ...
Juan Andrés Rubiolo, Carmen Vale, Andrea Boente-Juncal, Masahiro Hirama, Shuji Yamashita, Mercedes Camiña, Mercedes R. Vieytes, Luis M. Botana   +7 more
doaj   +1 more source

Experimental Evidence of Ciguatoxin Accumulation and Depuration in Carnivorous Lionfish

Toxins, 2021
Ciguatera poisoning is a food intoxication associated with the consumption of fish or shellfish contaminated, through trophic transfer, with ciguatoxins (CTXs). In this study, we developed an experimental model to assess the trophic transfer of CTXs from
Isabel do Prado Leite, Khalil Sdiri, Angus Taylor, Jérôme Viallon, Hela Ben Gharbia, Luiz Laureno Mafra Júnior, Peter Swarzenski, François Oberhaensli, Hélène Taiana Darius, Mireille Chinain, Marie-Yasmine Dechraoui Bottein   +10 more
doaj   +1 more source

Dual action of a dinoflagellate-derived precursor of Pacific ciguatoxins (P-CTX-4B) on voltage-dependent K(+) and Na(+) channels of single myelinated axons [PDF]

, 2009
The effects of Pacific ciguatoxin-4B (P-CTX-4B, also named gambiertoxin), extracted from toxic Gambierdiscus dinoflagellates, were assessed on nodal K(+) and Na(+) currents of frog myelinated axons, using a conventional voltage-clamp technique.
C. Mattei, E. Benoit, J. Molgo, S. Schlumberger   +3 more
core   +5 more sources

Extraction and LC-MS/MS Analysis of Ciguatoxins: A Semi-Targeted Approach Designed for Fish of Unknown Origin

Toxins, 2021
Ciguatoxins (CTXs) are polyether marine biotoxins that can cause ciguatera poisoning (CP) after the consumption of fish or invertebrates containing sub ppb levels; concentrations that present a challenge for current extraction and analysis methods. Here,
Astrid Spielmeyer, Christopher R. Loeffler, Dorina Bodi   +2 more
doaj   +1 more source