Search Results - "Legrand, A. M."

Severe seafood poisoning in French Polynesia: A retrospective analysis of 129 medical files by Gatti, C., Oelher, E., Legrand, A.M.

“…We present a retrospective study of 129 medical files concerning seafood poisonings (SFPs) registered at the central hospital of Tahiti (French Polynesia)…”
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Ciguatoxins and brevetoxins, neurotoxic polyether compounds active on sodium channels by Dechraoui, Marie-Yasmine, Naar, Jérôme, Pauillac, Serge, Legrand, Anne-Marie

“…Ciguatoxins (CTXs) and brevetoxins (PbTxs) modify the activation and inactivation processes of voltage-sensitive sodium channels (VSSC). In this study, the…”
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Seasonal abundance and toxicity of the dinoflagellate Gambierdiscus spp. (Dinophyceae), the causative agent of ciguatera in Tahiti, French Polynesia by CHINAIN, M, GERMAIN, M, DEPARIS, X, PAUILLAC, S, LEGRAND, A.-M

“…The benthic dinoflagellate Gambierdiscus spp. is the primary causative agent of ciguatera fish poisoning in French Polynesia. However, the initiation of…”
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Neurologic signs of ciguatera disease: evidence of their persistence by Chateau-Degat, M-L, Beuter, A, Vauterin, G, Nguyen, N L, Chinain, M, Darius, T, Legrand, A-M, Chansin, R, Dewailly, E

“…Ciguatoxins exert their effect on the voltage-sensitive sodium channels of the cellular membranes of all excitable tissues. This effect confers to ciguatera…”
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Nodal swelling produced by ciguatoxin-induced selective activation of sodium channels in myelinated nerve fibers by Benoit, E., Juzans, P., Legrand, A.-M., Molgo, J.

“…Ciguatoxin-1b, the major toxin involved in ciguatera fish poisoning, and D-mannitol were examined on frog nodes of Ranvier using confocal laser scanning…”
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Value of rare diseases reference centers: impact on diagnosis and access to specialized care in fibrous dysplasia of bone by Legrand, M.A., Bagouet, F., Merle, B., Gensburger, D., Chapurlat, R.

“…Reference Centers and Rare Disease Health Networks aim to improve the management of patients with rare diseases. The French reference center for Fibrous…”
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Isolation and Structure of Ciguatoxin-4A, a New Ciguatoxin Precursor, from Cultures of Dinoflagellate Gambierdiscus toxicus and Parrotfish Scarus gibbus by Satake, Masayuki, Ishibashi, Yoshihiko, Legrand, Anne-Marie, Yasumoto, Takeshi

“…A new ciguatoxin congener, ciguatoxin-4A (CTX4A), was isolated from cultures of marine dinoflagellate Gambierdiscus toxicus, and its structure was elucidated…”
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Autumn, winter and spring dynamics of aphid Sitobion avenae and parasitoid Aphidius rhopalosiphi interactions by Legrand, M.A, Colinet, H, Vernon, P, Hance, T

“…Summary The potential of parasitoids for aphid control during summer has been well documented. Few results are available on the impact of parasitoid…”
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The epidemiology of ciguatera fish poisoning by Glaziou, P, Legrand, A M

“…Ciguatera is a toxin-related disease caused by ingestion of a variety of toxic fish living in tropical or subtropical areas. This article aims to look at the…”
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Structures of ciguatoxin and its congener by Murata, Michio, Legrand, Anne M, Ishibashi, Yoshihiko, Yasumoto, Takeshi

“…Ciguatoxin (CTX) is a toxic principle of ciguatera, one of the largest scale food poisonings of nonmicrobial origins, which results from eating coral reef…”
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Characterization of mice antisera elicited with a ciguatoxin tetracyclic synthetic ring fragment (JKLM) conjugated to carrier proteins by Pauillac, Serge, Sasaki, Makato, Inoue, Masayuki, Naar, Jérôme, Branaa, Philippe, Chinain, Mireille, Tachibana, Kazuo, Legrand, Anne-Marie

“…As a good alternative to the lack of pure ciguatoxin (CTX), conjugates of JKLM ring fragment, a carboxylic derivative of the right-hand tetracyclic terminus…”
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Are mummy characteristics reliable indicators of diapause and cold tolerance in the parasitoid wasp Aphidius rhopalosiphi (Braconidae, aphidiinae) ? by Legrand, M A, Salin, C, Langer, A, Hance, T

“…Many insect species have evolved different overwintering survival strategies such as cold tolerance or diapause. This study investigated the relationship…”
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Ciguatoxin is a novel type of Na+ channel toxin by Bidard, J.N, Vijverberg, H.P.M, Frelin, C, Chungue, E, Legrand, A.M, Bagnis, R, Lazdunski, M

“…Purified ciguatoxin at 0.1 to 10 ng/ml inhibits the net accumulation of neurotransmitters (gamma-aminobutyric acid and dopamine) by brain synaptosomes. This…”
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Ciguatoxin enhances quantal transmitter release from frog motor nerve terminals by Molgó, Jordi, Cornelia, Joan X., Legrand, Anne Marie

“…1 Ciguatoxin (CTX), a marine toxin produced by the benthic dinoflagellate Gambierdiscus toxicus, is responsible for a complex endemic disease in man known as…”
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Structural Elucidation of Ciguatoxin Congeners by Fast-Atom Bombardment Tandem Mass Spectroscopy by Yasumoto, Takeshi, Igarashi, Tomoji, Legrand, Anne-Marie, Cruchet, Philippe, Chinain, Mireille, Fujita, Tsuyoshi, Naoki, Hideo

“…Many tropical species of fish when ingested may cause an intoxication known as ciguatera. The causative toxins originate in an epiphytic dinoflagellate…”
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Isolation and some properties of ciguatoxin by LEGRAND, A. M, LITAUDON, M, GENTHON, J. N, BAGNIS, R, YASUMOTO, T

“…Ciguatoxin, the principal toxin of ciguatera produced by a toxic dinoflagellate (Gambierdiscus toxicus ), and accumulated through the food chain in the viscera…”
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Effects of ciguatoxin on current and voltage clamped frog myelinated nerve fibre by Benoit, E, Legrand, A M, Dubois, J M

“…The effects of 0.25 X 10(-9) and 1.25 X 10(-9) g/ml of purified ciguatoxin (CgTX) upon the node of Ranvier of frog isolated nerve fibres were investigated…”
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Isolation and structures of new ciguatoxin analogs, 2,3-dihydroxyCTX3C and 51-hydroxyCTX3C, accumulated in tropical reef fish by Satake, Masayuki, Fukui, Masakazu, Legrand, Anne-Marie, Cruchet, Philippe, Yasumoto, Takeshi

“…Two new ciguatoxin analogs, 2,3-dihydroxyCTX3C and 51-hydroxyCTX3C, were isolated from the moray eel Gymnothorax javanicus. Their structures including relative…”
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Detection and characterization of Wolbachia infections in Wuchereria bancrofti (Spirurida: Onchocercidae) var. pacifica and Aedes (Stegomyia) polynesiensis (Diptera: Culicidae) by Plichart, Catherine, Legrand, Anne-Marie

“…Despite control programs based on mass drug administration (MDA) of microfilaricidal compounds, Bancroftian lymphatic filariasis remains a problem in French…”
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Purified ciguatoxin-induced modifications in excitability of myelinated nerve fibre by BENOIT, E, LEGRAND, A.-M

“…The effects of external applications of 0.22-1.12 nM of purified ciguatoxin (CTX-1B), extracted from the moray-eel, were studied on frog current and voltage…”
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