Browsing by Author "223f638d-3fb5-41e9-a353-542e5483852b"
Now showing items 1-20 of 20
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Rivas, Mariella; García Carrasco, Carlos; Liberona Leppe, José; Lagos Wilson, Néstor (2000)Protein phosphatases are involved in many cellular processes. One of the most abundant and best studied members of this class is protein phosphatase type-2A (PP2A). In this study, PP2A was purified from the mussel Mytilus ...
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García, Carlos; Oyaneder Terrazas, Javiera; Contreras, Cristobal; Del Campo, Miguel; Torres, Rafael; Contreras Muñoz, Héctor (Taylor & Francis, 2016)Contamination of shellfish with lipophilic marine biotoxins (LMB), pectenotoxins (PTXs), yessotoxins (YTXs) and okadaic acid (OA) toxin groups in southern Chile is a constant challenge for the development of miticulture ...
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Parraguez Gamboa, Víctor; Atlagich, Miljenko; Araneda, Oscar; García, Carlos; Muñoz, Andrés; Reyes Solovera, Mónica de los; Urquieta, Bessie (CSIRO PUBLISHING, 2011)The present study evaluated the hypothesis that the effects of hypoxia on sheep pregnancies at high altitude (HA) are mediated by oxidative stress and that antioxidant vitamins may prevent these effects. Both HA native and ...
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Hégaret, Hélène; Brokordt, Katherina B.; Gaymer, Carlos F.; Lohrmann, Karin B.; García, Carlos; Varela, Daniel (2012)Juvenile Northern scallops Argopecten purpuratus were exposed to cultures of the paralytic shellfish toxin (PST) producing dinoflagellate, Alexandrium catenella, or a non-toxic microalga as a control, T-iso. After 3 and 6 ...
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García, Carlos; González, Viviana; Cornejo, Carlos; Palma-Fleming, Hernán; Lagos, Néstor (2004)Diarrhetic shellfish poisoning (DSP) is a gastrointestinal disease caused by fat-soluble polyether toxins produced by dinoflagellates and accumulated in shellfish. Up to the present, only four fat-soluble polyethers have ...
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García, Carlos; Pruzzo, Matías; Rodríguez-Unda, Nelson; Contreras, Cristóbal; Lagos, Néstor (Japanese Society of Toxicology, 2010)This paper shows the detection of Diarrhetic Shellfish Poison (DSP) phycotoxins, using HPLC-FLD with pre-column derivatization procedure and HPLC-MS methods, in the analysis of shell-fish extracts tested positive with the ...
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García, Carlos; Schonstedt, Valeria; Santelices, Juan Palbo; Lagos, Néstor (2006)This study describes the detection of high amount of 7-O-acyl-derivative dinophysistoxin-1 (Dinophysistoxin-3) in filter bivalves collected on February 2005 in the Seno de Reloncaví, Puerto Montt City, Southern Chile, in ...
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García, Carlos; Lagos, Marcelo; Truan, Dominique; Lattes, Karinna; Véjar, Omar; Chamorro, Beatriz; Iglesias, Verónica; Andrinolo, Darío; Lagos, Néstor (Society of Biology of Chile, 2005)This study reports the data recorded from four patients intoxicated with shellfish during the summer 2002, after consuming ribbed mussels (Aulacomya ater) with paralytic shellfish toxin contents of 8,066 +/- 61.37 microg/100 ...
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Oyaneder Terrazas, Javiera; Polanco, Cassandra; Figueroa, Diego; Barriga, Andrés; García, Carlos (Taylor and Francis, 2020)Lipophilic marine toxins (LMTs) are made up of multiple groups of toxic analogues, which are characterised by different levels of cellular and toxic action. The most prevalent groups in the southern Pacific zone are: a) ...
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Contreras, Héctor R.; García, Carlos (Taylor and Francis Ltd., 2019)Okadaic acid group (OA-group) is a set of lipophilic toxins which are characterised by being produced by species associated with the genera Dinophysis and Prorocentrum. OA-group has been regularly detected in endemic ...
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García, Carlos; Truan, Dominique; Lagos, Marcelo; Santelices, Juan Pablo; Díaz, Juan Carlos; Lagos, Néstor (2005)This paper describes for the first time a massive intoxication episode due to consumption of shellfish contaminated with 7-O-acyl-derivative dinophysistoxin-1, named Dinophysistoxin-3 (DTX-3). 7-O-acyl-derivative ...
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García, Carlos; Bravo, María Del Carmen; Lagos, Marcelo; Lagos, Néstor (2004)In July 5, 2002 fishermen working in harvesting sea urchin (Loxechinus albus) in the Patagonia Chilean fjords were intoxicated by consumption of filter-feeder bivalve Aulacomya ater. After the ingestion of 7-9 ribbed mussel, ...
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Pérez, Gustavo; Escalona, Alex; Jarufe, Nicolás; Ibáñez, Luis; Viviani, Paola; García, Carlos; Benavides, Carlos; Salvadó, José (2005)The T-tube has been the alternative of choice for decompression following common bile duct (CBD) exploration. The development of laparoscopic surgery has suggested using a biliary stent as an alternative to the T-tube ...
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García, Carlos; Pereira, Paulo; Valle, Luis; Lagos, Néstor (Society of Biology of Chile, 2003)Diarrhetic shellfish poisoning (DSP) is a gastrointestinal disease caused by lipid soluble polyether toxins produced by dinoflagellates and accumulated in shellfish. Diarrhetic shellfish poisoning is a worldwide threat to ...
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Masias, Daisy; Gómez, Kelly; Contreras, Cristóbal; Gaete, Leonardo; García, Carlos (Taylor and Francis Ltd., 2019)A rapid screening method is described for the determination of paralytic shellfish toxins (PST), in fresh marine vectors (bivalves and gastropods), at levels ranging from 0.05 to 5.0 mg STX-eq kg−1. PST are extracted from ...
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García, Carlos; Pérez, Francisco; Contreras, Cristóbal; Figueroa, Diego; Barriga, Andrés; López-Rivera, Américo; Araneda, Oscar F.; Contreras, Héctor R. (Taylor and Francis Ltd., 2015)© 2015, © 2015 Taylor & Francis. Harmful algae blooms (HABs) are the main source of marine toxins in the aquatic environment surrounding the austral fjords in Chile. Huichas Island (Aysén) has an history of HABs spanning ...
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The gonyautoxin 2/3 epimers reduces anal tone when injected in the anal sphincter of healty adults Garrido, Rogelio; Lagos, Néstor; Lattes, Karinna; García, Carlos; Azolas, Rodrigo; Bocic, Gunther; Cuneo, Aldo; Chiong, Hector; Jensen, Cristian; Henríquez, Ana; Fernández, Cristian (2004)The primary clinical symptom of Paralytic Shellfish Poisoning is acute paralytic illness produced by paralyzing toxins. Paralytic shellfish poison is formed by a mixture of phycotoxins and their toxicity is due to its ...
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García, Carlos; Oyaneder Terrazas, Javiera; Figueroa, Diego; Díaz, Carolina; Mora, Romina; Contreras, Héctor R. (Nova Science, 2017)For years, marine resources have been an important part of human development due to the high nutritional contribution they possess. Mussels sp. are the most consumed species in the world. As a result of requirements and ...
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Andrinolo, Darío; Iglesias, Verónica; García, Carlos; Lagos, Néstor (2002)Although the action of Gonyautoxins (GTXs) and Saxitoxin (STX) mechanisms is well known at the molecular level, there are still many unresolved questions associated with the intoxication syndrome in mammals. For example, ...
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Ordoñez, Carlos A.; Parra, Michael W.; Holguín, Alfonso; García, Carlos; Guzmán Rodríguez, Mónica; Padilla, Natalia; Caicedo, Yaset; Orlas, Claudia; García, Alberto; Rodríguez Holguín, Fernando; Serna, José Julián; Serna, Carlos (Corporación Editora Medica Valle, 2020)Trauma is a complex pathology that requires an experienced multidisciplinary team with an inherent quick decision-making capacity, given that a few minutes could represent a matter of life or death. These management ...