Listar GI - NANOTOXGEN - Artigos por autor "Méndez, Josefina"
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Assessment of Okadaic Acid Effects on Cytotoxicity, DNA Damage and DNA Repair in Human Cells
Valdiglesias, Vanessa; Méndez, Josefina; Pásaro, Eduardo; Cemeli, Eduardo; Anderson, Diana; Laffon, Blanca (Elsevier, 2010-05-26)[Abstract] Okadaic acid (OA) is a phycotoxin produced by several types of dinoflagellates causing diarrheic shellfish poisoning (DSP) in humans. Symptoms induced by DSP toxins are mainly gastrointestinal, but the intoxication ... -
Cytogenetic Effects Induced by Prestige Oil on Human Populations: The Role of Polymorphisms in Genes Involved in Metabolism and DNA Repair
Pérez-Cadahía, Beatriz; Laffon, Blanca; Valdiglesias, Vanessa; Pásaro, Eduardo; Méndez, Josefina (Elsevier, 2008-04-18)[Abstract] The spill from the oil tanker Prestige (NW Spain, November 2002) was perhaps the biggest ecological disaster that happened worldwide in the last decades. As a consequence of this catastrophe a general concern ... -
Evaluation of Okadaic Acid-Induced Genotoxicity in Human Cells Using the Micronucleus Test and γH2AX Analysis
Valdiglesias, Vanessa; Laffon, Blanca; Pásaro, Eduardo; Méndez, Josefina (Taylor and Francis, 2011-06-27)[Abstract] Marine algal blooms have become a public health concern due to increasing frequency in the environment and severity of exposure consequences. Human intoxications produced by phycotoxins occur globally through ... -
Genetic Polymorphism in Cytochrome P450 1B1 in a Spanish Population [Short Communication]
Pérez-Cadahía, Beatriz; Valdiglesias, Vanessa; Pásaro, Eduardo; Méndez, Josefina; Laffon, Blanca (Wiley, 2007-06-02) -
Identification of Differentially Expressed Genes in SHSY5Y Cells Exposed to Okadaic Acid by Suppression Subtractive Hybridization
Valdiglesias, Vanessa; Fernández-Tajes, Juan; Pásaro, Eduardo; Méndez, Josefina; Laffon, Blanca (Springer Nature, 2012-01-27)[Abstract] Background: Okadaic acid (OA), a toxin produced by several dinoflagellate species is responsible for frequent food poisonings associated to shellfish consumption. Although several studies have documented the OA ... -
Induction of Oxidative DNA Damage by the Marine Toxin Okadaic Acid Depends on Human Cell Type
Valdiglesias, Vanessa; Laffon, Blanca; Pásaro, Eduardo; Cemeli, Eduardo; Anderson, Diana; Méndez, Josefina (Elsevier, 2011-03-01)[Abstract] The marine toxin okadaic acid (OA) is the main representative of diarrhoeic shellfish poisoning (DSP) toxins. Its ingestion induces nausea, vomiting, diarrhoea and abdominal ache. It has also been found to trigger ... -
Okadaic Acid Induces Morphological Changes, Apoptosis and Cell Cycle Alterations in Different Human Cell Types
Valdiglesias, Vanessa; Laffon, Blanca; Pásaro, Eduardo; Méndez, Josefina (Royal Society of Chemistry (Gran Bretaña), 2011-03-28)[Abstract] Okadaic acid (OA) is a marine toxin produced by dinoflagellate species which is frequently accumulated in molluscs usual in the human diet. The exact action mechanism of OA has not been described yet and the ... -
The Marine Toxin Okadaic Acid Induces Alterations in the Expression Level of Cancer-Related Genes in Human Neuronal Cells
Valdiglesias, Vanessa; Fernández-Tajes, Juan; Méndez, Josefina; Pásaro, Eduardo; Laffon, Blanca (Elsevier, 2013-04-03)[Abstract] Okadaic acid (OA) is one of the most common and highly distributed marine toxins. It can be accumulated in several molluscs and other marine organisms and cause acute gastrointestinal symptoms after oral consumption ... -
The Organic Selenium Compound Selenomethionine Modulates Bleomycin-Induced DNA Damage and Repair in Human Leukocytes
Laffon, Blanca; Valdiglesias, Vanessa; Pásaro, Eduardo; Méndez, Josefina (Springer, 2009-05-08)[Abstract] The objective of this work was to evaluate the effects of selenomethionine (SeMet) on the induction, repair, and persistence of DNA damage in human leukocytes challenged with bleomycin (BLM). Comet assay was ...