{"refrec":{"BRefID":246488,"RR":"<b>Chevallier, O.P.; Graham, S.F.; Alonso, E.; Duffy, C.; Silke, J.; Campbell, K.; Botana, L.M.; Elliott, C.T.</b> (2015). New insights into the causes of human illness due to consumption of azaspiracid contaminated shellfish. <i>NPG Scientific Reports 5(9818)</i>: 8 pp. <a href=\"http://dx.doi.org/10.1038/srep09818\" target=\"_blank\">http://dx.doi.org/10.1038/srep09818</a>","BEntID":238186,"PublicFlag":1,"CheckedFlag":1,"wosflag":1,"vabbflag":1,"RefStringPartII":". <i>NPG Scientific Reports 5(9818)</i>: 8 pp. <a href=\"http://dx.doi.org/10.1038/srep09818\" target=\"_blank\">http://dx.doi.org/10.1038/srep09818</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Chevallier, O.P.; Graham, S.F.; Alonso, E.; Duffy, C.; Silke, J.; Campbell, K.; Botana, L.M.; Elliott, C.T.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Chevallier, O.P. <i>et al.</i>","Englishabstract":"Azaspiracid (AZA) poisoning was unknown until 1995 when shellfish harvested in Ireland caused illness manifesting by vomiting and diarrhoea. Further <i>in vivo/vitro</i> studies showed neurotoxicity linked with AZA exposure. However, the biological target of the toxin which will help explain such potent neurological activity is still unknown. A region of Irish coastline was selected and shellfish were sampled and tested for AZA using mass spectrometry. An outbreak was identified in 2010 and samples collected before and after the contamination episode were compared for their metabolite profile using high resolution mass spectrometry. Twenty eight ions were identified at higher concentration in the contaminated samples. Stringent bioinformatic analysis revealed putative identifications for seven compounds including, glutarylcarnitine, a glutaric acid metabolite. Glutaric acid, the parent compound linked with human neurological manifestations was subjected to toxicological investigations but was found to have no specific effect on the sodium channel (as was the case with AZA). However in combination, glutaric acid (1mM) and azaspiracid (50nM) inhibited the activity of the sodium channel by over 50%. Glutaric acid was subsequently detected in all shellfish employed in the study. For the first time a viable mechanism for how AZA manifests itself as a toxin is presented.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"New insights into the causes of human illness due to consumption of azaspiracid contaminated shellfish","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2026-06-14 01:31:29.955003","timezone_type":1,"timezone":"+02:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":null,"OtherDescriptors":null,"Notes":null,"AnaPub":2015,"MonPub":null,"DateUpdate":"2018-02-13","DateCreate":"2015-05-07","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:000353897900001","VABBcode":null,"OpenAcc":1,"DOI":"10.1038/srep09818"},"refs":null,"anarec":{"AnaID":246488,"PubliDate":2015,"Pagination":"8 pp","XtraPublOfAnaID":null,"ISBN":null,"Volume":"5","Issue":"9818","BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":208093,"SerRR":"Scientific Reports (Nature Publishing Group). 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