The role of metallothionein and selenium in metal detoxification in the liver of deep-sea fish from the NW Mediterranean Sea

The role of metallothionein and selenium in metal detoxification in the liver of deep-sea fish from the NW Mediterranean Sea

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8 pages, 1 figure, 5 tables

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Main Authors: Siscar, R., Koenig, Samuel, Torreblanca, Amparo, Solé, Montserrat
Format: artículo biblioteca
Language:English
Published: Elsevier 2014-01
Subjects:Liver, Deep-sea fish, Metallothionein, Selenium, Zinc, Metal detoxification,
Online Access:http://hdl.handle.net/10261/90280
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spelling dig-icm-es-10261-902802020-12-09T17:46:03Z The role of metallothionein and selenium in metal detoxification in the liver of deep-sea fish from the NW Mediterranean Sea Siscar, R. Koenig, Samuel Torreblanca, Amparo Solé, Montserrat Liver Deep-sea fish Metallothionein Selenium Zinc Metal detoxification 8 pages, 1 figure, 5 tables Seven deep-sea fish species were sampled in the Blanes Canyon area (NW Mediterranean) at a depth of 1200. m during winter. The concentrations of nine metals were determined in the liver of these species by ICP-MS. Furthermore, the metal detoxification potential was determined for each species by analysing the hepatic metallothionein (MT) content, relations between metals and the molar ratio between MT and/or selected metals. The potential effect of metal content on their physiology was assessed using general stress markers such as the enzyme activities of acetylcholinesterase (AChE) and lactate dehydrogenase (LDH) in muscle. Levels of metals in the seven Mediterranean deep-sea fish species studied were intermediate to equivalent species of fish either from Atlantic waters or hydrothermal vents. The metal detoxification potential varied among species depending on MT, selenium (Se) or zinc (Zn) as reliable mechanisms to handle potential metal toxicity. The role of Se was especially relevant when the liver content of mercury (Hg) was higher. AChE and LDH activities did seem to be affected by metal loads and thus the activities reported would correspond to baseline activities of the selected species. © 2013 Elsevier B.V. The present studywas funded by the Spanish Science and Technology Ministry project PROMETEO (CTM2007-66316-C02-02/MAR). Samuel Koenig holds a PhD grant (AFR 08/067) from the Fonds National de la Recherche (FNR), Luxembourg Peer Reviewed 2014-01-31T13:44:58Z 2014-01-31T13:44:58Z 2014-01 2014-01-31T13:44:58Z artículo http://purl.org/coar/resource_type/c_6501 doi: 10.1016/j.scitotenv.2013.07.081 issn: 0048-9697 e-issn: 1879-1026 Science of the Total Environment 466-467: 898-905 (2014) http://hdl.handle.net/10261/90280 10.1016/j.scitotenv.2013.07.081 en https://doi.org/10.1016/j.scitotenv.2013.07.081 none Elsevier
institution ICM ES
collection DSpace
country España
countrycode ES
component Bibliográfico
access En linea
databasecode dig-icm-es
tag biblioteca
region Europa del Sur
libraryname Biblioteca del ICM España
language English
topic Liver
Deep-sea fish
Metallothionein
Selenium
Zinc
Metal detoxification
Liver
Deep-sea fish
Metallothionein
Selenium
Zinc
Metal detoxification
spellingShingle Liver
Deep-sea fish
Metallothionein
Selenium
Zinc
Metal detoxification
Liver
Deep-sea fish
Metallothionein
Selenium
Zinc
Metal detoxification
Siscar, R.
Koenig, Samuel
Torreblanca, Amparo
Solé, Montserrat
The role of metallothionein and selenium in metal detoxification in the liver of deep-sea fish from the NW Mediterranean Sea
description 8 pages, 1 figure, 5 tables
format artículo
topic_facet Liver
Deep-sea fish
Metallothionein
Selenium
Zinc
Metal detoxification
author Siscar, R.
Koenig, Samuel
Torreblanca, Amparo
Solé, Montserrat
author_facet Siscar, R.
Koenig, Samuel
Torreblanca, Amparo
Solé, Montserrat
author_sort Siscar, R.
title The role of metallothionein and selenium in metal detoxification in the liver of deep-sea fish from the NW Mediterranean Sea
title_short The role of metallothionein and selenium in metal detoxification in the liver of deep-sea fish from the NW Mediterranean Sea
title_full The role of metallothionein and selenium in metal detoxification in the liver of deep-sea fish from the NW Mediterranean Sea
title_fullStr The role of metallothionein and selenium in metal detoxification in the liver of deep-sea fish from the NW Mediterranean Sea
title_full_unstemmed The role of metallothionein and selenium in metal detoxification in the liver of deep-sea fish from the NW Mediterranean Sea
title_sort role of metallothionein and selenium in metal detoxification in the liver of deep-sea fish from the nw mediterranean sea
publisher Elsevier
publishDate 2014-01
url http://hdl.handle.net/10261/90280
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