Effects of dechlorane plus on the hepatic proteome of juvenile Chinese sturgeon (Acipenser sinensis).
Identifieur interne : 000207 ( Main/Merge ); précédent : 000206; suivant : 000208Effects of dechlorane plus on the hepatic proteome of juvenile Chinese sturgeon (Acipenser sinensis).
Auteurs : Xuefang Liang [République populaire de Chine] ; Wei Li [République populaire de Chine] ; Christopher J. Martyniuk [Canada] ; Jinmiao Zha [République populaire de Chine] ; Zijian Wang [République populaire de Chine] ; Gang Cheng [République populaire de Chine] ; John P. Giesy [République populaire de Chine]Source :
- Aquatic toxicology (Amsterdam, Netherlands) [ 1879-1514 ] ; 2014.
English descriptors
- KwdEn :
- MESH :
- chemical , toxicity : Hydrocarbons, Chlorinated, Polycyclic Compounds, Water Pollutants, Chemical.
- drug effects : Gene Expression Regulation, Liver.
- Animals, Fishes, Proteome.
Abstract
Dechlorane Plus (DP), an alternative to decabromodiphenyl ether (BDE-209), is a widely used polychlorinated flame retardant that is frequently detected in aquatic ecosystems. While the mechanisms of toxicity of BDE-209 have been well documented, less is known about the toxicity of DP. In this study, juvenile Chinese sturgeon (Acipenser sinensis) were treated with DP at doses of 1, 10, and 100mg/kg wet weight for 14 days via a single intraperitoneal injection (i.p.). After 14 days, liver proteomes of juvenile Chinese sturgeon were analyzed using two-dimensional electrophoresis (2-DE) coupled matrix-assisted laser desorption/ionization tandem time-of-flight mass spectrometry (MALDI-TOF/TOF-MS). A total of 39 protein spots were significantly altered in abundance (>2-fold) and of these proteins, 27 were successfully identified. Proteins related to the stress response that included heat shock cognate protein 70 and T-complex protein 1 were significantly increased and decreased in abundance, respectively. Moreover, Ras-related protein Rab-6B and GDP dissociation inhibitor 2, proteins that are involved in small G-protein signal cascades, were decreased in abundance 2- to 5-fold. Annexin A4, which is associated with Ca(2+) signaling pathways, was also markedly decreased by 2-fold in the liver. Pathway analysis of differentially regulated proteins revealed that DP interfered with metabolism and was associated with proteins related to apoptosis and cell differentiation. Based upon protein responses, we suggest that DP has effects on the generalized stress response, small G-protein signal cascades, Ca(2+) signaling pathway, and metabolic process, and may induce apoptosis in the liver. This study offers novel mechanistic insight into the protein responses induced in the liver with DP, an increasingly used and understudied flame retardant.
DOI: 10.1016/j.aquatox.2014.01.003
PubMed: 24463492
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Electronic address: jmzha@rcees.ac.cn.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>State Key Laboratory of Environmental Aquatic Chemistry, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085</wicri:regionArea><placeName><settlement type="city">Pékin</settlement></placeName></affiliation></author><author><name sortKey="Wang, Zijian" sort="Wang, Zijian" uniqKey="Wang Z" first="Zijian" last="Wang">Zijian Wang</name><affiliation wicri:level="1"><nlm:affiliation>State Key Laboratory of Environmental Aquatic Chemistry, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China. Electronic address: zjwang@rcees.ac.cn.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>State Key Laboratory of Environmental Aquatic Chemistry, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085</wicri:regionArea><placeName><settlement type="city">Pékin</settlement></placeName></affiliation></author><author><name sortKey="Cheng, Gang" sort="Cheng, Gang" uniqKey="Cheng G" first="Gang" last="Cheng">Gang Cheng</name><affiliation wicri:level="1"><nlm:affiliation>Key Lab for Biotechnology of National Commission for Nationalities, College of Life Science, South Central University for Nationalities, Wuhan 430074, China.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>Key Lab for Biotechnology of National Commission for Nationalities, College of Life Science, South Central University for Nationalities, Wuhan 430074</wicri:regionArea><wicri:noRegion>Wuhan 430074</wicri:noRegion></affiliation></author><author><name sortKey="Giesy, John P" sort="Giesy, John P" uniqKey="Giesy J" first="John P" last="Giesy">John P. Giesy</name><affiliation wicri:level="1"><nlm:affiliation>Department of Biomedical Veterinary Sciences and Toxicology Centre, University of Saskatchewan, Saskatoon, SK, Canada S7N 5B3; Department of Biology & Chemistry, City University of Hong Kong, 83 Tat Chee Avenue, Kowloon, Hong Kong SAR, China.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>Department of Biomedical Veterinary Sciences and Toxicology Centre, University of Saskatchewan, Saskatoon, SK, Canada S7N 5B3; Department of Biology & Chemistry, City University of Hong Kong, 83 Tat Chee Avenue, Kowloon, Hong Kong SAR</wicri:regionArea><wicri:noRegion>Hong Kong SAR</wicri:noRegion></affiliation></author></analytic><series><title level="j">Aquatic toxicology (Amsterdam, Netherlands)</title><idno type="eISSN">1879-1514</idno><imprint><date when="2014" type="published">2014</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Animals</term><term>Fishes</term><term>Gene Expression Regulation (drug effects)</term><term>Hydrocarbons, Chlorinated (toxicity)</term><term>Liver (drug effects)</term><term>Polycyclic Compounds (toxicity)</term><term>Proteome</term><term>Water Pollutants, Chemical (toxicity)</term></keywords><keywords scheme="MESH" type="chemical" qualifier="toxicity" xml:lang="en"><term>Hydrocarbons, Chlorinated</term><term>Polycyclic Compounds</term><term>Water Pollutants, Chemical</term></keywords><keywords scheme="MESH" qualifier="drug effects" xml:lang="en"><term>Gene Expression Regulation</term><term>Liver</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Animals</term><term>Fishes</term><term>Proteome</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Dechlorane Plus (DP), an alternative to decabromodiphenyl ether (BDE-209), is a widely used polychlorinated flame retardant that is frequently detected in aquatic ecosystems. While the mechanisms of toxicity of BDE-209 have been well documented, less is known about the toxicity of DP. In this study, juvenile Chinese sturgeon (Acipenser sinensis) were treated with DP at doses of 1, 10, and 100mg/kg wet weight for 14 days via a single intraperitoneal injection (i.p.). After 14 days, liver proteomes of juvenile Chinese sturgeon were analyzed using two-dimensional electrophoresis (2-DE) coupled matrix-assisted laser desorption/ionization tandem time-of-flight mass spectrometry (MALDI-TOF/TOF-MS). A total of 39 protein spots were significantly altered in abundance (>2-fold) and of these proteins, 27 were successfully identified. Proteins related to the stress response that included heat shock cognate protein 70 and T-complex protein 1 were significantly increased and decreased in abundance, respectively. Moreover, Ras-related protein Rab-6B and GDP dissociation inhibitor 2, proteins that are involved in small G-protein signal cascades, were decreased in abundance 2- to 5-fold. Annexin A4, which is associated with Ca(2+) signaling pathways, was also markedly decreased by 2-fold in the liver. Pathway analysis of differentially regulated proteins revealed that DP interfered with metabolism and was associated with proteins related to apoptosis and cell differentiation. Based upon protein responses, we suggest that DP has effects on the generalized stress response, small G-protein signal cascades, Ca(2+) signaling pathway, and metabolic process, and may induce apoptosis in the liver. This study offers novel mechanistic insight into the protein responses induced in the liver with DP, an increasingly used and understudied flame retardant.</div></front></TEI></record>Pour manipuler ce document sous Unix (Dilib)
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