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Effects of organophosphate flame retardants on Atlantic cod liver cells

ABSTRACT: Effects of organophosphate flame retardants on Atlantic cod liver cells

PROVIDER: PRJNA407769 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR6048600.fastq.gz	Fastqsanger.gz
	SRR6048610.fastq.gz	Fastqsanger.gz
	SRR6048620.fastq.gz	Fastqsanger.gz
	SRR6048601.fastq.gz	Fastqsanger.gz
	SRR6048611.fastq.gz	Fastqsanger.gz

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Effects of organophosphate flame retardants on Atlantic cod liver cells

Project description:Organophosphorous flame retardants (PFRs) were first reported in the late 1970, and today they account for approximately 20 % of the total use of flame retardants in Europe. PFRs are found ubiquitously in the environment, including remote areas stretching from the Arctic to the Antarctic. Generally, similar levels of PFRs is observed between Arctic and more rural areas. The toxicity of PFRs varies depending on their chemical structure. The World Health Organization have reported LC50 values for mammals and aquatic organisms with high variation from 4.2 to 180 mg/L or 707 to 4700 mg/kg body weight, depending on substance and test species. However, little is known about the toxicity and physiological effects of PFRs to fish, particularly in the Arctic species. Hence, the objective of this study is to determine the effects of PFR exposure on hepatic gene expression patterns in Atlantic cod (Gadus morhua) using liver explants in vitro. Liver explants were exposed to 2-Ethylhexyl diphenyl phosphate (EHDPP), tris(2-chloroisopropyl)phosphate (TCPP), and a mixture of both EHDPP and TCPP for 0, 24 and 48 hours. Samples were analyzed for gene expresson profiling using RNAseq. RNAsequening results suggest that exposure to PFRs differentially expressed genes involved in xenobiotic metabolism. We did not observe any chemical-specific effects on gene expression patterns. However, temporal changes in gene expression were observed. Most of the differentially expressed genes (DE) in 24h exposed samples are related in xenobiotic metabolism, whereas in 48h samples DE genes belong to diverse physiological processes.

2017-12-31 | GSE103954 | GEO

Atlantic Cod Early Development

Project description:Gene expression profiling of Atlantic cod (Gadus morhua) embryogenesis

2011-06-15 | E-TABM-1156 | biostudies-arrayexpress

Transcriptomic responses of human hepatocellular carcinoma cells (HepG2/C3A) to dust, flame retardants and dimethylbenzanthracene

Project description:Human HepG2/C3A cells were exposed to indoor dust reference material SRM2585; DMBA (dimethylbenzanthracene); HBCD (hexabromocyclododecane); two different mixtures of flame retardants (all dissolved in 0.1% DMSO) or 0.1% DMSO alone for 72h. RNA was prepared and labeled with Cy3 then hybridized to Agilent SurePrint G3 Human GE v2 8x60k Microarrays, Agilent design ID 039494.

2015-10-01 | E-MTAB-3324 | biostudies-arrayexpress

Transcriptome profiling of the antiviral immune response in Atlantic cod macrophages

Project description:This study was conduct to identify the virus-responsive transcripts in Atlantic cod, using viral mimic, polyriboinosinic polyribocytidylic acid (pIC)

2016-08-31 | GSE70808 | GEO

Microarray analysis of gene expression of Atlantic cod from different Baltic Sea regions

Project description:The Atlantic cod (Gadus morhua L.) is one of the most important species in the Baltic Sea with high ecological and economical value. To explore the differences in adaptation to salinity between Baltic cod from different regions, western (Kiel Bight) and eastern (Gdańsk Bay) samples were analyzed through oligonucleotide microarray.

2019-01-21 | GSE122988 | GEO

The study of Atlantic cod (Gadus morhua) spleen global gene expression response to intraperitoneal injection with formalin-killed atypical Aeromonas salmonicida.

Project description:This study was performed to validate the newly developed CGP Atlantic cod 20K oligonucleotide microarray. Atlantic cod (Gadus morhua) received an intraperitoneal injection of either formalin-killed, atypical Aeromonas salmonicida (Asal) or PBS and transcriptional profiles of spleen tissues from Asal-injected fish were compared to those from pre-injection control fish and PBS-injected control fish. Gene expression profiles resulting from this study were compared to those from suppression subtractive hybridization library studies, that were previously performed on the same samples, and to literature. Gene expression patterns of single genes were confirmed by QPCR analysis. This study has shown that the newly developed CGP Atlantic cod 20K oligo microarray platform is a valuable tool for cod genomic research.

2010-11-05 | GSE22312 | GEO

Effects of Prenatal Exposure to a Mixture of Organophosphate Flame Retardants on Placental Gene Expression and Serotonergic Innervation in the Developing Rat Brain

Project description:There is a growing need to understand the potential neurotoxicity of organophosphate ester flame retardants (OPFRs) and plasticizers because use and, consequently, human exposure, is rapidly expanding. We have previously shown in rats that developmental exposure to the commercial FR mixture Firemaster® 550 (FM 550), which contains OPFRs, results in sex-specific behavioral effects, and identified the placenta as a potential target of toxicity. The placenta is a critical coordinator of fetal growth and neurodevelopment, and a source of neurotransmitters (NTs) for the developing brain. We have shown in rats and humans that FRs accumulate in placental tissue, and induce functional changes, including altered neurotransmitter (NT) production. Here we sought to establish if OPFRs (triphenyl phosphate, TPHP, and a mixture of isopropylated triarylphosphate isomers, ITPs) alter placental function and fetal forebrain development, with disruption of tryptophan (Trp) metabolism as a primary pathway of interest. Wistar rat dams were orally exposed to OPFRs (0, 500, 1,000, or 2,000 μg/day) or a serotonin (5-HT) agonist (5-MT) for 14 days during gestation and placenta and fetal forebrain tissues collected for analysis by transcriptomics and metabolomics. Relative abundance of genes responsible for the transport and synthesis of placental 5-HT were disrupted, and multiple neuroactive metabolites in the 5-HT and kynurenine (Kyn) metabolic pathways were upregulated. Additionally, 5-HTergic projections were significantly longer in the fetal forebrains of exposed males. These findings suggest that OPFRs have the potential to impact the 5-HTergic system in the fetal forebrain by disrupting placental Trp metabolism.

2020-04-08 | GSE148266 | GEO

Quantitative proteomics of liver from PCB 153 exposed Atlantic cod

Project description:In order to investigate the underlying mechanisms of PCB 153 mediated toxicity to Atlantic cod (Gadus morhua), we analyzed the liver proteome of fish exposed to various doses of PCB 153 (0, 0.5, 2 and 8mg/kg body weight) for two weeks and examined the effects on expression of liver proteins using quantitative proteomics. Label-free mass spectrometry enabled quantification of 1272 proteins, and 78 were differentially regulated between PCB 153 treated samples and controls. Two proteins downregulated due to PCB 153 treatment, Glutathione S-transferase theta 1 (GSTT1) and sulfotransferase family protein 1 (ST2B1), were verified using selected reaction monitoring (SRM). Supported by bioinformatics analyses, we concluded that PCB 153 perturbs lipid metabolism in the Atlantic cod liver and that increased levels of lipogenic enzymes indicate increased synthesis of fatty acids and triglycerides.

2017-01-17 | PXD004362 | Pride

Effects of pollution on liver of Atlantic cod

Project description:Effects of oil pollution and persistent organic pollutants (POPs) on the glycerophospholipids in the liver of male Atlantic cod (Gadus morhua)

2012-11-01 | E-MTAB-1209 | biostudies-arrayexpress

Effects on the lipid metabolism of Atlantic cod (Gadus morhua) after in vivo exposure with Ppar agonists

Project description:Lipid metabolism is essential in maintaining energy homeostasis in multicellular organisms. In vertebrates, the peroxisome proliferator-activated receptors (PPARs, NR1C) regulate the expression of many genes involved in these processes. Four Ppar subtypes from Atlantic cod (Gadus morhua) were recently cloned and characterized. However, the downstream regulatory role of Ppars in cod lipid metabolism is presently not well understood or described. Here we study the involvement of Atlantic cod Ppar subtypes in systemic regulation of lipid metabolism using the model agonists WY14,643, GW501516, and tetradecylthioacetic acid, employing a multiple omics approach after an in vivo exposure situation.

2022-09-20 | PXD031739 | Pride

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