Ontology highlight
ABSTRACT:
PROVIDER: PRJNA1061592 | ENA |
REPOSITORIES: ENA
Similar Datasets
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Project description:Xenopus tropicallis were exposed from seven-days-aged tadpoles to adult stage (one year) to benzo[a]pyrene, triclosan or a mixture of the two compounds at a weekly average concentration of 50 ng.L-1. After 12 months of exposure, 4 females by exposure conditions were used for studying liver transcriptome by RNAseq. RNA-seq libraries were sequenced on an illumina GAIIx sequencer as 75bp single reads
2019-07-20 | GSE134545 | GEO
Project description:Tris(2-chloroethyl) phosphate (TCEP) is a pervasive flame retardant that has been identified as a chemical of concern given its health effects and therefore its use has since been tightly regulated. Tris(2-chloroisopropyl) phosphate (TCIPP), an analogue of TCEP, is believed to be its replacement. However, compared to TCEP, little is known of the toxicological impacts of TCIPP. We used RNA sequencing as unbiased and sensitive tool to identify and compare effects on a transcriptome level of TCEP and TCIPP in the human hepatocellular carcinoma cell line, HepG2. We identified that compared to other flame retardants, TCEP and TCIPP had little cytotoxicity. Treatment with sub-cytotoxic concentrations of the two compounds revealed that both chemicals elicited similar effects; both compounds were found to affect genes involved in immune responses and steroid hormone biosynthesis, while also affecting xenobiotic metabolism pathways in a similar manner. Specifically for effects on immune responses, both compounds were shown to alter the expression of the receptor of the potent and pleiotropic complement component, C5a. Additionally, expression of genes encoding for effector proteins involved in the complement cascade along with other potent inflammatory regulators were found altered in response to TCEP and TCIPP, further emphasizing their potential effects on immune function. Taken together, given that TCIPP elicited similar effects compared to TCEP, and at lower concentrations, the potential health effects of TCIPP need to be further studied for a complete risk assessment of the compound.
2018-01-20 | GSE109463 | GEO
Project description:Tadpoles of the anuran species Rana pirica can undergo predator-specific morphological responses. Exposure to a predation threat by larvae of the salamander Hynobius retardatus results in formation of a bulgy body (bulgy morph) with a higher tail. Whereas, dragon fly also induced higher tail tadpole. The tadpoles revert to a normal phenotype upon removal of the larval salamander or dragon fly threat. The objective of the present study was to use Affymetrix Xenopus Genechip to profile gene expression in the tail tissue by different predation threat. Tadpoles of Rana pirica treated with larvae salamander for 8days (S1, S2, S3) or dragon fly for 8days (Y1,Y2, Y3) were analyzed with triplicate. Removal experiments were also treated with predators for 4days and then removed predators from tadpoles (-S1,-S2, -S3) or (-Y1,-Y2,-Y3). Controls were cultured for 8days without predators (C2, C3). Tails from tadpoles after 8days of each treatment were dissected for RNA extraction and gene expression analysis using Affymetrix Xenopus Genechip arrays.
2016-10-24 | E-GEOD-33250 | biostudies-arrayexpress