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pmid:26484192

Toxicogenomic analysis of placenta samples from mice exposed to different doses of BPA.

Sabrina Tait · Roberta Tassinari · Francesca Maranghi · Alberto Mantovani

Genomics data · 2015 doi:10.1016/j.gdata.2015.04.004

Paper

complete

Experiment

complete

Data

partial

Analysis

complete

Execution

absent

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Toxicogenomic analysis of placenta samples from mice exposed to different doses of BPA.
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10.1016/j.gdata.2015.04.004
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Sabrina Tait
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Roberta Tassinari
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Francesca Maranghi
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Alberto Mantovani
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Genomics data
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2015
abstract
Bisphenol A (BPA), a widespread Endocrine Disrupter mainly used in food contact plastics, may induce adverse effects especially on susceptible lifestages, first of all pregnancy. The present study considered placental development as a potential target of BPA and investigated potential differences in the modes of action of two doses of BPA by a toxicogenomic approach. Pregnant CD-1 mice were administered with vehicle, 0.5 (BPA05) or 50 mg/kg (BPA50) body weight (bw)/die of BPA, from gestational day (GD) 1 to GD11. At GD12 dams were sacrificed and transcriptomic analysis was performed on placenta samples. Histological, histomorphometrical and immunohistochemical analyses were also performed to phenotypically anchor transcriptional changes associated with BPA exposure. The interpretation and description of the overall data are included in a manuscript under revision [1]. Here we describe the experimental design and the analysis performed on the gene expression data which are publicly available through the Gene Expression Omnibus (GEO) database with accession number GSE63852.
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Normalization and differential expression analysis were performed using the R Bioconductor package limma [2], [3], [4]. Arrays quality was also evaluated [5] and obtained array weights were applied to the statistical model, a simple linear model fit and moderated t-statistic, thus obtaining two lists of significant differentially expressed genes in the BPA-treated placentas at the two doses in comparison to controls.
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Arrays quality was also evaluated [5] and obtained array weights were applied to the statistical model, a simple linear model fit and moderated t-statistic, thus obtaining two lists of significant differentially expressed genes in the BPA-treated placentas at the two doses in comparison to controls.
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A total of 1220 genes were found differently expressed with a p-value < 0.01; in particular 582 were modulated by BPA05 and 701 by BPA50; only 77 genes were shared by the two groups (Fig. 2).
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A total of 1220 genes were found differently expressed with a p-value < 0.01; in particular 582 were modulated by BPA05 and 701 by BPA50; only 77 genes were shared by the two groups (Fig. 2).
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title
Toxicogenomics analysis of placenta samples from mice exposed to different doses of BPA
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