Unknown,Transcriptomics,Genomics,Proteomics

Dataset Information

High intake of dietary sugar enhances bisphenol A (BPA) disruption and reveals ribosome-mediated pathways of toxicity

ABSTRACT: This SuperSeries is composed of the SubSeries listed below. Refer to individual Series

ORGANISM(S): Drosophila melanogaster

SUBMITTER: Alan Branco

PROVIDER: E-GEOD-55706 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Publications

High intake of dietary sugar enhances bisphenol A (BPA) disruption and reveals ribosome-mediated pathways of toxicity.

Branco Alan T AT Lemos Bernardo B

Genetics 20140310 1

Bisphenol A (BPA) is an organic compound to which human populations are ubiquitously exposed. Epidemiological data suggest BPA exposure might be associated with higher rates of diabetes and reproductive anomalies. Health concerns also include transgenerational consequences, but these mechanisms are crudely defined. Similarly, little is known about synergistic interactions between BPA and other substances. Here we show that acute and chronic exposure to BPA causes genome-wide modulation of severa ...[more]

PMID: 24614930

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Project description:Fly strains were obtained from the Bloomington Stock Center. The chromosomes containing the gene deletion mod(mdg4)L3101 {y[1] w[1118]; P{w[+mC]=lacW}mod(mdg4)[L3101]/TM3, Ser[1]}, HP1 {In(1)w[m4h]; Su(var)205[5]/In(2L)Cy,In(2R)Cy, Cy[1]}, mod(mdg4)G16853 {w[1118]; P{w[+mC]=EP}mod(mdg4)[G16853]/TM6C, Sb[1]}, and Jil-1Scim {y[1]; P{y[+mDint2] w[BR.E.BR]=SUPor-P}JIL-1[Scim] ry[506]} were introgressed into the genetic background y[1]; bw[1]; e[4]; ci[1] ey[R] to generate the strains Mod(mdg4)/+, Su(var)205/+ and JIL-1/+. All females used in the introgression were collected within 7 hours after eclosion. For gene expression analyses, flies were grown in incubators at 25°C, 65% of relative humidity, and constant light. Newly emerged male adults flies harboring the mutations and the Y chromosomes Yohio and Ycongo(Mod(mdg4)/+;Yohio and Mod(mdg4)/+;Ycongo, Su(var)205/+;Yohio and Su(var)205/+;Ycongo, and JIL-1/+;Yohio and JIL-1/+;Ycongo) were collected and aged for 2 days at the same rearing condition before they were flash-frozen in liquid nitrogen. Four replicas of each sample were collected and stored at -80°C. Total RNA was extracted from whole flies using TRIzol (Life Technologies). The synthesis of cDNA and its labeling with fluorescent dyes (Cy3 and Cy5) as well as hybridization reactions were carried out using 3DNA protocols and reagents (Genisphere). The genetic interaction of the Y chromosome and the mutation was studied by the following contrasts: 1) male flies Mod(mdg4)/+;Yohio versus male flies Mod(mdg4)/+;Ycongo; 2) male flies Su(var)205/+;Yohio versus male flies Su(var)205/+;Ycongo; 3) male flies JIL-1/+;Yohio versus male flies JIL-1/+;Ycongo). As reference we used the same genetic background without the mutations [+/+;Ycongo (background 2) and +/+;Yohio (background 2)]. Slides were scanned using Axon 400B scanner (Axon Instruments) and GenePix Pro 6.0 software. Foreground fluorescence of dye intensities was normalized by the Loess method in Bioconductor / Limma. Dye "swaps," loop design.

Dataset Information

High intake of dietary sugar enhances bisphenol A (BPA) disruption and reveals ribosome-mediated pathways of toxicity

Publications

High intake of dietary sugar enhances bisphenol A (BPA) disruption and reveals ribosome-mediated pathways of toxicity.

Similar Datasets

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