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Expression data from HeLa cell treated with Bisphenol S and Mono-ethylhexyl phthalate

ABSTRACT: Bisphenol S and mono-ethylhexyl phthalate are widely used in the industry of making plastic, mailing envelopes, tickets, etc. Humans are exposed to these compounds by skin contact, inhalation, and food ingestions. However, the molecular mechanisms of these compounds' adverse effects are still unclear. We address the molecular and cellular mechanisms underlying Bisphenol S and mono-ethylhexyl phthalate effects on HeLa cells. Here microarray analysis was performed to identify distinct classes of up- or down-regulated genes and their connections to the different metabolic pathways.

ORGANISM(S): Homo sapiens

PROVIDER: GSE147533 | GEO | 2020/05/27

REPOSITORIES: GEO

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Expression data from HeLa cell treated with Bisphenol S and Mono-ethylhexyl phthalate

Project description:Expression data from HeLa cell treated with Bisphenol S and Mono-ethylhexyl phthalate

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Transcriptomic effects of mono-(2-ethylhexyl) phthalate and all-trans retinoic acid in the cultured mouse fetal testes

Project description:We report the results of an RNA-seq analysis conducted as part of an experiment investigating the effects of the phthalate, mono-(2-ethylhexyl) phthalate (MEHP), and all-trans retinoic acid (ATRA) on cultured fetal mouse testes. The goal of the study was to determine whether fetal testis toxicity of MEHP is partially driven by disruption of retinoic acid signaling.

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Toxicogenomic Screen of Replacements for bis(2-ethylhexyl) phthalate (DEHP) Using the Immortalized TM4 Sertoli Cell Line

Project description:Phthalate plasticizers are being phased out of consumer products because of their endocrine disrupting properties. This has resulted in a need to find safe alternatives that can plasticize polyvinyl chloride (PVC) while being inexpensive and biodegradable. We aim to study the toxicogenomic profile of mono-(2-ethylhexyl) phthalate (MEHP, the active metabolite of bis(2-ethylhexyl) phthalate, DEHP), the commercial plasticizer 1,2-cyclohexane dicarboxylic acid diisononyl ester (DINCH), and three plasticizers in development (1,4 butanediol dibenzoate (BDB), dioctyl succinate (DOS), and dioctyl maleate (DOM)) using the immortalized TM4 Sertoli cell line. Each sample contains four biological replicates except for DOS that contains three. The control is 1.0% DMSO as this was the vehicle used to solubilize the test compounds.

2015-08-06 | E-GEOD-66812 | biostudies-arrayexpress

Transcriptomic alterations induced by physiologically relevant level of mono(2-ethylhexyl) phthalate (MEHP) in oocytes and blastocysts

Project description:Mono(2-ethylhexyl) phthalate (MEHP), the main di(2-ethylhexyl) phthalate (DEHP) metabolite, is a known reproductive toxicant. Residual levels of 20 nM MEHP have been found in follicular fluid aspirated from IVF-treated women and DEHP-treated animals. It is not yet clear whether these residual MEHP levels have any effect on the follicle-enclosed oocyte or developing embryo. To clarify this point, bovine oocytes were matured with or without 20 nM MEHP for 22 h. Microarray analysis was performed for both mature oocytes and 7-day blastocysts. A feasibility examination was performed on mature oocytes (n = 200/group) to reveal a possible direct effect on the oocyte proteomic profile. Transcriptome analysis revealed MEHP-induced alterations in the expression of 456 and 290 genes in oocytes and blastocysts, respectively. The differentially expressed genes are known to be involved in various biological pathways, such as transcription process, cytoskeleton regulation and metabolic pathway. Among these, the expression of 9 genes was impaired in both oocytes exposed to MEHP (i.e., direct effect) and blastocysts developed from those oocytes (i.e., carryover effect). In addition, 191 proteins were found to be affected by MEHP in mature oocytes. The study explores, for the first time, the risk associated with exposing oocytes to physiologically relevant MEHP concentrations to the maternal transcripts. Although it was the oocytes that were exposed to MEHP, alterations carried over to the blastocyst stage, following embryonic genome activation, implying that these embryos are of low quality.

2019-05-09 | PXD012092 | Pride

Toxicogenomic Screen of Replacements for bis(2-ethylhexyl) phthalate (DEHP) Using the Immortalized TM4 Sertoli Cell Line

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Project description:In rodent models, phthalate exposure alters both the fetal and pubertal testis, but the resulting histopathological changes are divergent. This suggests that the underlying molecular and cellular phthalate mechanism may be age-dependent. Using genome-wide expression profiling of acutely-exposed rats, the initial molecular response in pubertal rat testis following in vivo phthalate exposure was determined. For this study, postnatal day 28 rats were exposed to a single dose of 1 g/kg mono-(2-ethyl)hexyl phthalate (MEHP) and assayed at 1, 2, 3, 6, and 12 hrs thereafter using Affymetrix Rat Genome 230 2.0 Arrays. Experiment Overall Design: At each timepoint, testes from 3 treated and 3 control (corn oil gavage) were analzyed.

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Mono(2-ethylhexyl) phthalate induces transcriptomic changes in placental cells based on concentration, fetal sex, and trophoblast cell type

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SYSTEMS ANALYSIS OF THE LIVER TRANSCRIPTOME IN ADULT MALE ZEBRAFISH EXPOSED TO THE PLASTICIZER (2-ETHYLHEXYL) PHTHALATE (DEHP).

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