Ontology highlight
ABSTRACT:
PROVIDER: PRJNA1083510 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| SRR28214600_1.fastq.gz | Fastqsanger.gz | |||
| SRR28214600_2.fastq.gz | Fastqsanger.gz | |||
| SRR28214601_1.fastq.gz | Fastqsanger.gz | |||
| SRR28214601_2.fastq.gz | Fastqsanger.gz | |||
| SRR28214602_1.fastq.gz | Fastqsanger.gz |
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Project description:Di (2-ethylhexyl) phthalate (DEHP) is a common plasticizer. Studies have revealed that DEHP exposure can cause liver damage. Green tea is one of the most popular beverages in China. Green tea polyphenols (GTPs) have been proven to have therapeutic effects on organ damage induced by heavy metal exposure. However, few study report on GTP relieving DEHP-induced liver damage.
2023-10-03 | GSE232128 | GEO
Project description:Role of PPARalpha in the effects of DEHP on the hepatic expression of a selection of mouse genes related to nuclear receptor signaling. Di-(2-ethylhexyl)-phthalate (DEHP), a widely used plasticizer, is detected in consumerâs body fluids. Contamination occurs through environmental and food chain sources. In mouse liver, DEHP activates the peroxisome proliferator-activated receptor alpha (PPARalpha) and regulates the expression of its target genes. Several in vitro investigations support the simultaneous recruitment of additional nuclear receptor pathways. We investigated, in vivo, the hepatic impact of low doses of DEHP on PPARalpha activation, and the putative activation of additional signalling pathways. Wild-type and PPARalpha-deficient mice were exposed to different doses of DEHP. Gene expression profiling delineated the role of PPARalpha and revealed a PPARalpha-independent regulation of several prototypic Constitutive Androstane Receptor (CAR) target genes. This finding demonstrates that CAR also represents a transcriptional regulator sensitive to phthalates. CAR-mediated effects of DEHP provide a new rationale for most endpoints of phthalates toxicity described previously, including endocrine disruption, hepatocarcinogenesis and the metabolic syndrome. Keywords: Treatment effect One-color macroarrays, 6 experimental conditions: Wild type (WT) and PPARalpha-deficient mice (PPAR) were treated with vehicle (Ctrl) or with di-(2-ethylhexyl)-phthalate (DEHP) at 20 mg/kg/day (D20) or 200 mg/kg/day (D200) for 21 days, Biological replicates: 10 for each group, One replicate per array
2010-05-22 | E-GEOD-14920 | biostudies-arrayexpress
Project description:Di-(2-ethylhexyl) phthalate (DEHP) is the most common endocrine disrupting chemical used as a plasticizer. DEHP is associated with the development of endometrium-related diseases through the induction of inflammation. The major therapeutic approaches against endometrial cancer and endometriosis involve the suppression of inflammatory response. Korean red ginseng (KRG) is a natural product with anti-inflammatory and anti-carcinogenic effects. Thus, the purpose of this study is to investigate the effects of KRG on DEHP-induced inflammatory response in endometrial cancer Ishikawa cells.
2022-07-13 | GSE154388 | GEO
Project description:Phthalates are industrial additives widely used as plasticizers. In addition to deleterious effects on male genital development, population studies have documented correlations between phthalates exposure and impacts on reproductive tract development and on the metabolic syndrome in male adults. In this study we investigated potential mechanisms underlying the impact of di-(2-ethylhexyl)-phthalate (DEHP) on adult mouse liver in vivo. A parallel analysis of hepatic transcript and metabolic profiles from adult mice exposed to varying DEHP doses was performed. Hepatic genes modulated by DEHP are predominantly PPARα targets. However, the induction of prototypic cytochrome P450 genes strongly supports the activation of additional NR pathways, including Constitutive Androstane Receptor (CAR). Integration of transcriptomic and metabonomic profiles revealed a correlation between the impacts of DEHP on genes and metabolites related to heme synthesis and on the Rev-erbα pathway that senses endogenous heme level. Keywords: Treatment effect One-color macroarrays, 4 experimental conditions: Control mice (vehicle treated), mice treated with di-(2-ethylhexyl)-phthalate (DEHP) at 30 mg/kg/day (D30), 180 mg/kg/day (D180) or 1100 mg/kg/day (D1100) for 14 days, Biological replicates: 6 controls, 4 D30, 4 D180, 5 D1100, One replicate per array
2010-05-05 | E-GEOD-14629 | biostudies-arrayexpress
Project description:In the present study, a pregnant mouse model exposed to di(2-ethylhexyl) phthalate (DEHP, one of the most common plasticizers) during primordial follicle formation was established. The single-cell transcriptome technology was applied to investigate the roles of melatonin in ovarian cells against DEHP exposure. .
2023-11-30 | GSE246030 | GEO
Project description:Characterization of Peroxisome Proliferator-Activated Receptor alpha (PPAR(alpha)) - Independent Effects of PPAR(alpha) Activators in the Rodent Liver: Di-(2-ethylhexyl) phthalate Activates the Constitutive Activated Receptor data files in this series indicate the involvement of PPAR(alpha) and CAR regulatory pathway after DEHP treatment. Keywords: gene expression/microarray
2009-10-20 | GSE18564 | GEO
Project description:Dibutyl phthalate (DBP), di-2-ethylhexyl phthalate (DEHP), and benzyl butyl phthalate (BBP) are three phthalates commonly found in consumer products, including the plastic coating of pharmaceuticals and personal care products. Folliculogenesis, a tightly regulated process occurring in the ovary, is the maturation of an immature primordial follicle to a mature antral follicle. Follicles house the oocyte and antral follicles specifically play a crucial role in ovarian steroidogenesis and ovulation. DBP, BBP, and DEHP have been associated with inhibited antral follicle growth in vitro, decreased ovulation rates in vitro, and decreased antral follicle counts in women. However, little is known about the effects of a three-phthalate mixture on antral follicles in vivo. The objective of this study was to evaluate the effects of a human relevant mixture of DBP, BBP, and DEHP on ovarian follicles through proteome profiling analysis. CD-1 female mice (60 days old) were pipet fed tocopherol stripped corn oil (vehicle control) only or a phthalate mixture (52% DBP, 36% DEHP, and 12% BBP dissolved in vehicle) which modeled human follicular fluid concentrations. The mice were treated with 32µg/kg/day (PHT Mix 32; cumulative estimate in general population) and 500µg/kg/day (PHT Mix 500; cumulative estimate in occupationally exposed individuals) for 10 consecutive days. Proteome profiling of antral follicles (>250µm) was performed via label-free tandem mass spectrometry. A total of 5,417 antral follicle proteins were identified in the three groups, of which 194 were differentially abundant between the vehicle and PHT Mix 32 group, and 136 between the vehicle and PHT Mix 500 group. Gene ontology analysis revealed that the two treatments of the phthalate mixture upregulate and downregulate distinctive processes, supporting non-monotonic effects of phthalates on the antral follicle proteome. Taken together, these results reveal that a human relevant mixture of DBP, BBP, and DEHP alters the antral follicle proteome and merits further evaluation to elucidate the molecular mechanisms by which phthalates cause negative reproductive outcomes.
2024-07-18 | PXD047061 | Pride
Project description:Di(2-ethylhexyl) phthalate (DEHP; CAS No. 117-81-7) belongs to the phthalate class of chemicals, and is commonly added to plastics for flexibility. DEHP has been identified as an index compound for group-TDI calculations owing to its extensive toxicological dataset. Humans are exposed to this ubiquitous environmental contaminant through multiple routes. DEHP has been designated as probably and possibly carcinogenic to humans based on its ability to induce rodent carcinogenicity, although the relevance of its mode of action (MoA) in humans remains unclear. The aim of this study was to investigate the carcinogenic potential of DEHP using an alternative method and explore the possible mode and mechanisms of action at the molecular level. Special attention has been paid to DEHP dissolution in cell media, leading to the use of a final concentration of 0.5% DMSO. Transcriptomics were conducted on cells treated with a cytotoxic concentration of DEHP (19.7 µg/mL) for 24 h. The aim of the microarray experiment was to analyze the molecular effects of the substance under the specific conditions of the Cell Transformation Assay protocol (BALB c/ 3T3 clone A31-1-1 CTA, according to the method validated by ECVAM, Sasaki et al., 2012), in order to provide mechanistic explanations of the test results derived from the CTA.
2024-06-17 | E-MTAB-13716 | biostudies-arrayexpress
Project description:We treated gestating female mice with vinclozolin (VZ), bisphenol A (BPA), di-(2-ethylhexyl) phthalate (DEHP), or control oil, during the time when the prospermatogonia of the exposed fetus undergo global de novo DNA methylation. Using genome-wide assays we detected changes in transcription and DNA methylation, respectively, in fetal prospermatogonia. Our results suggest that EDs exert direct epigenetic effects in the exposed fetal germ cells, but the germline corrects against deleterious effects in the subsequent generation. Pregnant mice were administered endocrine distruptors (VZ at 100 mg/kg/day, DEHP at 750 mg/kg/day, and BPA at 0.2 mg/kg/day) startin g at 12.5 days post coitum (dpc) and tissue samples were collected at 17.5 dpc.
2015-02-18 | E-GEOD-58642 | biostudies-arrayexpress
Project description:We treated gestating female mice with vinclozolin (VZ), bisphenol A (BPA), di-(2-ethylhexyl) phthalate (DEHP), or control oil, during the time when the prospermatogonia of the exposed fetus undergo global de novo DNA methylation. Using genome-wide assays we detected changes in transcription and DNA methylation, respectively, in fetal prospermatogonia. Our results suggest that EDs exert direct epigenetic effects in the exposed fetal germ cells, but the germline corrects against deleterious effects in the subsequent generation.
2015-02-18 | GSE58642 | GEO