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Gene expression profile of hippocampus from offspring exposure to maternal excessive estradiol

ABSTRACT: Accumulating researches suggest that exposure to abnormal environment in the uterus causes chronic diseases in future life. High intrauterine estradiol level is a major characteristic of in vitro fertilization. Here, we explored the potential neurodevelopment harm and behavior disorder of prenatal high estradiol exposure.

ORGANISM(S): Mus musculus

PROVIDER: GSE100456 | GEO | 2017/06/27

SECONDARY ACCESSION(S): PRJNA391868

REPOSITORIES: GEO

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24 hour time course: regulation of uterine genes by estradiol in ovariectomized mice

Project description:Using microarray technology, we compared the global expression pattern of uterine RNA from ovariectomized control mice to those of ovariectomized mice treated with estradiol for various intervals between 30 minutes and 24 hours. Keywords: estrogen, uterus, genomic, mouse

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Estradiol Induced Transcriptional Profile of EAAE DNA Binding Deficient ERa Uterus

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Project description:We have determined the gene expression profile induced by 17 alpha-ethynyl estradiol (EE) in Ishikawa cells, a human uterine-derived estrogen-sensitive cell line, at various doses (1 pM, 100 pM, 10 nM, and 1 microM) and time points (8, 24, and 48 h). The transcript profiles were compared between treatment groups and controls (vehicle-treated) using high-density oligonucleotide arrays to determine the expression level of approximately 38,500 human genes. By trend analysis, we determined that the expression of 2560 genes was modified by exposure to EE in a dose- and time-dependent manner (p </= 0.0001). The annotation available for the genes affected indicates that EE exposure results in changes in multiple molecular pathways affecting various biological processes, particularly associated with development, morphogenesis, organogenesis, cell proliferation, cell organization, and biogenesis. All of these processes are also affected by estrogen exposure in the uterus of the rat. Comparison of the response to EE in both the rat uterus and the Ishikawa cells showed that 71 genes are regulated in a similar manner in vivo as well as in vitro. Further, some of the genes that show a robust response to estrogen exposure in Ishikawa cells are well known to be estrogen responsive, in various in vivo studies, such as PGR, MMP7, IGFBP3, IGFBP5, SOX4, MYC, EGR1, FOS, CKB, and CCND2, among others. These results indicate that transcript profiling can serve as a viable tool to select reliable in vitro systems to evaluate potential estrogenic activities of target chemicals and to identify genes that are relevant for the estrogen response.

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Transcription profiling of rat uterus after exposure to 17 alpha-ethynyl estradiol for different lengths of time

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