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accession-icon GSE81023
Cell interactions, signals and transcriptional hierarchy governing placode progenitor induction
  • organism-icon Gallus gallus
  • sample-icon 6 Downloadable Samples
  • Technology Badge Icon Affymetrix Chicken Genome Array (chicken)

Description

Cranial placodes contribute to all sense organs and sensory ganglia in the vertebrate head. Despite their diversity they originate from a common pool of Six1/Eya2+ progenitors. In a molecular screen we identify new factors upstream of the Six1/Eya2 cassette and use these to dissect the transcriptional hierarchy that controls progenitor specification. We find that although two different tissues, the lateral head mesoderm and the prechordal mesendoderm, induce placode progenitors, both initiate a common transcriptional state, but over time gradually impart regional character.

Publication Title

Cell interactions, signals and transcriptional hierarchy governing placode progenitor induction.

Sample Metadata Fields

Specimen part

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accession-icon GSE11842
Transgenerational effects of the endocrine disruptor Vinclozolin on the prostate transcriptome and adult onset disease
  • organism-icon Rattus norvegicus
  • sample-icon 8 Downloadable Samples
  • Technology Badge Icon Affymetrix Rat Genome 230 2.0 Array (rat2302)

Description

The ability of an endocrine disruptor exposure during gonadal sex determination to promote a transgenerational prostate disease phenotype was investigated in the current study.

Publication Title

Transgenerational effects of the endocrine disruptor vinclozolin on the prostate transcriptome and adult onset disease.

Sample Metadata Fields

No sample metadata fields

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accession-icon GSE69644
Microarray analysis of HK-2 cells treated with cisplatin
  • organism-icon Homo sapiens
  • sample-icon 6 Downloadable Samples
  • Technology Badge Icon Affymetrix Human Genome U219 Array (hgu219)

Description

Chemotherapeutic use of cisplatin is limited by its severe side effects. In this study, we demonstrated that cisplatin induces cell death in a proximal tubular cell line by suppressing glycolysis- and tricarboxylic acid (TCA)/mitochondria-related genes. HK-2 cells were cultured to confluence in 100mm dishes. Total RNA was extracted (QIAGEN, Valencia, CA, USA), and the concentration in the samples was measured using a Micro UV-Vis fluorescence spectrophotometer (Malcom, Tokyo, JAPAN). Sample of 10g of Total RNA from HK-2 cells were labeled with biotin (3'IVT Labeling Kit, Affymetrix, USA) and hybridized (GeneAtlas Hybridization, Wash, and Stain Kit for 3' IVT Arrays, Affymetrix).

Publication Title

Mechanism of Cisplatin-Induced Cytotoxicity Is Correlated to Impaired Metabolism Due to Mitochondrial ROS Generation.

Sample Metadata Fields

Specimen part, Cell line, Treatment

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accession-icon GSE10919
Transgenerational epigenetic programming of the embryonic testis transcriptome
  • organism-icon Rattus norvegicus
  • sample-icon 12 Downloadable Samples
  • Technology Badge Icon Affymetrix Rat Genome 230 2.0 Array (rat2302)

Description

Embryonic exposure to the endocrine disruptor vinclozolin during gonadal sex determination appears to promote an epigenetic reprogramming of the male germ line that is associated with transgenerational adult-onset disease states. Transgenerational effects on the embryonic day 16 (E16) testis demonstrated reproducible changes in the testis transcriptome for multiple generations (F1-F3). The expression of 196 genes was found to be influenced, with the majority of gene expression being decreased or silenced. Dramatic changes in the gene expression of methyltransferases during gonadal sex determination were observed in the F1 and F2 vinclozolin generation (E16) embryonic testis, but the majority returned to control-generation levels by the F3 generation. The most dramatic effects were on the germ-line-associated Dnmt3A and Dnmt3L isoforms. Observations demonstrate that an embryonic exposure to vinclozolin appears to promote an epigenetic reprogramming of the male germ line that correlates with transgenerational alterations in the testis transcriptome in subsequent generations.

Publication Title

Transgenerational epigenetic programming of the embryonic testis transcriptome.

Sample Metadata Fields

No sample metadata fields

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accession-icon GSE10558
Regulation of the gonadal transcriptome during sex determination and testis morphogenesis: comparative candidate genes
  • organism-icon Rattus norvegicus
  • sample-icon 14 Downloadable Samples
  • Technology Badge Icon Affymetrix Rat Expression 230A Array (rae230a)

Description

Embryonic day 13 (E13), E14, and E16 rat testes and ovaries were used for microarray analysis, as well as E13 testis organ cultures that undergo testis morphogenesis and develop seminiferous cords in vitro. A list of 109 genes resulted from a selective analysis for genes present in male gonadal development and with a 1.5-fold change in expression between E13 and E16. Characterization of these 109 genes potentially important for testis development revealed that cytoskeletal-associated proteins, extracellular matrix factors, and signaling factors were highly represented. Throughout the developmental period (E13-E16), sex-enriched transcripts were more prevalent in the male with 34 of the 109 genes having testis-enriched expression during sex determination. In ovaries, the total number of transcripts with a 1.5-fold change in expression between E13 and E16 was similar to the testis, but none of those genes were both ovary enriched and regulated during the developmental period. Genes conserved in sex determination were identified by comparing changing transcripts in the rat analysis herein, to transcripts altered in previously published mouse studies of gonadal sex determination. A comparison of changing mouse and rat transcripts identified 43 genes with species conservation in sex determination and testis development. Profiles of gene expression during E13-E16 rat testis and ovary development are presented and candidate genes for involvement in sex determination and testis differentiation are identified. Analysis of cellular pathways did not reveal any specific pathways involving multiple candidate genes. However, the genes and gene network identified influence numerous cellular processes with cellular differentiation, proliferation, focal contact, RNA localization, and development being predominant.

Publication Title

Regulation of the gonadal transcriptome during sex determination and testis morphogenesis: comparative candidate genes.

Sample Metadata Fields

No sample metadata fields

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accession-icon GSE14269
Transgenerational epigenetic programming of the brain transcriptome and anxiety behavior
  • organism-icon Rattus norvegicus
  • sample-icon 20 Downloadable Samples
  • Technology Badge Icon Affymetrix Rat Genome 230 2.0 Array (rat2302)

Description

Embryonic exposure to the endocrine disruptor vinclozolin during gonadal sex determination promotes an epigenetic reprogramming of the male germ-line that is associated with transgenerational adult onset disease states. Further analysis of this transgenerational phenotype on the brain demonstrated reproducible changes in the brain transcriptome three generations (F3) removed from the exposure. The transgenerational alterations in the male and female brain transcriptomes were distinct. In the males, the expression of 92 genes in the hippocampus and 276 genes in the amygdala were transgenerationally altered. In the females, the expression of 1,301 genes in the hippocampus and 172 genes in the amygdala were transgenerationally altered. Analysis of specific gene sets demonstrated that several brain signaling pathways were influenced including those involved in axon guidance and long-term potentiation. An investigation of behavior demonstrated that the vinclozolin F3 generation males had a decrease in anxiety-like behavior, while the females had an increase in anxiety-like behavior. These observations demonstrate that an embryonic exposure to an environmental compound appears to promote a reprogramming of brain development that correlates with transgenerational sex-specific alterations in the brain transcriptomes and behavior. Observations are discussed in regards to environmental and transgenerational influences on the etiology of brain disease.

Publication Title

Transgenerational epigenetic programming of the brain transcriptome and anxiety behavior.

Sample Metadata Fields

No sample metadata fields

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accession-icon GSE20245
Alterations in the developing testis transcriptome following embryonic vinclozolin exposure
  • organism-icon Rattus norvegicus
  • sample-icon 20 Downloadable Samples
  • Technology Badge Icon Affymetrix Rat Genome 230 2.0 Array (rat2302)

Description

The current study investigates the direct effects of in utero vinclozolin exposure on the developing rat testis transcriptome. Vinclozolin is a commonly used fungicide in agriculture and is an endocrine disruptor with anti-androgenic activity. Previous studies have demonstrated that exposure to vinclozolin during embryonic gonadal sex determination induces epigenetic modifications of the germ line and transgenerational adult onset disease states that include spermatogenic cell defects, prostate disease, kidney disease, and tumor development. An investigation of the molecular actions of vinclozolin was initiated through an analysis of direct actions on the F1 generation embryonic testis development. Microarray analyses were performed to compare control and vinclozolin treated testis transcriptomes at embryonic day 13, 14 and 16. A total of 576 differentially expressed genes were identified and the major cellular functions and pathways associated with these altered transcripts were examined. The sets of regulated genes at the different development periods were found to be transiently altered and distinct. Interestingly, genes previously shown to be regulated during normal male sex determination were not altered by vinclozolin treatment. Categorization by major known functions of all 576 genes altered by in utero vinclozolin exposure demonstrates transcription, signaling, cytoskeletal and extra cellular matrix associated transcripts are highly represented. Specific cellular process and pathway analyses suggest the involvement of Wnt and calcium signaling, vascular development and epigenetic mechanisms as potential mediators of the direct F1 generation actions of vinclozolin.

Publication Title

Alterations in the developing testis transcriptome following embryonic vinclozolin exposure.

Sample Metadata Fields

Sex, Specimen part

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accession-icon SRP133209
Developmental origins define epigenomic differences between subcutaneous and visceral adipocytes [RNA_seq_Whole]
  • organism-icon Homo sapiens
  • sample-icon 36 Downloadable Samples
  • Technology Badge IconIllumina HiSeq 2500

Description

To understand the molecular differences between adipocytes and their contribution to cell-type specific function, we comprehensively characterised the transcriptomes and DNA methylomes using WGBS of isolated adipocytes from the SAT and VAT from normal weight individuals Overall design: WGBS, RNA-seq, and microarrays were used to study epigenetics and transcriptomics human cancer isolated subcutaneous (abdominal - SA) and vieceral (omental - VA) adipocyte, peripheral blood leukocytes (PBL) and visceral adipose tissue (VAT).

Publication Title

Methylome and transcriptome maps of human visceral and subcutaneous adipocytes reveal key epigenetic differences at developmental genes.

Sample Metadata Fields

Sex, Specimen part, Subject

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accession-icon SRP133095
Developmental origins define epigenomic differences between subcutaneous and visceral adipocytes [RNA-Seq]
  • organism-icon Homo sapiens
  • sample-icon 12 Downloadable Samples
  • Technology Badge IconIllumina HiSeq 2500

Description

To understand the molecular differences between adipocytes and their contribution to cell-type specific function, we comprehensively characterised the transcriptomes and DNA methylomes using WGBS of isolated adipocytes from the SAT and VAT from normal weight individuals Overall design: WGBS, RNA-seq, and microarrays were used to study epigenetics and transcriptomics human cancer isolated subcutaneous (abdominal - SA) and vieceral (omental - VA) adipocyte, peripheral blood leukocytes (PBL) and visceral adipose tissue (VAT).

Publication Title

Methylome and transcriptome maps of human visceral and subcutaneous adipocytes reveal key epigenetic differences at developmental genes.

Sample Metadata Fields

Sex, Specimen part, Subject

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Cite refine.bio

Casey S. Greene, Dongbo Hu, Richard W. W. Jones, Stephanie Liu, David S. Mejia, Rob Patro, Stephen R. Piccolo, Ariel Rodriguez Romero, Hirak Sarkar, Candace L. Savonen, Jaclyn N. Taroni, William E. Vauclain, Deepashree Venkatesh Prasad, Kurt G. Wheeler. refine.bio: a resource of uniformly processed publicly available gene expression datasets.
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Note that the contributor list is in alphabetical order as we prepare a manuscript for submission.

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