Filters
Technology
Platform
SRP187520
Drosophila melanogaster
10 Downloadable Samples
NextSeq 550, Illumina HiSeq 2500
Description
The Drosophila wing disc has been a fundamental model system for the discovery of key signaling pathways and for our understanding of developmental processes. However, a complete map of gene expression in this tissue is lacking. To obtain a complete gene expression atlas in the wing disc, we employed single-cell sequencing (scRNA-seq) and developed a new method for analyzing scRNA-seq data based on gene expression correlations rather than cell mappings. This enables us to discover 824 genes with spatially restricted expression patterns, and to compute expression maps for all genes in the wing disc. This approach identifies both known and new clusters of genes with similar expression patterns and functional relevance. As proof of concept, we characterize the previously unstudied gene CG5151 and show it regulates Wnt signaling. This novel method will enable the leveraging of scRNA-seq data for generating expression atlases of undifferentiated tissues during development. Overall design: Single cell transcriptome experiments from female wandering 3rd instar wing discs were generated: two samples using Drop-seq and one sample using the 10x genomics platform. Bulk polyA-RNA-seq experiment from the same tissue was conducted for comparison.
Publication Title
Gene expression atlas of a developing tissue by single cell expression correlation analysis.
Sample Metadata Fields
Sex, Specimen part, Subject
View Samples- Homo sapiens
- 8 Downloadable Samples
Affymetrix Human Genome U133A 2.0 Array (hgu133a2)
Description
Our previous studies have shown that C/EBP plays a critical role in human endometrial stromal decidualization. In order to identify the molecular pathways regulated by C/EBP during decidualization, we performed gene expression profiling using RNA isolated from normal and C/EBP-deficient human endometrial stromal cells. The microarray results revealed that several key regulators of stromal differentiation, such as BMP2, Wnt4, IL-11R and STAT3, operate downstream of C/EBP during decidualization. Further studies revealed that STAT3 is a direct target of C/EBP and plays an important role in cytokine signal during the decidualization process. Gene expression profiling, using STAT3-deficient HESCs, showed an extensive overlap of pathways downstream of STAT3 and C/EBP during stromal cell differentiation.
Publication Title
Regulation of human endometrial stromal proliferation and differentiation by C/EBPβ involves cyclin E-cdk2 and STAT3.
Sample Metadata Fields
Specimen part
View Samples- Mus musculus
- 4 Downloadable Samples
Affymetrix Mouse Genome 430 2.0 Array (mouse4302)
Description
This SuperSeries is composed of the SubSeries listed below.
Publication Title
Ulipristal blocks ovulation by inhibiting progesterone receptor-dependent pathways intrinsic to the ovary.
Sample Metadata Fields
Specimen part, Treatment
View Samples- Mus musculus
- 2 Downloadable Samples
- Affymetrix Mouse Genome 430 2.0 Array (mouse4302)
Description
Ulipristal acetate (UPA), also referred to as VA/CDB-2914, is a new and promising emergency contraceptive. It is a selective progesterone receptor modulator (SPRM) that has been approved in Europe and the USA for emergency contraception.
Publication Title
Ulipristal blocks ovulation by inhibiting progesterone receptor-dependent pathways intrinsic to the ovary.
Sample Metadata Fields
Specimen part, Treatment
View Samples- Mus musculus
- 2 Downloadable Samples
- Affymetrix Mouse Genome 430 2.0 Array (mouse4302)
Description
Previous studies have shown that PR is a critical regulator of ovulation. The PR-null mice (PRKO) failed to ovulate due to a failure in the rupture of the preovulatory follicles.
Publication Title
Ulipristal blocks ovulation by inhibiting progesterone receptor-dependent pathways intrinsic to the ovary.
Sample Metadata Fields
Specimen part
View Samples- Homo sapiens
- 10 Downloadable Samples
- Affymetrix Human Genome U133A 2.0 Array (hgu133a2)
Description
gene expression at 6h of differentiation of Human endometrial stromal cell expressing either or both of PRA and PRB
Publication Title
Roles of progesterone receptor A and B isoforms during human endometrial decidualization.
Sample Metadata Fields
Specimen part, Treatment
View Samples- Homo sapiens
- 6 Downloadable Samples
- Affymetrix Human Genome U133A 2.0 Array (hgu133a2)
Description
Estrogen and progesterone are important regulators of human endometrial differentiation. These steroid hormones act, at least in part, through their nucelar receptors. Role of estrogen receptor alpha (ESR1) during human endometrial differentiation is still unclear.
Publication Title
Roles of Estrogen Receptor-α and the Coactivator MED1 During Human Endometrial Decidualization.
Sample Metadata Fields
Specimen part
View Samples- Mus musculus
- 4 Downloadable Samples
- Affymetrix Mouse Genome 430 2.0 Array (mouse4302)
Description
The etiology of ovarian cancer is poorly understood, mainly due to the lack of an appropriate experimental model for studying the onset and progression of this disease. We have created a mouse model termed ERalpha d/d in which a conditional deletion of estrogen receptor alpha (ERalpha) gene occurred in the anterior pituitary, but ERalpha expression remained intact in the hypothalamus and the ovary. The loss of negative-feedback regulation by estrogen (E) at the level of the pituitary led to elevated production of luteinizing hormone (LH) by this tissue. Hyperstimulation of ovarian cells by LH resulted in increased steroidogenesis, leading to high circulating levels of progesterone, testosterone and E. The ERalpha d/d mice exhibited formation of palpable ovarian epithelial tumors starting at 5 months of age, and by 12 months, most mice carrying these tumors died. Besides proliferating epithelial cells, these tumors also contained an expanded population of stromal cells, which express P450 aromatase suggesting that these cells acquired the ability to synthesize E. In ERalpha d/d mice, in response to the E produced by the stromal cells, the ERalpha signaling is accentuated in the ovarian epithelial cells, triggering increased ERalpha-dependent gene expression, abnormal cell proliferation, and tumorigenesis. The ERalpha d/d animal model of ovarian epithelial tumorigenesis will serve as a powerful tool for exploring the involvement of E-dependent signaling pathways in the etiology of ovarian cancer.
Publication Title
Dysregulated estrogen receptor signaling in the hypothalamic-pituitary-ovarian axis leads to ovarian epithelial tumorigenesis in mice.
Sample Metadata Fields
Sex, Age, Specimen part
View Samples- Mus musculus
- 2 Downloadable Samples
- Affymetrix Mouse Genome 430A 2.0 Array (mouse430a2)
Description
Placenta development involves complex molecular and cellular interactions between the maternal endometrium and the developing embryo, however, it is not clear what are the precise mechanisms regulating this maternal-fetal crosstalk. Using genetic and cell biological approaches, we have demonstrated that Ras-related C3 botulinum toxin substrate 1 (Rac1), a maternal factor expressed in decidual cells and is markedly elevated in mouse decidua on days 7 and 8 of gestation, regulates the secretory pathways that mediate stromal-endothelial and stromal-trophoblast crosstalk within a narrow temporal window during placenta development.
Publication Title
Rac1 Regulates Endometrial Secretory Function to Control Placental Development.
Sample Metadata Fields
Specimen part
View Samples- Mus musculus
- 2 Downloadable Samples
- Affymetrix Murine Genome U74A Version 2 Array (mgu74av2)
Description
To gain insights into the genes whose expression levels are altered during stromal cell differentiation (decidualization), gene microarray profiling was performed following the experimentally induced decidualization protocol.
Publication Title
Rac1 Regulates Endometrial Secretory Function to Control Placental Development.
Sample Metadata Fields
Sex, Specimen part, Treatment
View Samples