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GSE36169
Homo sapiens
10 Downloadable Samples
Affymetrix Human Genome U133A Array (hgu133a)
Description
Testosterone is necessary for the development of male pattern baldness, known as androgenetic alopecia (AGA); yet the mechanisms for decreased hair growth in this disorder are unclear. Here, we show that prostaglandin D2 synthase (PTGDS) is elevated at the mRNA and protein levels in bald scalp compared to haired scalp of men with AGA. The product of PTGDS enzyme activity, prostaglandin D2 (PGD2), is similarly elevated in bald scalp. During normal follicle cycling in mice Ptgds and PGD2 levels increase immediately preceding the regression phase, suggesting an inhibitory effect on hair growth. We show that PGD2 inhibits hair growth in explanted human hair follicles and when applied topically to mice. Hair growth inhibition requires the PGD2 receptor G protein-coupled receptor 44 (GPR44), but not the prostaglandin D2 receptor 1(PTGDR). Furthermore, we find that a transgenic mouse, K14-Ptgs2, which targets prostaglandin-endoperoxide synthase 2 expression to the skin, demonstrates elevated levels of PGD2 in the skin and develops alopecia, follicular miniaturization and sebaceous gland hyperplasia, which are all hallmarks of human AGA. These results define PGD2 as an inhibitor of hair growth in AGA and suggest the PGD2-GPR44 pathway as a potential target for treatment.
Publication Title
Prostaglandin D2 inhibits hair growth and is elevated in bald scalp of men with androgenetic alopecia.
Sample Metadata Fields
Specimen part, Subject
View Samples- Homo sapiens
- 77 Downloadable Samples
- Affymetrix Human Exon 1.0 ST Array [probe set (exon) version (huex10st)
Description
These colorectal cancer (CRC) samples have been analyzed by exon expression profiling to identify genes with overexpression of 3 parts. By characterizing underlying transcript structures of such genes with a combination of rapid amplification of cDNA ends and deep-sequencing (RACE-seq), we identify and describe novel RNA-variants in CRC.
Publication Title
Novel RNA variants in colorectal cancers.
Sample Metadata Fields
Specimen part
View Samples- Mus musculus
- 40 Downloadable Samples
Illumina HiSeq 2500
Description
We performed an RNA Sequencing experiment on dorsal hippocampal tissue from six groups of animals: Aging (18-20-month-old) HDAC3flox/flox homecage (H3F-HC); Aging (18-20-month-old) HDAC3flox/flox 60min post training (H3F-BV); Aging (18-20-month-old) wildtype homecage (OWT-HC); Aging (18-20-month-old) wildtype 60min post training (OWT-BV); Young (2-4-month-old) wildtype homecage (YWT-HC); Young (2-4-month-old) wildtype 60min post training (YWT-BV). Homecage animals were sacrificed directly from the animal's cage. Behavior animals were sacrificed sixty minutes following a 10min Object Location Memory training session. Overall design: The objective of this study was to examine activity regulated gene expression in the dorsal hippocampus following a learning event in young (~3-m.o.) and old (~18-m.o.) wildtype and HDAC3flox/flox mutant mice. HDAC3 was deleted in dorsal hippocampus tissue of HDAC3flox/flox mice using AAV-CaMKII-Cre before behavior.
Publication Title
Epigenetic regulation of the circadian gene Per1 contributes to age-related changes in hippocampal memory.
Sample Metadata Fields
Cell line, Subject, Time
View Samples- Homo sapiens
- 12 Downloadable Samples
- Affymetrix Genome-Wide Human SNP 6.0 Array (genomewidesnp6), Affymetrix Human Genome U133 Plus 2.0 Array (hgu133plus2)
Description
This SuperSeries is composed of the SubSeries listed below.
Publication Title
Generation of isogenic pluripotent stem cells differing exclusively at two early onset Parkinson point mutations.
Sample Metadata Fields
Specimen part
View Samples- Homo sapiens
- 12 Downloadable Samples
- Affymetrix Human Genome U133 Plus 2.0 Array (hgu133plus2)
Description
Patient-specific induced pluripotent stem cells (iPSCs) derived from somatic cells provide a unique tool for the study of human disease in disease relevant cells, as well as a promising source for cell replacement therapies for degenerative diseases. However one of the crucial limitations before realizing the full promise of this disease in a dish approach has been the inability to do controlled experiments under genetically defined conditions. This is particularly relevant for disorders with long latency periods, such as Parkinsons disease (PD), where in vitro phenotypes of patient-derived iPSCs are predicted to be subtle and susceptible to significant epistatic effects of genetic background variations. By combining zinc-finger nuclease (ZFN)-mediated genome editing and iPSC technology we provide a generally applicable solution to this key problem by generating isogenic pairs of disease and control human embryonic stem cells (hESCs) and hiPSCs lines that differ exclusively at a susceptibility variant for PD by modifying a single point mutation (A53T) in the -synuclein gene. The robust capability to genetically correct disease causing point mutations in patient-derived hiPSCs represents not only a significant progress for basic biomedical research but also a major advancement towards hiPSC-based cell replacement therapies using autologous cells.
Publication Title
Generation of isogenic pluripotent stem cells differing exclusively at two early onset Parkinson point mutations.
Sample Metadata Fields
Specimen part
View Samples- Mus musculus
- 12 Downloadable Samples
- Illumina HiSeq 2500
Description
We synthesized the PAX8-NFE2L2 fusion transcript and cloned it into a lentiviral vector, and used this to overexpress it in the murine prostate adenocarcinoma cell line TRAMP-C1. Overall design: We used high coverage RNA sequencing (>30 million reads per sample) to compare the expression profiles of cells expressing the PAX8-NFE2L2 fusion transcript to cells transduced with an empty vector.
Publication Title
Global analysis of somatic structural genomic alterations and their impact on gene expression in diverse human cancers.
Sample Metadata Fields
Specimen part, Cell line, Subject
View Samples- Homo sapiens
- 11 Downloadable Samples
- Illumina HumanHT-12 V3.0 expression beadchip
Description
Expression analysis of genes potentially regulated by BMPRII and beta-catenin. BMPRII has been linked as a genetic factor to the disease pulmonary arterial hypertension.
Publication Title
Disruption of PPARγ/β-catenin-mediated regulation of apelin impairs BMP-induced mouse and human pulmonary arterial EC survival.
Sample Metadata Fields
Specimen part
View Samples- Homo sapiens
- 7 Downloadable Samples
- IlluminaHiSeq2000
Description
Some of the functions and mechanisms of PPAR?-mediated regulation of vascular homeostasis have been revealed, the potential role of PPAR? in angiogenesis is obscure. In human ECs, PPAR?-deficiency was studied using siRNA strategy and RNA sequencing was utilized to reveal angiogenesis-associated targets for PPARg. Overall design: Our aim is to reveal the possible role of PPARy in angiogenesis.
Publication Title
Loss of PPARγ in endothelial cells leads to impaired angiogenesis.
Sample Metadata Fields
No sample metadata fields
View Samples- Arabidopsis thaliana
- 14 Downloadable Samples
- Affymetrix Arabidopsis ATH1 Genome Array (ath1121501)
Description
Developmental transitions can be described in terms of morphology and individual genes expression patterns, but also in terms of global transcriptional and epigenetic changes. Most of the large-scale studies of such transitions, however, have only been possible in synchronized cell culture systems. Here we generate a cell type specific transcriptome of an adult stem-cell lineage in the Arabidopsis leaf using RNA sequencing and microarrays. RNA profiles of stomatal entry, commitment, and differentiating cells, as well as of mature stomata and the entire aerial epidermis give a comprehensive view of the developmental progression.
Publication Title
Transcriptome dynamics of the stomatal lineage: birth, amplification, and termination of a self-renewing population.
Sample Metadata Fields
Specimen part
View Samples- Arabidopsis thaliana
- 14 Downloadable Samples
Affymetrix Arabidopsis ATH1 Genome Array (ath1121501)
Description
Developmental transitions can be described in terms of morphology and individual genes expression patterns, but also in terms of global transcriptional and epigenetic changes. Most of the large-scale studies of such transitions, however, have only been possible in synchronized cell culture systems. Here we generate a cell type specific transcriptome of an adult stem-cell lineage in the Arabidopsis leaf using RNA sequencing and microarrays. RNA profiles of stomatal entry, commitment, and differentiating cells, as well as of mature stomata and the entire aerial epidermis give a comprehensive view of the developmental progression.
Publication Title
Transcriptome dynamics of the stomatal lineage: birth, amplification, and termination of a self-renewing population.
Sample Metadata Fields
Specimen part
View Samples