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Dihydrotestosterone induced changes in gene expression in immortalized human conjunctival epithelial cells

ABSTRACT: Genome-wide analysis of dihydrotestosterone (DHT) induced changes in gene expression in immortalized human conjunctival epithelial cells. Analysis of regulation of immortalized human conjunctival epithelial cells by dihydrotestosterone at gene expression level. The hypothesis tested in the present study was that the androgen-eye interaction in ocular surface epithelial cells like conjunctival cells is influenced by androgens through regulation of the expression of multiple genes. Results provide important information of the differential regulation of numerous genes in response to dihydrotestosterone incubation of immortalized human conjunctival epithelial cells.

ORGANISM(S): Homo sapiens

PROVIDER: GSE18094 | GEO | 2011/03/31

SECONDARY ACCESSION(S): PRJNA119383

REPOSITORIES: GEO

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Dihydrotestosterone induced changes in gene expression in immortalized human conjunctival epithelial cells

Project description:Genome-wide analysis of dihydrotestosterone (DHT) induced changes in gene expression in immortalized human conjunctival epithelial cells. Analysis of regulation of immortalized human conjunctival epithelial cells by dihydrotestosterone at gene expression level. The hypothesis tested in the present study was that the androgen-eye interaction in ocular surface epithelial cells like conjunctival cells is influenced by androgens through regulation of the expression of multiple genes. Results provide important information of the differential regulation of numerous genes in response to dihydrotestosterone incubation of immortalized human conjunctival epithelial cells. Total RNA was obtained from immortalized human conjunctival epithelial cells treated for 96 hours with 10 nM dihydrotestosterone (n=3) or vehicle (n=3). The RNA was then used with Illumina HumanHT-12 v3 Expression BeadChips to determine the effect of DHT on gene expression in an immortalized human conjunctival epithelial cell line developed in Dr. Rheinwald's laboratory [Rheinwald et al. MCB, 22 (14): 5157. (2002)] and charecterized in Dr. Ilene Gibson's laboratory [Gipson et al. IOVS, 44 (6): 2496. (2003)].

2011-03-31 | E-GEOD-18094 | biostudies-arrayexpress

Dihydrotestosterone induced changes in gene expression in immortalized human meibomian gland epithelial cells

2011-03-31 | GSE18091 | GEO

Dihydrotestosterone induced changes in gene expression in immortalized human meibomian gland epithelial cells

Project description:Genome-wide analysis of dihydrotestosterone (DHT) induced changes in gene expression in immortalized human meibomian gland epithelial cells. Analysis of regulation of immortalized human meibomian gland epithelial cells by dihydrotestosterone at gene expression level. The hypothesis tested in the present study was that the androgen-eye interaction in ocular surface epithelial cells like meibomian gland cells is influenced by androgens through regulation of the expression of multiple genes. Results provide important information of the differential regulation of numerous genes in response to dihydrotestosterone incubation of immortalized human meibomian gland epithelial cells. Total RNA was obtained from immortalized human meibomian gland epithelial cells treated for 72 hours with 10 nM dihydrotestosterone (n=3) or vehicle (n=3). The RNA was then used with Illumina HumanHT-12 v3 Expression BeadChips to determine the effect of DHT on gene expression in an immortalized human meibomian epithelial cell line developed in our laboratory.

2011-03-31 | E-GEOD-18091 | biostudies-arrayexpress

Dihydrotestosterone induced changes in gene expression in primary and immortalized human corneal epithelial cells

2011-03-31 | GSE18093 | GEO

Dihydrotestosterone induced changes in gene expression in primary and immortalized human corneal epithelial cells

Project description:Genome-wide analysis of dihydrotestosterone (DHT) induced changes in gene expression in primary and immortalized human corneal epithelial cells. Analysis of regulation of primary and immortalized human corneal epithelial cells by dihydrotestosterone at gene expression level. The hypothesis tested in the present study was that the androgen-eye interaction in ocular surface epithelial cells like corneal cells is influenced by androgens through regulation of the expression of multiple genes. Results provide important information of the differential regulation and comparitive analysis of numerous genes in response to dihydrotestosterone incubation in primary and immortalized human corneal epithelial cells. Total RNA was obtained from primary and immortalized human corneal epithelial cells treated for 5 days with 10 nM dihydrotestosterone (n=3) or vehicle (n=3). The RNA was then used with Illumina HumanHT-12 v3 Expression BeadChips to determine the effect of DHT on gene expression in the primary human corneal cells grown in our laboratory and the immortalized human corneal epithelial cell line developed in Dr. Rheinwald's laboratory [Rheinwald et al. MCB, 22 (14): 5157. (2002)] and charecterized in Dr. Ilene Gibson's laboratory [Gipson et al. IOVS, 44 (6): 2496. (2003)].

2011-03-31 | E-GEOD-18093 | biostudies-arrayexpress

The effects of testosterone and lipopolysaccharide on gene expression in immortalized ocular surface and adnexal cells

Project description:Immortalized human corneal, conjunctival, and meibomian gland epithelial cells were pre-treated with dihydrotesteosterone (DHT) or vehicle, then exposed to lipopolysaccharide (LPS) and ligand binding protein (LBP) or vehicle, lysed, and subjected to microarray analysis of RNA expression.

2018-03-07 | GSE111496 | GEO

Effect of 5a-dihydrotestosterone on breast cancer cell line MDA-MB-453

2011-07-11 | GSE28305 | GEO

Response of the adipose tissue transcriptome to dihydrotestosterone in mice

Project description:Androgens have been postulated to be important modulators of adipose tissue metabolism and fat cell function. In the present study, we investigated the response of male and female mice retroperitoneal adipose tissue to the non-aromatizable androgen dihydrotestosterone (DHT). Adipose tissue samples were obtained in gonadectomized (GDX) animals treated with vehicle (control group), or injected with 0.1mg DHT at 1, 3, 6, 12, 18 and 24h prior to necropsy. Transcripts which were significantly modulated were considered as androgen-responsive genes. Quantitative real-time RT-PCR was used to confirm results from the microarry analysis in a subset of 46 probe sets in male mice and 98 probe sets in female mice. Using both methods and considering peak time versus control, 74.5% and 61.2% of the modulated genes were confirmed by PCR in males and females, respectively. Four genes were significantly stimulated in a similar manner by DHT in both sexes, namely metallothionein 1 (Mt1), growth arrest and DNA-damage-inducible 45 gamma (Gadd45g), cyclin-dependent kinase inhibitor 1A (Cdkn1a), and fk506-binding protein 5 (Fkbp5). All these genes appear to be associated with a down-regulation of adipocyte differentiation/proliferation and adipogenesis. In conclusion, this study which evaluated the transcriptome response of adipose tissue to DHT in male and female mice suggests that DHT consistently modulates genes involved in the regulation of adipogenesis in retroperitoneal adipose tissue of both male and female animals. Keywords: time course

2008-08-26 | GSE9631 | GEO

SILAC-Based Proteomics of Primary Human Kidney Cells treated with Sex Hormones.

Project description:Male sex predispose to many kidney diseases. Considering that androgens exert deleterious effects in a variety of cell types within kidney, we hypothesized that dihydrotestosterone (DHT) would impair the biology of the renal tubular cell by inducing changes in the proteome. We employed stable isotope labeling with amino acids (SILAC) in an indirect spike-in fashion to accurately quantify the proteome in DHT- and 17β-estradiol (EST)-treated human proximal tubular epithelial cells (PTEC), in 4 different experiments. Of the 5043 quantified proteins, 76 were differentially regulated. Biological processes related to energy metabolism were significantly enriched among DHT-regulated proteins. SILAC ratios of 3 candidates representing glycolysis, N-acetylglucosamine metabolism and fatty acid β-oxidation, namely glucose-6-phosphate isomerase (GPI), glucosamine-6-phosphate-N-acetyltransferase 1 (GNPNAT1) and mitochondrial trifunctional protein subunit alpha (HADHA), were verified in vitro. In vivo, renal GPI and HADHA protein expression was increased in males. Furthermore, male sex was associated to higher GPI, GNPNAT1 and HADHA protein expression in diabetic Akita mice. Functional group enrichment analysis revealed a link between our DHT-regulated proteins and glycosphingolipid metabolism within the male kidney. This is the most in depth quantitative proteomic study of human primary PTEC response to sex hormone treatment. In this study we open new perspectives on how to explore the molecular mechanisms responsible for the deleterious effects of androgens in the context of kidney disease, especially diabetic nephropathy.

2017-01-17 | PXD003811 | Pride

Effect of 5a-dihydrotestosterone on breast cancer cell line MDA-MB-453

Project description:Analysis of MDA-MB-453 breast cancer cells treated with the androgen 5a-dihydrotestosterone (DHT) for 6h, 16h and 48h to define the genes that are differentially regulated in response to DHT. MDA-MB-453 breast cancer cells were treated with 5a-dihydrotestosterone (DHT) for time course, followed by RNA extraction and hybridization on Affymetrix microarrays, in order to obtain the gene expression profiles at three time points. The vehicle treated samples are used as control.

2011-07-11 | E-GEOD-28305 | biostudies-arrayexpress

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