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Metabolomics,Unknown,Transcriptomics,Genomics,Proteomics

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Differential gene expression in circulating leukocytes from breast cancer patients treated with Cognitive Behavioral Stress Management

ABSTRACT: Gene expression profiling was carried out on peripheral blood mononuclear cell mRNA samples collected from 53 female breast cancer patients at 6- or 12-month follow-ups in a randomized controlled trial of Cognitive Behavioral Stress Management or an active control condition. The primary research question is whether gene expression differs in patients treated with Cogntive Behavioral Stress Management vs control conditions. Gene expression profiling was carried out on peripheral blood mononuclear cell mRNA samples collected from 53 female breast cancer patients at 6- or 12-month follow-ups in a randomized controlled trial of Cognitive Behavioral Stress Management or an active control condition. The primary research question is whether gene expression differs in patients treated with Cogntive Behavioral Stress Management vs control conditions. Risk prediction

ORGANISM(S): Homo sapiens

SUBMITTER: Steve Cole

PROVIDER: E-GEOD-24079 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Differential gene expression in circulating leukocytes from breast cancer patients treated with Cognitive Behavioral Stress Management

Project description:Gene expression profiling was carried out on peripheral blood mononuclear cell mRNA samples collected from 53 female breast cancer patients at 6- or 12-month follow-ups in a randomized controlled trial of Cognitive Behavioral Stress Management or an active control condition. The primary research question is whether gene expression differs in patients treated with Cogntive Behavioral Stress Management vs control conditions.

2012-01-01 | GSE24079 | GEO

Leukocyte gene expression in depressed and non-depressed renal cell carcinoma patients

Project description:Gene expression profiling was carried out on peripheral blood mononuclear cell mRNA samples collected from renal cell carcinoma patients. The primary research question is whether gene expression differs as a function of patient's level of depression as measured by CESD score > 16. Gene expression profiling was carried out on peripheral blood mononuclear cell mRNA samples collected from renal cell carcinoma patients. The primary research question is whether gene expression differs as a function of patient's level of depression as measured by CESD score > 16.

2013-04-01 | E-GEOD-36957 | biostudies-arrayexpress

Differential gene expression in circulating leukocytes from chronically lonely individuals

Project description:Gene expression profiling was carried out on peripheral blood mononuclear cell mRNA samples collected from 93 older adults participating in the Chicago Health Aging and Social Relations Study (CHASRS). The primary research question is whether gene expression differs in participants who are chronically lonely. Keywords: Risk prediction Gene expression profiling was carried out on peripheral blood mononuclear cell mRNA samples collected from 93 older adults participating in the Chicago Health Aging and Social Relations Study (CHASRS). The primary research question is whether gene expression differs in participants who are chronically lonely.

2011-03-16 | E-GEOD-25837 | biostudies-arrayexpress

RUNX2 selectively attenuates or augments androgen-driven transcription in prostate cancer

Project description:Prostate carcinogenesis is associated with changes in androgen signaling from driving cellular differentiation to promoting oncogenic behaviors. RUNX2 binds the androgen receptor (AR), and ectopic expression of RUNX2 is linked to prostate cancer (PCa) progression. We therefore investigated genome-wide the influence of RUNX2 on androgen-induced gene expression and AR DNA binding in PCa cells. The predominant function of RUNX2 is to inhibit the androgen response, attributable in part to dissociation of AR from target genes such as the tumor suppressor NKX3-1. At a minority of AR target genes, however, AR activity persists in the presence of RUNX2. Some of these genes are co-operatively stimulated by androgen and RUNX2 signaling and are characterized by the presence of putative enhancers co-occupied by AR and RUNX2. Genes synergistically stimulated by AR and RUNX2 include the invasion-promoting transcription factor SNAI2. Indeed, co-activation of AR and RUNX2, but neither alone, stimulated PCa cell invasiveness, which was abolished by SNAI2 silencing. Accordingly, PCa biopsies most strongly stained for SNAI2 exhibit high nuclear expression of both RUNX2 and AR. The RUNX2-mediated locus-dependent modulation of AR activity in PCa opens a research avenue that may guide the development of novel diagnostic and therapeutic approaches to patient management. total RNA from C4-2B/Rx2dox cells was extracted in biological triplicates from four different conditions. Ethanol vehicle control, dox to induce RUNX2 expression, DHT to activate androgen receptor and DHT+dox combined.

2014-03-20 | E-GEOD-52627 | biostudies-arrayexpress

Selective coregulator function for different steroid receptors and restriction of steroid receptor chromatin occupancy by Hic-5 (ER)

Project description:The estrogen receptor (ER) recruits many coregulators but not as well as GR? We investigate the relationship between ER and Hic5 and identify classes of genes that respond differently when cells are induced with hormone and when Hic5 is knocked down We knock down Hic-5 (TGFB1I1) in U2OS cells using siRNA (siHic5) along with nonspecific siRNA (shNS) and assay gene expression changes at 3 different time points of hormone treatment.

2016-07-03 | E-GEOD-65378 | biostudies-arrayexpress

Selective coregulator function for different steroid receptors and restriction of steroid receptor chromatin occupancy by Hic-5 (GRÎ³)

Project description:The glucocorticoid receptor (GR) recruits many coregulators via the well characterized AF2 interaction surface in the GR ligand binding domain, but LIM domain coregulator Hic-5 binds to the relatively uncharacterized tau2 activation domain in the hinge region of GR. Requirement of Hic-5 for glucocorticoid-regulated gene expression in U2OS osteosarcoma cells was defined by Hic-5 depletion and global gene expression analysis. Hic-5 depletion had selective and dramatic effects, positive and negative, on both activation and repression of GR target genes. For some hormone-induced genes, Hic-5 facilitated recruitment of the Mediator complex and RNA polymerase II. In contrast, many genes were not regulated by hormone until Hic-5 was depleted. On these genes Hic-5 acted at a very early step of the regulatory process, preventing efficient GR binding on enhancers, chromatin remodeling, and thus preventing glucocorticoid-driven transcriptional regulation. Overall, Hic-5 has selective and diverse roles on GR target genes, functioning as coactivator on some genes and corepressor on others, and either facilitating or opposing the glucocorticoid-driven actions of GR. Hic-5 exhibits multiple mechanisms of action, either regulating GR binding to DNA and chromatin remodeling, or facilitating later steps in transcription complex assembly. We investigate the relationship between GR and Hic5 and identify classes of genes that respond differently when cells are induced with hormone and when Hic5 is knocked down We knock down Hic-5 (TGFB1I1) in U2OS cells using two different siRNA (siHic5_2 and siHic5_5) along with nonspecific siRNA (shNS) and assay gene expression changes at 4 different time points of hormone treatment. We also include non-infected control (NI) as a second control at each time point.

2016-07-03 | E-GEOD-65401 | biostudies-arrayexpress

Selective roles of p300 and CBP in androgen regulated gene expression

Project description:C4-2B prostate cancer cells were transfected with siRNA against a non-specific (NS) sequence, siRNA specifically targeting EP300, or siRNA specifically targeting CREBBP. We tested the hypothesis that their exists different subgroups of genes that are preferentially affected by p300 or CBP depletion. Cells were treated with 10nM dihydrotestosterone (DHT) for 16 hours and total RNA was extracted to check for changes in gene expression.

2011-12-15 | E-GEOD-31873 | biostudies-arrayexpress

Zbtb16 Has a Role in Brown Adipocyte Bioenergetics

Project description:Study designed to identify genes that are induced in both BAT and skeletal muscle during acute adaptive thermogenesis in mouse using gene expression microarray. Animal studies were performed under approved UCLA animal research protocols and according to guidelines established in the Guide for Care and Use of Laboratory Animals. C57BL/6J mice were maintained in 12-h light/dark conditions and fed a regular chow diet (Purina 50010, Lab Diet, USA). Cold exposure was performed as described. After euthanasia, tissues were collected and frozen until use. Total RNA was isolated from mouse tissues by extraction with TRIzol from either brown adipose tissue (BAT) or skeletal muscle (quadriceps) after exposure to cold (4 degrees C for 4 hours). The mice were of the C57BL/6J strain and were maintained in 12-h light/dark conditions and fed a laboratory chow diet that consisted of 4.5% fat, 50% carbohydrate by weight (Lab Diet, Purina 50010).

2012-08-31 | E-GEOD-40486 | biostudies-arrayexpress

Homo sapiens

Project description:Differential gene expression in circulating leukocytes from breast cancer patients treated with Cognitive Behavioral Stress Management

| PRJNA130205 | ENA

Selective enhancement and repression of glucocorticoid receptor signaling by coregulator Hic-5

Project description:The glucocorticoid receptor (GR) recruits many coregulators via the well characterized AF2 interaction surface in the GR ligand binding domain, but LIM domain coregulator Hic-5 binds to the relatively uncharacterized tau2 activation domain in the hinge region of GR. Requirement of Hic-5 for glucocorticoid-regulated gene expression in U2OS osteosarcoma cells was defined by Hic-5 depletion and global gene expression analysis. Hic-5 depletion had selective and dramatic effects, positive and negative, on both activation and repression of GR target genes. For some hormone-induced genes, Hic-5 facilitated recruitment of the Mediator complex and RNA polymerase II. In contrast, many genes were not regulated by hormone until Hic-5 was depleted. On these genes Hic-5 acted at a very early step of the regulatory process, preventing efficient GR binding on enhancers, chromatin remodeling, and thus preventing glucocorticoid-driven transcriptional regulation. Overall, Hic-5 has selective and diverse roles on GR target genes, functioning as coactivator on some genes and corepressor on others, and either facilitating or opposing the glucocorticoid-driven actions of GR. Hic-5 exhibits multiple mechanisms of action, either regulating GR binding to DNA and chromatin remodeling, or facilitating later steps in transcription complex assembly. We investigate the relationship between GR and Hic5 and identify classes of genes that respond differently when cells are induced with hormone and when Hic5 is knocked down We knock down Hic-5 (TGFB1I1) in U2OS cells using siRNA (siHic5_2) along with nonspecific siRNA (shNS) and assay gene expression changes at 4 different time points of hormone treatment. We also include non-infected control (NI) as a second control at each time point.

2014-03-21 | E-GEOD-46448 | biostudies-arrayexpress

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