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Metabolomics,Unknown,Transcriptomics,Genomics,Proteomics

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Gene expression data in CD4+ and CD8+ cells in sarcoidosis patients following antimycobacterial therapy

ABSTRACT: Many chronic cutaneous diseases associated with microbial antigens demonstrate clinical progression due to T cell hyporesponsiveness. Appropriate antimicrobial therapy restores T cell function, leading to clinical resolution. Due to the association of sarcoidosis with mycobacterial antigens, we compared the efficacy of antimycobacterial therapy with placebo in chronic cutaneous sarcoidosis. We conducted a randomized, placebo-controlled, single-blind trial on chronic cutaneous sarcoidosis subjects. Participants received the oral CLEAR regimen: Levofloxacin 750 mg on day 1, then 500 mg daily, Ethambutol 1200 mg daily, Azithromycin 500 mg on day 1, then 250 mg daily, and Rifampin 300 mg daily, or a comparative placebo regimen, for a total of 8 weeks, with a 180 day follow-up. Participants were monitored for absolute change in lesion diameter and decrease in granulomas burden upon completion of therapy.

ORGANISM(S): Homo sapiens

SUBMITTER: Kusum Pandit

PROVIDER: E-GEOD-39606 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Gene expression data in CD4+ and CD8+ cells in sarcoidosis patients following antimycobacterial therapy

Project description:Many chronic cutaneous diseases associated with microbial antigens demonstrate clinical progression due to T cell hyporesponsiveness. Appropriate antimicrobial therapy restores T cell function, leading to clinical resolution. Due to the association of sarcoidosis with mycobacterial antigens, we compared the efficacy of antimycobacterial therapy with placebo in chronic cutaneous sarcoidosis.

2013-07-23 | GSE39606 | GEO

Whole blood gene expression from overweight women supplemented with quercetin or placebo

Project description:Flavonoids and fish oils have anti-inflammatory and immune-modulating influences. The purpose of the study was to determine if a mixed flavonoid-fish oil supplement (Q-Mix; 1000 mg quercetin, 400 mg isoquercetin, 120 mg EGCG from green tea extract, 220 mg EPA and 180 mg DHA from fish oil, 1000 mg vitamin C, 40 mg niacinamide, and 800 ug folic acid) would reduce inflammatory and oxidative stress markers and alter genomic profiles in overweight women. Women were assigned using a randomized double-blinded placebo-controlled trial to Q-Mix or placebo groups. Overnight fasted blood samples were collected and subjected to RNA expression analysis on Affymetrix Hugene ST1_1 arrays. Randomized, double-blinded, placebo controlled study.Subjects were randomized to either mixed flavonoid-fish oil supplement group (Q-Mix; 1000 mg quercetin, 400 mg isoquercetin, 120 mg EGCG from green tea extract, 400 mg n3-PUFAs (220 mg EPA and 180 mg DHA) from fish oil, 1000 mg vitamin C, 40 mg niacinamide, and 800 Âµg folic acid) or placebo (n=29 samples, including pre- and post-treatment samples in the Q-Mix and placebo arms).The placebo did not contain quercetin, vitamin C, and niacin. Subjects were instructed to ingest two soft chew supplements twice daily (upon awakening, and between 6:00-7:00 pm) for 70 days. A three-day food record was used to assess typical energy and nutrient intake. No restrictions were placed on diet, supplement usage or medications with the exception that subjects agreed to avoid any non-steroidal anti-inflammatory drugs and dietary supplements that influence inflammation or oxidative stress.

2015-11-02 | E-GEOD-74560 | biostudies-arrayexpress

Changes in miRNA expression through the course of neaodjuvant Avastin in breast cancer

Project description:Molecular responses in breast cancer tumors after treatment with antiangiogenic therapy are largely unknown. In this experiment, we have assessed the efficacy of bevacizumab in HER2 negative breast carcinomas treated with a neoadjuvant chemotherapy regimen consisting of sequential anthracycline and taxane. miRNA expression profiles of the tumors before, during and after treatment are compared to shed light on changes in miRNA profile following therapy.

2020-01-01 | E-MTAB-7634 | biostudies-arrayexpress

Transcription profiling of rat heart samples from animals with physiological or pathological cardiac hypertrophy

Project description:Dahl salt-sensitive (DS) rats were obtained from Harlan Sprague Dawley Laboratory at 5 weeks of age. At 6 weeks of age, physiologic cardiac hypertrophy was generated by a; vigorous daily exercise regimen for 6 weeks (e group). The exercise protocol is based on those described previously with modifications (Wisloff U et al., 2001; Jin H et al., 1994). Rats were exercised daily for 6 weeks on a rodent treadmill (Exer-6M; Columbus Instruments). The exercise program consisted of three weeks of progressively strenuous exercise regimens; followed by three weeks of maintenance period, during which the rats were exercised at 16 m/min at a 5o incline for 90 minutes/day. All rats completed the exercise protocol. Pathological cardiac hypertrophy was generated by feeding a 6% NaCl diet to DS rats at 6 weeks of age (h group) (Inoko M et al., 1994). Control rats (c group) were age matched and sedentary DS rats fed normal rat chow. Read more at http://cardiogenomics.med.harvard.edu/groups/proj1/pages/rat_home.html<br><br>Note that files GSM11886.txt and GSM12308.txt, and files GSM11887.txt and GSM12309.txt as downloaded from GEO contain identical data.

2007-10-11 | E-GEOD-776 | biostudies-arrayexpress

Azithromycin effects on lung microbiome in COPD patient

Project description:Azithromycin (AZM) reduces pulmonary inflammation and exacerbations in chronic obstructive pulmonary disease patients with emphysema. The antimicrobial effects of AZM on the lung microbiome are not known and may contribute to its beneficial effects. Methods. Twenty smokers with emphysema were randomized to receive AZM 250 mg or placebo daily for 8 weeks. Bronchoalveolar lavage (BAL) was performed at baseline and after treatment. Measurements included: rDNA gene quantity and sequence. Results. Compared with placebo, AZM did not alter bacterial burden but reduced Î±-diversity, decreasing 11 low abundance taxa, none of which are classical pulmonary pathogens. Conclusions. AZM treatment the lung microbiome Randomized trial comparing azithromycin (AZM) treatment with placebo for eight weeks. Bronchoalveolar lavage (BAL) samples were obtained before and after treatment to explore the effects of AZM on microbiome, in the lower airways. 16S rRNA was quantified and sequenced (MiSeq) The amplicons from total 39 samples are barcoded and the barcode is provided in the metadata_complete.txt file.

2016-07-19 | E-GEOD-74396 | biostudies-arrayexpress

Molecular profiling and gene expression analysis in cutaneous sarcoidosis (CS)

Project description:Cutaneous sarcoidosis skin provides relatively non invasive access to granulomatous sarcoidosis tissue.

2011-10-13 | GSE32887 | GEO

Scleroderma and Gleevec treatment

Project description:Total RNA was extracted from skin biopsies before and after imatinib (Gleevec) treatment using Qiagen RNeasy fibrous tissue kit. RNA was amplified using the Ambion Amino Allyl MessageAmp II aRNA kit. Amplified skin RNA (labeled with Cy5) and amplified Stratagene Human Universal Reference RNA (labeled with Cy3) were competitively hybridized to HEEBO microarrays in duplicate as described (http://www.microarray.org/sfgf/heebo.do). 161a/b: Patient 1, pre-Gleevec treatment 170a/b: Patient 1, post-Gleevec treatment 215a/b: Patient 2, pre-Gleevec treatment 232a/b: Patient 2, post-Gleevec treatment A compound treatment design type is where the response to administration of a compound or chemical (including biological compounds such as hormones) is assayed. Compound Based Treatment: Treated with 100 mg Gleevec twice daily for 3 months or 200 mg Gleevec daily for 6 months Keywords: compound_treatment_design Computed

2009-03-31 | E-GEOD-11130 | biostudies-arrayexpress

scAT gene expression from women with PCOS following LC n-3 PUFA or placebo supplementation

Project description:Gene expresion profiles from the scAT following 6 week LC n-3 PUFA and 6 week placebo supplementation were compared Women with PCOS were supplemented with 4g n-3 PUFA (containing 1.8g EPA and DHA) daily for 6 weeks and changes in subcutaneous adipose tissue gene expression was compared with 6 week placebo supplementation. This was a cross-over placebo, controlled dietary intervention wherein women with PCOS received both treatments.

2014-01-03 | E-GEOD-43266 | biostudies-arrayexpress

proteome and pathway effects of chronic haoperidol treatment in mouse hippocampus

Project description:Seven male C57BL/6 mice, at 10 weeks of age, were injected daily intraperitoneally with 0.5 mg/kg of haloperidol, for 28 days. A control group of six animals was injected with vehicle only (saline).

2015-11-30 | PXD002250 | Pride

Transcription profiling of mouse small intestine following treatment with dexamethosone and DBZ

Project description:Gamma-secretase inhibitors (GSIs), which block the activation of NOTCH receptors, are being tested in the treatment of T-cell acute lymphoblastic leukemia (T-ALL). Thus far, limited antileukemic cytotoxicity and severe gastrointestinal toxicity have restricted the clinical application of these targeted drugs. Here we show that combination therapy with GSIs plus glucocorticoids can improve the antileukemic effects of GSIs and reduce their gut toxicity in vivo. Inhibition of NOTCH1 signaling in glucocorticoid-resistant T-ALL restored glucocorticoid receptor auto-up-regulation and induced apoptotic cell death through induction of BIM expression. Additionally, cotreatment with glucocorticoids induced Ccnd2 upregulation in the gut which protected mice from the intestinal secretory metaplasia typically induced by loss of NOTCH signaling. These results support a role for glucocorticoids plus GSIs in the treatment of glucocorticoid-resistant T-ALL. Experiment Overall Design: Experiments analyzing the interacition of dexamethasone and the gamma-secretase inhibitor DBZ were carried out in 6-week-old C57/Black6 female mice (Jackson Laboratory). In these studies we treated mice with vehicle (DMSO) (n=2), dexamethasone (15 mg/kg) (n=2), DBZ (10 micromol/kg) (n=2) and dexamethasone (15 mg/kg) plus DBZ (10 micromol/kg) (n=2) daily by intraperitoneal injection for 5 days. At the end of the treatment, animals were euthanized and segments of the small intestine were collected and processed for RNA extraction, histological and immunohistochemical analysis.

2009-04-10 | E-GEOD-11184 | biostudies-arrayexpress

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