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Expression data of Participants of Ornish intervention and Control group

ABSTRACT: Intensive lifestyle modification is believed to mediate cardiovascular disease (CVD) risk through traditional pathways that affect endothelial function and progression of atherosclerosis; however, the extent, persistence, and clinical significance of molecular change during lifestyle modification are not well known. Our study reveals that gene expression signatures are significantly modulated by rigorous lifestyle behaviors and track with CVD risk profiles over time.

ORGANISM(S): Homo sapiens

PROVIDER: GSE46097 | GEO | 2014/02/24

SECONDARY ACCESSION(S): PRJNA197271

REPOSITORIES: GEO

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Expression data of Participants of Ornish intervention and Control group

Project description:Intensive lifestyle modification is believed to mediate cardiovascular disease (CVD) risk through traditional pathways that affect endothelial function and progression of atherosclerosis; however, the extent, persistence, and clinical significance of molecular change during lifestyle modification are not well known. Our study reveals that gene expression signatures are significantly modulated by rigorous lifestyle behaviors and track with CVD risk profiles over time. We examined the impact of a rigorous CVD risk reduction program on peripheral blood gene expression profiles in 63 participants and 63 matched controls to characterize molecular response to lifestyle modification and identify regulatory pathways important to cardiovascular health.

2014-02-24 | E-GEOD-46097 | biostudies-arrayexpress

Imporatance of substantial weight loss for altering gene expression during intensive cardiovascular lifestyle modification

Project description:The objective of this study was to examine relationships between weight loss through changes in lifestyle and peripheral blood gene expression profiles. Substantial weight loss (-15.2+3.8%) in lifestyle participants was associated with improvement in selected cardiovascular risk factors and significant changes in peripheral blood gene expression from pre- to post-intervention: 132 unique genes showed significant expression changes related to immune function and inflammatory responses involving endothelial activation. In contrast, participants losing minimal weight (-3.1+2.5%) showed only minor changes in cardiovascular risk factors and markers of inflammation, and no changes in gene expression compared to non-intervention controls after 1 year. Weight loss (>10%) during lifestyle modification is associated with down-regulation of genetic pathways governing interactions between circulating immune cells and the vascular endothelium and may be required to successfully reduce CVD risk. A prospective nonrandomized trail was conducted over 1 year in participants undergoing intensive lifestyle modification to reverse or stabilize progression of coronary artery disease. Cardiovascular risk factors, inflammatory biomarkers, and gene expression as a function of weight loss were assessed in 89 lifestyle participants and 71 retrospectively matched controls undergoing usual care.

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Project description:The GEMINAL Study- Gene Expression Modulation by Intervention with Nutrition and Lifestyle We conducted a pilot study to examine changes in gene expression in men diagnosed with low risk prostate cancer who participated in an intensive nutrition and lifestyle intervention. We profiled gene expression in morphologically normal tissues from prostate biopsies of all 30 participants before and after the intervention. Keywords: Differential gene expression analysis Pre-intervention versus Post-Intervention

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Changes in Prostate Gene Expression in a Cohort Undergoing an Intensive Nutrition and Lifestyle Intervention

2008-03-01 | GSE10306 | GEO

Imporatance of substantial weight loss for altering gene expression during intensive cardiovascular lifestyle modification

2015-02-21 | GSE66175 | GEO

Homo sapiens

Project description:Imporatance of substantial weight loss for altering gene expression during intensive cardiovascular lifestyle modification

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Worksite-based intensive lifestyle therapy has profound cardiometabolic benefits in people with obesity and type 2 diabetes

Project description:Weight loss and physical activity are the cornerstones of therapy for type 2 diabetes. However, providing an effective lifestyle intervention is difficult because of limited availability of reliable programs, patient inconvenience, and cost. A worksite setting provides a unique opportunity for lifestyle therapy because it reduces these barriers. We conducted an 8-month randomized controlled trial in persons with obesity and diabetes to determine the therapeutic effects and potential mechanisms of intensive-lifestyle-therapy (energy restriction and supervised exercise training) conducted at the worksite. Intensive-lifestyle-therapy resulted in marked (17%) weight loss, associated with beneficial changes in body composition, cardiorespiratory fitness, muscle strength, glycemic control, β-cell function and insulin sensitivity in the liver, adipose tissue, and skeletal muscle, despite a decrease in diabetes medication use. These beneficial effects were associated with changes in skeletal muscle (increased metabolite content and expression of genes involved in NAD biosynthesis, sirtuin signaling, and mitochondrial biogenesis and function), adipose tissue (decreased expression of genes involved in extracellular matrix remodeling), and a major plasma mediator of insulin resistance (decreased plasma PAI-1). These findings demonstrate that effective intensive-lifestyle-therapy can be implemented at the worksite, and has profound therapeutic, clinical, physiological, and cellular effects in people with obesity and type 2 diabetes.

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Quantitative proteomic analysis of human serum using tandem mass tags to predict cardiovascular risks in patients with psoriasis

Project description:Although biomarker candidates associated with psoriasis have been suggested, those for predicting the risk of cardiovascular disease (CVD) early in patients with psoriasis are lacking. We aimed to identify candidate biomarkers that can predict the occurrence of CVD in psoriasis patients. We pursued quantitative proteomic analysis of serum samples composed of three groups: psoriasis patients with and those without CVD risk factors, and healthy controls. Age/Sex-matched serum samples were selected and labeled with 16-plex tandem mass tag (TMT) and analyzed using liquid chromatography-mass spectrometry and subsequent verification with ELISA. Of the 184 proteins that showed statistical significance (P-value <0.05) among the three groups according to TMT-based quantitative analysis, 98 proteins showed significant differences (>2.0-fold) between the psoriasis groups with and without CVD risk factors. Verification by ELISA revealed that caldesmon (CALD1), myeloid cell nuclear differentiation antigen (MNDA), and zyxin (ZYX) levels were significantly increased in the psoriasis group with CVD risk factors. Further network analysis identified pathways including integrin signaling, which could be related to platelet aggregation, and actin cytoskeleton signaling. Three novel candidates (MNDA, ZYX, and CALD1) could be potential biomarkers for predicting CVD risks in psoriasis patients. We expect these biomarker candidates can be used to predict CVD risk in psoriasis patients in clinical settings although further studies including large validation are needed.

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DNA-methylation profiling of monocyte genomic DNAs collected from participants of Diabetes Control and Complications Trial/Epidemiology of Diabetes Interventions and Complications (DCCT/EDIC) study

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2016-05-15 | E-GEOD-76170 | biostudies-arrayexpress

Lifestyle Intervention Among Participants of the French Colorectal Cancer Screening Program

Project description:The investigators propose a randomized controlled trial to develop and evaluate the impact of promoting advice on diet and lifestyle recommendations for cancer prevention at colorectal cancer screening among individuals who may be at higher risk for colorectal cancer (CRC). The specific objectives of this study are to 1) develop a lifestyle intervention based on evidenced-based diet and lifestyle recommendations (i.e. those proposed by the World Cancer Research Fund (WCRF) and the French National Cancer Institute); 2) evaluate the effect of the intervention on the adherence to the target diet and lifestyle recommendations as well as other subjective health measures, including quality of life; 3) evaluate the effect of the intervention on biological pathways linked to colorectal cancer development including physical fitness, anthropometrics, biomarkers for nutrition, and metabolic health.

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