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Genome-wide microarray analysis of normal human fibroblasts in response to genistein

ABSTRACT: Establishment of a transcriptomic profile of human cells treated with genistein with particular emphasis on signature of genes coding for enzymes involved in glycosaminoglycan synthesis stands for the present study. The hypothesis tested was that genistein influences expression of some genes among which are those coding for enzymes required for synthesis of different GAGs being pathologically accumulated in mucopolysaccharidoses. Results provide important information concerning the extent of action of genistein at the molecular level in terms of modulation of gene expression by this substance.

ORGANISM(S): Homo sapiens

PROVIDER: GSE34074 | GEO | 2013/01/01

SECONDARY ACCESSION(S): PRJNA149999

REPOSITORIES: GEO

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Genome-wide microarray analysis of normal human fibroblasts in response to kaemferol, daidzein, kaemferol/genistein, and daidzein/genistein

Project description:Establishment of a transcriptomic profile of human cells treated with kaemferol, daidzein, kaemferol/genistein, or daidzein/genistein with particular emphasis on signature of genes coding for enzymes involved in glycosaminoglycan synthesis stands for the present study. The hypothesis tested was that kaemferol, daidzein, kaemferol/genistein, and daidzein/genistein influence expression of some genes, among which are those coding for enzymes required for the synthesis of different GAGs being pathologically accumulated in mucopolysaccharidoses. Results provide important information concerning the extent of action of kaemferol, daidzein, kaemferol/genistein, and daidzein/genistein at the molecular level in terms of modulation of gene expression.

2013-01-24 | GSE43692 | GEO

Genome-wide microarray analysis of normal human fibroblasts in response to genistein

Project description:Establishment of a transcriptomic profile of human cells treated with genistein with particular emphasis on signature of genes coding for enzymes involved in glycosaminoglycan synthesis stands for the present study. The hypothesis tested was that genistein influences expression of some genes among which are those coding for enzymes required for synthesis of different GAGs being pathologically accumulated in mucopolysaccharidoses. Results provide important information concerning the extent of action of genistein at the molecular level in terms of modulation of gene expression by this substance. Total RNA obtained from Human Dermal Fibroblasts (HDFa) subjected to 1, 24 or 48 hours in vitro exposure to 30, 60 or 100 M-BM-5M genistein, or 0.05%DMSO (K1), compared to untreated control (K2).

2013-01-01 | E-GEOD-34074 | biostudies-arrayexpress

Genome-wide microarray analysis of normal human fibroblasts in response to kaemferol, daidzein, kaemferol/genistein, and daidzein/genistein

2013-01-24 | E-GEOD-43692 | biostudies-arrayexpress

Genome-wide microarray analysis of human fibroblasts in response to indomethacin and nimesulide.

Project description:Establishment of a transcriptomic profile of human cells treated with genistein with particular emphasis on signature of genes coding for enzymes involved in glycosaminoglycan synthesis stands for the present study. The hypothesis tested was that indomethacin and nimesulide influence expression of some genes among which are those coding for enzymes required for synthesis of different GAGs being pathologically accumulated in mucopolysaccharidoses. Results provide important information concerning the extent of action of indomethacin and nimesulide at the molecular level in terms of modulation of gene expression by these substances.

2014-12-01 | GSE63239 | GEO

Genome-wide microarray analysis of normal human keratinocytes in response to genistein

Project description:Establishment of a transcriptomic profile of human cells treated with genistein with particular emphasis on the assessment of the role of this isoflavone in regulation of expression of psoriasis-related genes stands for the present study. The hypothesis tested was that genistein modulates activity of psoriasis-related genes, by reducing the expression efficiency of genes revealing enhanced activity in psoriatic cells, and by stimulating the expression efficiency of genes revealing decreased activity in psoriatic cells. Results provide important information concerning the extent of action of genistein at the molecular level in terms of modulation of gene expression by this substance.

2016-01-01 | GSE60971 | GEO

Genome-wide microarray analysis of normal human keratinocytes in response to genistein

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Genistein treatment effects upin human prostate

Project description:Prior studies support the notion that the experimental chemopreventive agent, genistein, inhibits prostate cancer (PCa) cell movement in humans and that this in turn inhibits metastatic spread, thereby preventing PCa-specific death. As many effects have been ascribed to genistein, it has been considered a non-specific agent. However, its effects are concentration-dependent, and the vast majority of studies use concentrations greater than 3 logs above those associated with dietary consumption. Genistein is found in soy, and individuals consuming soy-based diets have blood concentrations of free genistein in the low nanomalar range. Using dosing guided by phase I pharmacokinetic studies in US men, prospective treatment of men on a phase II trial with genistein for one month prior to radical prostatectomy for localized PCa. Here we conducted an unbiased screening for effects of genistein in prostate as well as evaluate changes between normal and cancer cells.

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Genistein in Treatment of Metastatic Colorectal Cancer

Project description:Colorectal neoplasms are the third most common malignancies in the United States. Patients with metastatic (stage IV) colorectal cancer have a median life expectancy of 2 years. The response rates to chemotherapy range from 35-40%. Epidemiologic evidence suggests that soy compounds may reduce the incidence of colorectal cancers. Laboratory analyses demonstrate that genistein, a soy-derived compound, may inhibit Wnt signaling, a pathway activated in majority of colorectal cancers. Laboratory observations also demonstrate that genistein may augment growth inhibition when combined with chemotherapeutic agents of 5-Fluorouracil and platinum compounds. Based on pre-clinical data the investigators hypothesize that combining genistein with the standard of care chemotherapeutic regimens will reduce chemotherapy resistance and improve response rates in patients. The aim of the study is to add genistein to the regimens of FOLFOX or FOLFOX-Avastin in patients with newly diagnosed stage IV colon or rectal neoplasms.

| 2154917 | ecrin-mdr-crc

Effects of Genistein on LNCaP Gene Expression

Project description:Gene expression profiling to identify genes significantly modulated by low and high doses of genistein in LNCaP cells. Significant genes were identified using StepMiner analysis and significantly altered pathways with Ingenuity Pathways analysis. Genistein significantly altered expression of transcripts involved in cell growth, carcinogen defenses and steroid signaling pathways. The effects of genistein on these pathways were confirmed by directly assessing dose-related effects on LNCaP cell growth, NQO-1 enzymatic activity and PSA protein expression.

2010-10-20 | GSE24796 | GEO

A quantitative proteomic based approach to study the genistein induced epigenetic reprogramming in MDA-MB231 cells

Project description:Epidemiological data indicate that consumption of soy-based food significantly reduces the cancer risk in human through interaction with estrogen receptors and the ‘phytoestrogen’ genistein present in the soy is responsible for this chemopreventive activity. The epigenome regulatory effect of genistein also reported but the key mechanism behind this effect remain elusive. In this current project, we reported the epigenome modulation effect of genistein using MDA-MB231 cells. Cells were treated with low-dose genistein for >1 month and the stable epigenetic alterations were analyzed by partial MNase digestion and TMT-based quantitative proteomics based chromatome mapping approach. We identified a total of 3177 chromatin-bound proteins with high confidence, including 882 proteins that displayed altered binding topology after cell conditioning with genistein. Prolonged phytochemical exposure permanently modified the binding topology of the key epigenetic regulators and preserved their binding topology in untreated progeny. Genistein induced altered epigenome modulation negatively regulates the expression of cell proliferation genes and suppress cell growth. In contrast, previously exposed cells displayed reduced expression of DNA repair genes and enhanced genotoxic stress upon genistein withdrawal.

2018-07-05 | PXD006178 | Pride

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