Galhardo2014 Data: Integrated analysis of transcript-level regulation of metabolism reveals disease-relevant nodes of the human metabolic network [ChIP-seq]

By (Secondary Ownership. The experiment uses only third-party data.)

Abstract from Pubmed:

Metabolic diseases and comorbidities represent an ever-growing epidemic where multiple cell types impact tissue homeostasis. Here, the link between the metabolic and gene regulatory networks was studied through experimental and computational analysis. Integrating gene regulation data with a human metabolic network prompted the establishment of an open-sourced web portal, IDARE (Integrated Data Nodes of Regulation), for visualizing various gene-related data in context of metabolic pathways. Motivated by increasing availability of deep sequencing studies, we obtained ChIP-seq data from widely studied human umbilical vein endothelial cells. Interestingly, we found that association of metabolic genes with multiple transcription factors (TFs) enriched disease-associated genes. To demonstrate further extensions enabled by examining these networks together, constraint-based modeling was applied to data from human preadipocyte differentiation. In parallel, data on gene expression, genome-wide ChIP-seq profiles for peroxisome proliferator-activated receptor (PPAR) gamma, CCAAT/enhancer binding protein (CEBP) alpha, liver X receptor (LXR) and H3K4me3 and microRNA target identification for miR-27a, miR-29a and miR-222 were collected. Disease-relevant key nodes, including mitochondrial glycerol-3-phosphate acyltransferase (GPAM), were exposed from metabolic pathways predicted to change activity by focusing on association with multiple regulators. In both cell types, our analysis reveals the convergence of microRNAs and TFs within the branched chain amino acid (BCAA) metabolic pathway, possibly providing an explanation for its downregulation in obese and diabetic conditions.
histone modifications CEBPA networks ChIP-seq LXR differentiation PPARG transcription factors
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Illumina Genome Analyzer II
SRP016497

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Input Data

Sample Groups and Experimental Factors


Genome Snapshots

'Genome snapshots' are assorted genomic regions that the creators of this experiment considered of particular interest.

TOM1L2 locus

GPAM locus

ACSL1 locus

Main Experimental Results

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Analysis Workflow

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