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MicroRNA expression profiles in Idiopathic Pulmonary Fibrosis (IPF)

ABSTRACT: microRNA expression profiles in Idiopathic Pulmonary Fibrosis (IPF)

PROVIDER: PRJNA530198 | ENA |

REPOSITORIES: ENA

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Idiopathic pulmonary fibrosis (IPF)

Project description:Idiopathic pulmonary fibrosis (IPF)

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MicroRNA expression data in Idiopathic Pulmonary Fibrosis

Project description:Idiopathic pulmonary fibrosis (IPF) is an untreatable fibrotic lung disease characterized by fibroblast proliferation and epithelial mesenchymal transition. Using miRNA expression microarrays we identified 96 differentially expressed miRNA in IPF lungs which included let-7d, miR-30 family, miR-29 family and miR-154 family. Lung tissue samples for microarray analysis were obtained through the University of Pittsburgh Health Sciences Tissue Bank. 13 samples were obtained from surgical remnants of biopsies or lungs explanted from patients with IPF who underwent pulmonary transplant, and 12 control normal lung tissues obtained from the disease free margins with normal histology of lung cancer resection specimens. The morphologic diagnosis of IPF was based on typical microscopic findings consistent with usual interstitial pneumonia. Total RNA was labeled with Cy3 and hybridized on Agilent 8X15K microRNA array (Agilent Technologies, Santa Clara, CA). After 20 hours hybridization, arrays were washed and scanned according to the manufacturer’s protocol.

2013-01-04 | E-GEOD-27430 | biostudies-arrayexpress

MicroRNA expression data in Idiopathic Pulmonary Fibrosis

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Transcription profiling of human myofibroblasts isolated from patients with idiopathic pulmonary fibrosis

Project description:Idiopathic pulmonary fibrosis (IPF), a chronic progressive lung disease of unknown etiology, is characterized by the expansion of myofibroblasts and abnormal deposition of extracellular matrix in the lung parenchyma. To elucidate the molecular mechanisms that lead to IPF, we analyzed myofibroblasts established from patients with IPF by oligonucleotide microarrays. Gene expression profiles revealed a novel pathophysiologic function of myofibroblasts as a generator of reactive oxygen species, and a self-defense mechanism against oxidative stress of their own generating. Experiment Overall Design: We isolated two myofibroblast cell culture from patients with idiopathic pulmonary fibrosis. Embryonic pulmonary fibroblast was used for the reference.

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