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Accession IconGSE49081

MicroRNAs Implicated in Dysregulation of Gene Expression Following Human Lung Transplantation

Organism Icon Homo sapiens
Sample Icon 53 Downloadable Samples
Technology Badge Icon Affymetrix Human Human Exon 1.0 ST Array (huex10st)

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Description
Lung transplantation remains the only viable treatment option for the majority of patients with advanced lung diseases. However, 5-year post-transplant survival rates remain low primarily secondary to chronic rejection. Novel insights from global gene expression profiles may provide molecular phenotypes and therapeutic targets to improve outcomes after lung transplantation. We compared whole-genome transcriptional expression profiled using the Affymetrix Human Exon Array in peripheral blood mononuclear cells (PBMCs) in lung transplant patients and normal individuals. 364 dysregulated genes in Caucasian lung transplant patients relative to normal individuals. Enriched Gene Ontology biological processes and pathways included defense response, immune response and response to wounding. We then compared the expression profiles of potential regulating miRNAs which suggested that dysregulation of a number of lung transplant-associated genes (e.g., ATR, FUT8, LRRC8B, NFKBIA) may be attributed to the differential expression of their regulating miRNAs. This exploratory analysis of the relationship between these miRNAs and their gene targets in the context of lung transplantation warrants further investigation and may serve as novel therapeutic targets in lung transplant complications.
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