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Microarray analysis of primary epithelial and fibroblast cells in chronic rhinosinusitis without nasal polyps

Volume: 0 - Issue: 0

First page: 0 - Last page: 0

S.L. Ball - S.J. Cockell - J.A. Wilson - D.A. Mann - A.J. Fisher

Background: Chronic rhinosinusitis is an inflammatory condition with an as yet unknown pathophysiology. We aimed to detect clusters of differentially regulated genes in the epithelial and fibroblast cells of patients with Chronic Rhinosinusitis without nasal polyposis (CRSsNP) and healthy controls.
Methodology: Carefully phenotyped CRSsNP and healthy control participants were recruited. Primary cultures of isolated epithelial and fibroblast cells were established. Whole transcriptome analysis of the cells was performed using microarrays and replicated with quantitative RT-PCR and immunohistochemistry.
Results: Fibroblast cells from CRSsNP patients showed a significant upregulation (more than 2x) of the transcription factor NFE2L3 when compared to healthy controls by microarray with multiple hypothesis testing correction, qRT-PCR and immunohistochemistry.
Conclusions: Here we have utilized microarray analysis to search for differentially expressed genes in isolated patient derived epithelial and fibroblast cells. The transcription factor NFE2L3 has been shown to be upregulated in fibroblast cells consistent with increasing evidence that fibroblasts play a key role in tissue specific inflammation within the paranasal sinuses.

S.L. Ball - S.J. Cockell - J.A. Wilson - D.A. Mann - A.J. Fisher - Microarray analysis of primary epithelial and fibroblast cells in chronic rhinosinusitis without nasal polyps

Rhinology 0-0: 0-0, 0000