Microarray analysis of gene expression alteration in human middle ear epithelial cells induced by Asian sand dust

Yoon Young Go, Moo Kyun Park, Jee Young Kwon, Young Rok Seo, Sungwon Chae, Jae-Jun Song

Research output: Contribution to journalArticle

Abstract

Objectives. The primary aim of this study is to evaluate the gene expression profile of Asian sand dust (ASD)-treated human middle ear epithelial cell (HMEEC) using microarray analysis. Methods. The HMEEC was treated with ASD (400 µg/mL) and total RNA was extracted for microarray analysis. Molecular pathways among differentially expressed genes were further analyzed. For selected genes, the changes in gene expression were confirmed by real-time polymerase chain reaction. Results. A total of 1,274 genes were differentially expressed by ASD. Among them, 1,138 genes were 2 folds up-regulated, whereas 136 genes were 2 folds down-regulated. Up-regulated genes were mainly involved in cellular processes, including apoptosis, cell differentiation, and cell proliferation. Down-regulated genes affected cellular processes, including apoptosis, cell cycle, cell differentiation, and cell proliferation.The 10 genes including ADM, CCL5, EDN1, EGR1, FOS, GHRL, JUN, SOCS3, TNF, and TNFSF10 were identified as main modulators in up-regulated genes. A total of 11 genes including CSF3, DKK1, FOSL1, FST, TERT, MMP13, PTHLH, SPRY2, TGFBR2, THBS1, and TIMP1 acted as main components of pathway associated with 2-fold down regulated genes. Conclusion. We identified the differentially expressed genes in ASD-treated HMEEC. Our work indicates that air pollutant like ASD, may play an important role in the pathogenesis of otitis media.

Original languageEnglish
Pages (from-to)345-353
Number of pages9
JournalClinical and Experimental Otorhinolaryngology
Volume8
Issue number4
DOIs
Publication statusPublished - 2015 Jan 1

Fingerprint

Middle Ear
Microarray Analysis
Dust
Epithelial Cells
Gene Expression
Genes
Cell Differentiation
Cell Proliferation
Tissue Array Analysis
Apoptosis
Air Pollutants
Otitis Media
Transcriptome
Real-Time Polymerase Chain Reaction
Cell Cycle
RNA

Keywords

  • Air pollution
  • Asian sand dust
  • Microarray analysis
  • Otitis media
  • Particulate matter

ASJC Scopus subject areas

  • Surgery
  • Otorhinolaryngology

Cite this

Microarray analysis of gene expression alteration in human middle ear epithelial cells induced by Asian sand dust. / Go, Yoon Young; Park, Moo Kyun; Kwon, Jee Young; Seo, Young Rok; Chae, Sungwon; Song, Jae-Jun.

In: Clinical and Experimental Otorhinolaryngology, Vol. 8, No. 4, 01.01.2015, p. 345-353.

Research output: Contribution to journalArticle

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