Transcriptomic changes in developing kidney exposed to chronic hypoxia

Dumitru A. Iacobas, Chenhao Fan, Sanda Iacobas, David C. Spray, Gabriel G. Haddad

Research output: Contribution to journalArticle

28 Scopus citations

Abstract

cDNA arrays compared gene expression in kidneys of neonatal mice subjected to 1, 2, and 4 weeks of chronic constant (CCH) or intermittent (CIH) hypoxia with normoxic littermates. Five to twenty percent of genes were regulated in each condition, with greater changes in CCH. Up-regulation of 42% of the solute carriers after 1 week of CCH suggests a strong activation of pH controlling pathways. Significant reduction in expression change of genes important in growth, development, and aging as a function of time indicates reduced maturation rate in CIH and CCH treatments. Regulated genes showed gender dependence in CCH, being higher in females than males at 1 week and higher in males than females thereafter. Transcriptional control was enhanced in CCH but not in CIH. Thus, CCH and CIH both alter gene expression and retard maturation with the more profound changes occurring in CCH than in CIH.

Original languageEnglish (US)
Pages (from-to)329-338
Number of pages10
JournalBiochemical and Biophysical Research Communications
Volume349
Issue number1
DOIs
StatePublished - Oct 13 2006

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Keywords

  • Apoptosis
  • Development
  • Gender difference
  • Gene expression
  • Growth factor
  • Heat shock protein
  • Maturation
  • Renal
  • Solute carrier

ASJC Scopus subject areas

  • Biophysics
  • Biochemistry
  • Molecular Biology
  • Cell Biology

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