Transcriptomic changes in developing kidney exposed to chronic hypoxia
- 作者：Dumitru A. Iacobas ; Chenhao Fan ; Sanda Iacobas ; David C. Spray and Gabriel G. Haddad
- 关键词：Development ; Maturation ; Renal ; Gene expression ; Growth factor ; Apoptosis ; Solute carrier ; Gender difference ; Heat shock protein
- 刊名：Biochemical and Biophysical Research Communications
- 出版年：2006
- 期刊代码：159_0006291x
- 类别：bio
- 出版时间：13 October 2006
- 卷：349
- 期：1
- 页码：329-338
- 文件大小：524 K
摘要
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.