Monitoring changes in gene expression in renal ischemia-reperfusion in the rat

被引:120
作者
Yoshida, T
Kurella, M
Beato, F
Min, H
Ingelfinger, JR
Stears, RL
Swinford, RD
Gullans, SR
Tang, SS
机构
[1] Massachusetts Gen Hosp, Pediat Nephrol Unit, Boston, MA 02114 USA
[2] Harvard Univ, Brigham & Womens Hosp, Sch Med, Dept Med,Renal Div, Boston, MA 02115 USA
[3] Univ Texas, Med Ctr, Div Pediat, Nephrol Unit, Houston, TX USA
关键词
microarray; ischemia-reperfusion; gene expression;
D O I
10.1046/j.1523-1755.2002.00341.x
中图分类号
R5 [内科学]; R69 [泌尿科学(泌尿生殖系疾病)];
学科分类号
1002 ; 100201 ;
摘要
Background. Although acute renal failure (ARF) is a relatively common disorder with major morbidity and mortality, its molecular basis remains incompletely defined. The present study examined global gene expression in the well-characterized ischemia-reperfusion model of ARF using DNA microarray technology. Methods. Male Wistar rats underwent bilateral renal ischemia (30 min) or sham operation, followed by reperfusion for 1, 2, 3 or 4 clays. Plasma creatinine increased approximately fivefold over baseline, peaking on day 1. Renal total RNA was used to probe cDNA microarrays. Results. Alterations in expression of IS genes were identified by microarray analysis. Nine genes were up-regulated (ADAM2, HO-1, UCP-2, and thymosin beta4 in the early phase and clusterin, vanin1, fibronectin, heat-responsive protein 12 and FK506 binding protein in the established phase), whereas another nine were down-regulated (glutamine synthetase, cytochrome p450 IId6, and cyp 2d9 in the early phase and cyp 4a14, Xist gene, PPARgamma, alpha-albumin, uromodulin, and ADH B2 in the established phase). The identities of these IS genes were sequence-verified. Changes in gene expression of ADAM2, cyp2d6, fibronectin, HO-1 and PPARgamma were confirmed by quantitative real-time polymerase chain reaction (PCR). ADAM2, cyp2d6, and PPARgamma have not previously been known to be involved in ARF. Conclusion. Using DNA microarray technology, we identified changes in expression of IS genes during renal ischemia-reperfusion injury in the rat. We confirmed changes in five genes (fibronectin, ADAM2, cyp 2d6, HO-1 and PPARgamma) by quantitative real-time PCR. Several genes, not previously been identified as playing a role in ischemic ARF, may have importance in this disease.
引用
收藏
页码:1646 / 1654
页数:9
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