MicroRNA-687 induced by hypoxia-inducible factor-1 targets phosphatase and tensin homolog in renal ischemia-reperfusion injury

Kirti Bhatt, QingQing Wei, Navjotsingh Pabla, Guie Dong, Qing Sheng Mi, Mingyu Liang, Changlin Mei, Zheng Dong

Research output: Contribution to journalArticle

44 Citations (Scopus)

Abstract

Ischemia-reperfusion injury contributes to tissue damage and organ failure in clinical settings, but the underlying mechanismremains elusive and effective therapies are still lacking. Here, we identified microRNA 687 (miR-687) as a key regulator and therapeutic target in renal ischemia-reperfusion injury.We show thatmiR-687 is markedly upregulated in the kidney during renal ischemia-reperfusion in mice and in cultured kidney cells during hypoxia. MiR-687 induction under these conditionswasmediated by hypoxia-inducible factor-1 (HIF-1).Upon induction in vitro, miR-687 repressed the expression of phosphatase and tensin homolog (PTEN) and facilitated cell cycle progression and apoptosis. Blockade of miR-687 preserved PTEN expression and attenuated cell cycle activation and renal apoptosis, resulting in protection against kidney injury in mice. Collectively, these results unveil a novel HIF-1/miR-687/PTEN signaling pathway in ischemia-reperfusion injury that may be targeted for therapy.

Original languageEnglish (US)
Pages (from-to)1588-1596
Number of pages9
JournalJournal of the American Society of Nephrology
Volume26
Issue number7
DOIs
StatePublished - Jul 1 2015

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Hypoxia-Inducible Factor 1
Reperfusion Injury
MicroRNAs
Phosphoric Monoester Hydrolases
Kidney
Cell Cycle
Apoptosis
Cell Hypoxia
Reperfusion
Tensins
Cultured Cells
Therapeutics
Ischemia
Wounds and Injuries

ASJC Scopus subject areas

  • Nephrology

Cite this

MicroRNA-687 induced by hypoxia-inducible factor-1 targets phosphatase and tensin homolog in renal ischemia-reperfusion injury. / Bhatt, Kirti; Wei, QingQing; Pabla, Navjotsingh; Dong, Guie; Mi, Qing Sheng; Liang, Mingyu; Mei, Changlin; Dong, Zheng.

In: Journal of the American Society of Nephrology, Vol. 26, No. 7, 01.07.2015, p. 1588-1596.

Research output: Contribution to journalArticle

Bhatt, Kirti ; Wei, QingQing ; Pabla, Navjotsingh ; Dong, Guie ; Mi, Qing Sheng ; Liang, Mingyu ; Mei, Changlin ; Dong, Zheng. / MicroRNA-687 induced by hypoxia-inducible factor-1 targets phosphatase and tensin homolog in renal ischemia-reperfusion injury. In: Journal of the American Society of Nephrology. 2015 ; Vol. 26, No. 7. pp. 1588-1596.
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