HIF-1 reduces ischaemia-reperfusion injury in the heart by targeting the mitochondrial permeability transition pore

Sang Ging Ong, Won Hee Lee, Louise Theodorou, Kazuki Kodo, Shiang Y. Lim, Deepa H. Shukla, Thomas Briston, Serafim Kiriakidis, Margaret Ashcroft, Sean M. Davidson, Patrick H. Maxwell, Derek M. Yellon, Derek J. Hausenloy

Research output: Contribution to journalArticle

67 Citations (Scopus)

Abstract

Aims Hypoxia-inducible factor-1 (HIF-1) has been reported to promote tolerance against acute myocardial ischaemia-reperfusion injury (IRI). However, the mechanism through which HIF-1 stabilization actually confers this cardioprotection is not clear. We investigated whether HIF-1α stabilization protects the heart against acute IRI by preventing the opening of the mitochondrial permeability transition pore (MPTP) and the potential mechanisms involved. Methods and results Stabilization of myocardial HIF-1 was achieved by pharmacological inhibition of prolyl hydroxylase (PHD) domain-containing enzyme using GSK360A or using cardiac-specific ablation of von Hippel-Lindau protein (VHLfl/fl) in mice. Treatment of HL-1 cardiac cells with GSK360A stabilized HIF-1, increased the expression of HIF-1 target genes pyruvate dehydrogenase kinase-1 (PDK1) and hexokinase II (HKII), and reprogrammed cell metabolism to aerobic glycolysis, thereby resulting in the production of less mitochondrial oxidative stress during IRI, and less MPTP opening, effects which were shown to be dependent on HKII. These findings were further confirmed when HIF-1 stabilization in the rat and murine heart resulted in smaller myocardial infarct sizes (both in vivo and ex vivo), decreased mitochondrial oxidative stress, and inhibited MPTP opening following IRI, effects which were also found to be dependent on HKII. Conclusions We have demonstrated that acute HIF-1α stabilization using either a pharmacological or genetic approach protected the heart against acute IRI by promoting aerobic glycolysis, decreasing mitochondrial oxidative stress, activating HKII, and inhibiting MPTP opening.

Original languageEnglish
Pages (from-to)24-36
Number of pages13
JournalCardiovascular Research
Volume104
Issue number1
DOIs
Publication statusPublished - 2014 Oct 1
Externally publishedYes

Fingerprint

Hypoxia-Inducible Factor 1
Reperfusion Injury
Hexokinase
Oxidative Stress
Glycolysis
Pharmacology
Prolyl Hydroxylases
Myocardial Reperfusion Injury
mitochondrial permeability transition pore
Myocardial Ischemia
Myocardial Infarction
Enzymes

Keywords

  • Energy metabolism
  • Hypoxia-inducible factor
  • Ischaemia
  • Mitochondria
  • Reperfusion

ASJC Scopus subject areas

  • Physiology
  • Cardiology and Cardiovascular Medicine
  • Physiology (medical)

Cite this

HIF-1 reduces ischaemia-reperfusion injury in the heart by targeting the mitochondrial permeability transition pore. / Ong, Sang Ging; Lee, Won Hee; Theodorou, Louise; Kodo, Kazuki; Lim, Shiang Y.; Shukla, Deepa H.; Briston, Thomas; Kiriakidis, Serafim; Ashcroft, Margaret; Davidson, Sean M.; Maxwell, Patrick H.; Yellon, Derek M.; Hausenloy, Derek J.

In: Cardiovascular Research, Vol. 104, No. 1, 01.10.2014, p. 24-36.

Research output: Contribution to journalArticle

Ong, SG, Lee, WH, Theodorou, L, Kodo, K, Lim, SY, Shukla, DH, Briston, T, Kiriakidis, S, Ashcroft, M, Davidson, SM, Maxwell, PH, Yellon, DM & Hausenloy, DJ 2014, 'HIF-1 reduces ischaemia-reperfusion injury in the heart by targeting the mitochondrial permeability transition pore', Cardiovascular Research, vol. 104, no. 1, pp. 24-36. https://doi.org/10.1093/cvr/cvu172
Ong, Sang Ging ; Lee, Won Hee ; Theodorou, Louise ; Kodo, Kazuki ; Lim, Shiang Y. ; Shukla, Deepa H. ; Briston, Thomas ; Kiriakidis, Serafim ; Ashcroft, Margaret ; Davidson, Sean M. ; Maxwell, Patrick H. ; Yellon, Derek M. ; Hausenloy, Derek J. / HIF-1 reduces ischaemia-reperfusion injury in the heart by targeting the mitochondrial permeability transition pore. In: Cardiovascular Research. 2014 ; Vol. 104, No. 1. pp. 24-36.
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abstract = "Aims Hypoxia-inducible factor-1 (HIF-1) has been reported to promote tolerance against acute myocardial ischaemia-reperfusion injury (IRI). However, the mechanism through which HIF-1 stabilization actually confers this cardioprotection is not clear. We investigated whether HIF-1α stabilization protects the heart against acute IRI by preventing the opening of the mitochondrial permeability transition pore (MPTP) and the potential mechanisms involved. Methods and results Stabilization of myocardial HIF-1 was achieved by pharmacological inhibition of prolyl hydroxylase (PHD) domain-containing enzyme using GSK360A or using cardiac-specific ablation of von Hippel-Lindau protein (VHLfl/fl) in mice. Treatment of HL-1 cardiac cells with GSK360A stabilized HIF-1, increased the expression of HIF-1 target genes pyruvate dehydrogenase kinase-1 (PDK1) and hexokinase II (HKII), and reprogrammed cell metabolism to aerobic glycolysis, thereby resulting in the production of less mitochondrial oxidative stress during IRI, and less MPTP opening, effects which were shown to be dependent on HKII. These findings were further confirmed when HIF-1 stabilization in the rat and murine heart resulted in smaller myocardial infarct sizes (both in vivo and ex vivo), decreased mitochondrial oxidative stress, and inhibited MPTP opening following IRI, effects which were also found to be dependent on HKII. Conclusions We have demonstrated that acute HIF-1α stabilization using either a pharmacological or genetic approach protected the heart against acute IRI by promoting aerobic glycolysis, decreasing mitochondrial oxidative stress, activating HKII, and inhibiting MPTP opening.",
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T1 - HIF-1 reduces ischaemia-reperfusion injury in the heart by targeting the mitochondrial permeability transition pore

AU - Ong, Sang Ging

AU - Lee, Won Hee

AU - Theodorou, Louise

AU - Kodo, Kazuki

AU - Lim, Shiang Y.

AU - Shukla, Deepa H.

AU - Briston, Thomas

AU - Kiriakidis, Serafim

AU - Ashcroft, Margaret

AU - Davidson, Sean M.

AU - Maxwell, Patrick H.

AU - Yellon, Derek M.

AU - Hausenloy, Derek J.

PY - 2014/10/1

Y1 - 2014/10/1

N2 - Aims Hypoxia-inducible factor-1 (HIF-1) has been reported to promote tolerance against acute myocardial ischaemia-reperfusion injury (IRI). However, the mechanism through which HIF-1 stabilization actually confers this cardioprotection is not clear. We investigated whether HIF-1α stabilization protects the heart against acute IRI by preventing the opening of the mitochondrial permeability transition pore (MPTP) and the potential mechanisms involved. Methods and results Stabilization of myocardial HIF-1 was achieved by pharmacological inhibition of prolyl hydroxylase (PHD) domain-containing enzyme using GSK360A or using cardiac-specific ablation of von Hippel-Lindau protein (VHLfl/fl) in mice. Treatment of HL-1 cardiac cells with GSK360A stabilized HIF-1, increased the expression of HIF-1 target genes pyruvate dehydrogenase kinase-1 (PDK1) and hexokinase II (HKII), and reprogrammed cell metabolism to aerobic glycolysis, thereby resulting in the production of less mitochondrial oxidative stress during IRI, and less MPTP opening, effects which were shown to be dependent on HKII. These findings were further confirmed when HIF-1 stabilization in the rat and murine heart resulted in smaller myocardial infarct sizes (both in vivo and ex vivo), decreased mitochondrial oxidative stress, and inhibited MPTP opening following IRI, effects which were also found to be dependent on HKII. Conclusions We have demonstrated that acute HIF-1α stabilization using either a pharmacological or genetic approach protected the heart against acute IRI by promoting aerobic glycolysis, decreasing mitochondrial oxidative stress, activating HKII, and inhibiting MPTP opening.

AB - Aims Hypoxia-inducible factor-1 (HIF-1) has been reported to promote tolerance against acute myocardial ischaemia-reperfusion injury (IRI). However, the mechanism through which HIF-1 stabilization actually confers this cardioprotection is not clear. We investigated whether HIF-1α stabilization protects the heart against acute IRI by preventing the opening of the mitochondrial permeability transition pore (MPTP) and the potential mechanisms involved. Methods and results Stabilization of myocardial HIF-1 was achieved by pharmacological inhibition of prolyl hydroxylase (PHD) domain-containing enzyme using GSK360A or using cardiac-specific ablation of von Hippel-Lindau protein (VHLfl/fl) in mice. Treatment of HL-1 cardiac cells with GSK360A stabilized HIF-1, increased the expression of HIF-1 target genes pyruvate dehydrogenase kinase-1 (PDK1) and hexokinase II (HKII), and reprogrammed cell metabolism to aerobic glycolysis, thereby resulting in the production of less mitochondrial oxidative stress during IRI, and less MPTP opening, effects which were shown to be dependent on HKII. These findings were further confirmed when HIF-1 stabilization in the rat and murine heart resulted in smaller myocardial infarct sizes (both in vivo and ex vivo), decreased mitochondrial oxidative stress, and inhibited MPTP opening following IRI, effects which were also found to be dependent on HKII. Conclusions We have demonstrated that acute HIF-1α stabilization using either a pharmacological or genetic approach protected the heart against acute IRI by promoting aerobic glycolysis, decreasing mitochondrial oxidative stress, activating HKII, and inhibiting MPTP opening.

KW - Energy metabolism

KW - Hypoxia-inducible factor

KW - Ischaemia

KW - Mitochondria

KW - Reperfusion

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