Diabetes mellitus attenuates myocardial preconditioning of desflurane in ischemia-reperfused rat heart

Hyun Soo Kim, Yoon-E Choi, Ji Won Yang

Research output: Contribution to journalArticle

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Abstract

Desflurane has been commonly used in anesthesia that possesses a cardioprotective effect against ischemia-reperfusion. We evaluated whether diabetes mellitus affected desflurane preconditioning induced cardioprotection in ischemia-reperfusion rat hearts in view of pro- and anti-apoptotic signaling pathways and Ca2+ homeostasis. Streptozotocin-induced, diabetic rats and age-matched wild-type Sprague-Dawley rats were subjected to a left anterior descending coronary artery occlusion for 30 min followed by 1 hr of reperfusion. Myocardial infarct size, activities of Akt, ERK1/2, Bcl-2, Bax and cytochrome c, and gene expression influencing Ca2+ homeostasis were examined. Desflurane preconditioning significantly reduced myocardial infarct size compared to ischemia-reperfusion in wild-type rats but not in diabetic rats. In addition, decrease in Akt, ERK1/2, and Bcl-2, and the increase in Bax and cytochrome c by ischemia-reperfusion was reduced by desflurane preconditioning. In diabetic rat hearts, however, desflurane preconditioning failed to recover the phosphorylation state of Akt and ERK1/2 and to repress apoptotic signaling in association with impoverished modulation of abnormal changes in sarcoplasmic reticulum proteins in ischemia-reperfusion rat hearts. These results suggest that diabetes mellitus attenuated desflurane preconditioning against ischemia-reperfusion, which might be associated with reduced recovery of the activities of proteins involved in anti-apoptotic signaling pathways and sarcoplasmic reticulum.

Original languageEnglish
Pages (from-to)265-275
Number of pages11
JournalTissue Engineering and Regenerative Medicine
Volume9
Issue number5
DOIs
Publication statusPublished - 2012 Oct 1
Externally publishedYes

Fingerprint

Myocardial Ischemic Preconditioning
Medical problems
Reperfusion
Rats
Diabetes Mellitus
Ischemia
Proteins
Sarcoplasmic Reticulum
Cytochromes c
Homeostasis
Myocardial Infarction
Phosphorylation
Coronary Occlusion
Streptozocin
desflurane
Gene expression
Sprague Dawley Rats
Coronary Vessels
Anesthesia
Modulation

Keywords

  • Desflurane
  • Diabetes mellitus
  • Ischemia-reperfusion

ASJC Scopus subject areas

  • Medicine (miscellaneous)
  • Biomedical Engineering

Cite this

Diabetes mellitus attenuates myocardial preconditioning of desflurane in ischemia-reperfused rat heart. / Kim, Hyun Soo; Choi, Yoon-E; Yang, Ji Won.

In: Tissue Engineering and Regenerative Medicine, Vol. 9, No. 5, 01.10.2012, p. 265-275.

Research output: Contribution to journalArticle

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