[Attenuation of cardiac ischemia/reperfusion injury by transient low hydroperoxide pretreatment in rat].
Zhongguo Ying Yong Sheng Li Xue Za Zhi
; 29(3): 247-50, 2013 May.
Article
in Zh
| MEDLINE
| ID: mdl-23940960
ABSTRACT
OBJECTIVE:
To investigate how transient low dose of hydroperoxide pretreatment prevents cardiac ischemia/reperfusion injury.METHODS:
SD rats were divided into 4 groups sham operation (Sham), standard ischemia/reperfusion (I/R), ischemic preconditioning (IPC) and IR preceded by low H2O2 treatment. Cardiac function and injury parameter were compared among groups.RESULTS:
IPC protected reperfusion injury and improved cardiac function. Low H2O2 treatment played a role in cardioprotection similar to IPC. Low H2O2 was indeed generated in the early phase of simulated ischemia and attenuated cytochrome c release induced by high Ca2+ in isolated mitochondria.CONCLUSION:
Low H2O2 plays a critical role in cardioprotection probably by inhibiting mitochondrial permeability transition.
Search on Google
Collection:
01-internacional
Database:
MEDLINE
Main subject:
Reperfusion Injury
/
Ischemic Preconditioning
/
Hydrogen Peroxide
Limits:
Animals
Language:
Zh
Journal:
Zhongguo Ying Yong Sheng Li Xue Za Zhi
Journal subject:
FISIOLOGIA
Year:
2013
Document type:
Article
Affiliation country: