Abstract：
:Ischemic postconditioning (IPO) had been reported as a promising method against myocardial ischemia-reperfusion (I/R) injury, but IPO was later proved with poor clinical benefit. In this study, we compared the protective effects of pinacidil-postconditioning (PPO) and IPO against myocardial I/R injury. Langendorff rat hearts were randomly assigned to one of the following groups (n=8 each): Control group, I/R group (40min ischemia and 60min reperfusion), IPO group (6 successive cycles of 10s reperfusion per 10s occlusion before fully reperfusion), PPO group (perfused with 50μM pinacidil for 5min before reperfusion). Heart performance, infarct size and mitochondrial respiratory function were evaluated, and target genes/proteins of well-known Nuclear Factor-E2 Related Factor 2 (Nrf2) were assessed. Both IPO and PPO preserved heart function and myocardial ultrastructure at the end of reperfusion (all P<0.05 vs. I/R). The expression of Nrf2, NADH-quinone oxidoreductase-1 (NQO1), heme oxygenase 1 (HO-1) and superoxide dismutase 1 (SOD1) were similarly increased after IPO and PPO treatment (all P<0.05 vs. I/R). PPO exerted solid effect in defeating cardiac ischemia-reperfusion injury in rat.
journal_name
Eur J Pharmacoljournal_title
European journal of pharmacologyauthors
Yang YH,Zhang Y,Chen W,Wang Y,Cao S,Yu T,Wang Hdoi
10.1016/j.ejphar.2016.03.027subject
Has Abstractpub_date
2016-06-05 00:00:00pages
26-32eissn
0014-2999issn
1879-0712pii
S0014-2999(16)30148-0journal_volume
780pub_type
杂志文章abstract：:In utero exposure of rodents to valproic acid (VPA) has been proposed to induce an adult phenotype with behavioural characteristics reminiscent of those observed in autism spectrum disorder (ASD). Our previous studies have demonstrated the social cognition deficits observed in this model, a major core symptom of ASD, ...
journal_title：European journal of pharmacology
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journal_title：European journal of pharmacology
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journal_title：European journal of pharmacology
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journal_title：European journal of pharmacology
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journal_title：European journal of pharmacology
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journal_title：European journal of pharmacology
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journal_title：European journal of pharmacology
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journal_title：European journal of pharmacology
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journal_title：European journal of pharmacology
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journal_title：European journal of pharmacology
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journal_title：European journal of pharmacology
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journal_title：European journal of pharmacology
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abstract：:The impacts of prenatal propofol on cognition and emotion of offspring remain elusive. In the present study, pregnant rats in the second trimester were anesthetized with propofol. Neuronal apoptosis and proliferation was determined in fetuses and postnatal rats by detecting caspase-3 and BrdU expression. The offspring...
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