Document Detail

Effects of gallic Acid and cyclosporine a on antioxidant capacity and cardiac markers of rat isolated heart after ischemia/reperfusion.
MedLine Citation:
PMID:  25068044     Owner:  NLM     Status:  PubMed-not-MEDLINE    
BACKGROUND: Myocardial infarction is one of the important causes of death during old ages. Gallic acid as an antioxidant or cyclosporine A (CsA) as inhibitor of mitochondrial permeability transition pore (mPTP) alone could prevent these complications to some extent, but their combination effect has not been investigated.
OBJECTIVES: The aim of this study was to determine the combined effect of gallic acid and CsA on antioxidant capacity of isolated heart tissues during ischemia reperfusion.
MATERIALS AND METHODS: EIGHTY MALE WISTAR RATS WERE RANDOMLY ASSIGNED TO DIFFERENT GROUPS: sham, control (Ca, received saline, 1 mL/kg); 3 groups were pretreated with gallic acid (G1a: 7.5, G2a: 15, G3a: 30 mg/kg) for 10 days, and the other 3 groups were pretreated with gallic acid and received CsA (0.2 µM) for 10 minutes before induction of ischemia and during the first 10 minutes of reperfusion (G1b, G2b and G3b) and the last group received CsA alone (Cb). After 10 days of pretreatment, the heart was isolated and transferred to the Langendorff apparatus and exposed to 30 minutes ischemia followed by 60 minutes of reperfusion. After that cardiac markers and antioxidant enzymes were assessed in cardiac tissues.
RESULTS: Lactate dehydrogenase (LDH), Superoxide dismutase (SOD), catalase (CAT) and glutathione peroxidase (GPX) activity increased and malondialdehyde (MDA) decreased in animals pretreated with gallic acid significantly. However, pretreatment with gallic acid followed by CsA during reperfusion improved the antioxidant capacity and cardiac marker enzymes and restored the lipid peroxidation more effective than gallic acid or CsA alone. Nevertheless, CsA did not change the cardiac marker enzymes significantly.
CONCLUSIONS: Gallic acid and CsA combination improved antioxidant capacity and cell membrane integrity more than each one alone. Therefore, it can be a therapeutic approach to reduce the I/R injury.
Mohammad Badavi; Najmeh Sadeghi; Mahin Dianat; Alireza Samarbafzadeh
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Publication Detail:
Type:  Journal Article     Date:  2014-06-05
Journal Detail:
Title:  Iranian Red Crescent medical journal     Volume:  16     ISSN:  2074-1804     ISO Abbreviation:  Iran Red Crescent Med J     Publication Date:  2014 Jun 
Date Detail:
Created Date:  2014-07-28     Completed Date:  2014-07-28     Revised Date:  2014-07-31    
Medline Journal Info:
Nlm Unique ID:  101319850     Medline TA:  Iran Red Crescent Med J     Country:  United Arab Emirates    
Other Details:
Languages:  eng     Pagination:  e16424     Citation Subset:  -    
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