Document Detail

Resolvin d1, a metabolite of omega-3 polyunsaturated Fatty Acid, decreases post-myocardial infarct depression.
MedLine Citation:
PMID:  25402828     Owner:  NLM     Status:  In-Data-Review    
We hypothesized that inflammation induced by myocardial ischemia plays a central role in depression-like behavior after myocardial infarction (MI). Several experimental approaches that reduce inflammation also result in attenuation of depressive symptoms. We have demonstrated that Resolvin D1 (RvD1), a metabolite of omega-3 polyunsaturated fatty acids (PUFA) derived from docosahexaenoic acid, diminishes infarct size and neutrophil accumulation in the ischemic myocardium. The aim of this study is to determine if a single RvD1 injection could alleviate depressive symptoms in a rat model of MI. MI was induced in rats by occlusion of the left anterior descending coronary artery for 40 min. Five minutes before ischemia or after reperfusion, 0.1 μg of RvD1 or vehicle was injected in the left ventricle cavity. Fourteen days after MI, behavioral tests (forced swim test and socialization) were conducted to evaluate depression-like symptoms. RvD1 reduced infarct size in the treated vs. the vehicle group. Animals receiving RvD1 also showed better performance in the forced swim and social interaction tests vs. vehicle controls. These results indicate that a single RvD1 dose, given 5 min before occlusion or 5 min after the onset of reperfusion, decreases infarct size and attenuates depression-like symptoms.
Kim Gilbert; Judith Bernier; Roger Godbout; Guy Rousseau
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Publication Detail:
Type:  Journal Article     Date:  2014-11-13
Journal Detail:
Title:  Marine drugs     Volume:  12     ISSN:  1660-3397     ISO Abbreviation:  Mar Drugs     Publication Date:  2014  
Date Detail:
Created Date:  2014-11-18     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101213729     Medline TA:  Mar Drugs     Country:  Switzerland    
Other Details:
Languages:  eng     Pagination:  5396-407     Citation Subset:  IM    
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