Abstract：
:The development of chronic heart failure (CHF) following myocardial infarction is characterized by progressive alterations of left ventricle (LV) structure and function called left ventricular remodeling (LVR), but the mechanism of LVR remains still unclear. Moreover, information concerning the global alteration protein pattern during the LVR will be helpful for a better understanding of the process. We performed differential proteomic analysis of whole LV proteins using an experimental model of CHF in which myocardial infarction was induced in adult male rats by left coronary ligation. Among 1000 protein spots detected in 2D-gels, 49 were differentially expressed in LV of 2-month-old CHF-rats, corresponding to 27 different identified proteins (8 spots remained unidentified), classified in different functional groups as being heat shock proteins, reticulum endoplasmic stress proteins, oxidative stress proteins, glycolytic enzymes, fatty acid metabolism enzymes, tricarboxylic acid cycle proteins and respiratory chain proteins. We validated modulation of selected proteins using Western blot analysis. Our data showed that proteins involved in cardiac metabolism and oxidative stress are modulated during LVR. Interestingly, proteins of stress response showed different adaptation pathways in the early and late phase of LVR. Expression of four proteins, glyceraldehyde-3-phosphate dehydrogenase, alphaB-crystallin, peroxiredoxin 2, and isocitrate dehydrogenase, was linked to echographic parameters according to heart failure severity.
journal_name
J Proteome Resjournal_title
Journal of proteome researchauthors
Cieniewski-Bernard C,Mulder P,Henry JP,Drobecq H,Dubois E,Pottiez G,Thuillez C,Amouyel P,Richard V,Pinet Fdoi
10.1021/pr800409usubject
Has Abstractpub_date
2008-11-01 00:00:00pages
5004-16issue
11eissn
1535-3893issn
1535-3907journal_volume
7pub_type
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