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Myofibrillar remodeling in cardiac hypertrophy, heart failure and cardiomyopathies.
| Content Provider | Europe PMC |
|---|---|
| Author | Machackova, Jarmila Barta, Judit Dhalla, Naranjan S |
| Abstract | BACKGROUND A wide variety of pathological conditions have been shown to result in cardiac remodelling and myocardial dysfunction. However, the mechanisms of transition from adaptive to mal-adaptive alterations, as well as those for changes in cardiac performance leading to heart failure, are poorly understood. OBSERVATIONS Extensive studies have revealed a broad spectrum of progressive changes in subcellular structures and function, as well as in signal transduction and metabolism in the heart, among different cardiovascular disorders. The present review is focused on identifying the alterations in molecular and biochemical structure of myofibrils (myofibrillar remodelling) in hypertrophied and failing myocardium in different types of heart diseases. Numerous changes at the level of gene expression for both contractile and regulatory proteins have already been reported in failing hearts and heart diseases; these changes are potential precursors for heart failure such as cardiac hypertrophy and cardiomyopathies. Myofibrillar remodelling, as a consequence of proteolysis, oxidation, and phosphorylation of some functional groups in both contractile and regulatory proteins in hearts failing due to different etiologies, has also been described. CONCLUSIONS Although myofibrillar remodelling appears to be associated with cardiac dysfunction, alterations in both contractile and regulatory proteins are dependent on the type and stage of heart disease. |
| Related Links | https://europepmc.org/backend/ptpmcrender.fcgi?accid=PMC2570240&blobtype=pdf |
| ISSN | 0828282X |
| Volume Number | 22 |
| PubMed Central reference number | PMC2570240 |
| Issue Number | 11 |
| PubMed reference number | 16971981 |
| Journal | Can J Cardiol |
| e-ISSN | 19167075 |
| DOI | 10.1016/s0828-282x(06)70315-4 |
| Language | English |
| Publisher | Pulsus Group Inc |
| Publisher Date | 2006-09-01 |
| Access Restriction | Open |
| Subject Keyword | Cardiac gene expression Cardiomyopathies Congestive heart failure Myocardial infarction Myofibrillar alterations |
| Content Type | Text |
| Resource Type | Article |
| Subject | Cardiology and Cardiovascular Medicine |
