The First Line of Defense Against Cardiac Hypertrophy

Author(s): X. Fan, X. Wu

Journal Name: Current Molecular Medicine

Volume 13 , Issue 4 , 2013

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The embryonic phenotype transformation of cardiomyocytes is an important characteristic of pathological cardiac hypertrophy. It includes transcriptional reprogramming of gene expression, a switch from lipid metabolism to carbohydrate metabolism, and a shift from α-myosin heavy chain (MHC) to fetal ß-MHC expression. The embryonic and adult cardiacmyocytes have distinct gene expression profiles. A series of genes that are expressed in embryos are later shut down after birth through the inhibition of endogenous constitutively activated molecules. These genes can be reactivated if these inhibitors are inactivated or downregulated, as occurs under certain pathological conditions. This promotes pathological cardiac hypertrophy. In this review, we list a class of endogenous molecules whose expression is inactivated during cardiac hypertrophy. They play a positive role in inhibition of the occurrence and development of cardiac hypertrophy and constitute the first natural line of defense against pathological cardiac hypertrophy.

Keywords: Cardiac hypertrophy, expression, first line of defense, inhibitors

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Article Details

Year: 2013
Published on: 02 April, 2013
Page: [670 - 680]
Pages: 11
DOI: 10.2174/1566524011313040015
Price: $65

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