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Differential effects of long-chain fatty acids and clofibrate on gene expression profiles in cardiomyocytes.

Khodadadi, I, Griffin, B and Thumser, A (2008) Differential effects of long-chain fatty acids and clofibrate on gene expression profiles in cardiomyocytes. Arch Iran Med, 11 (1). 42 - 49. ISSN 1029-2977

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Abstract

Background: The link between dietary fat and coronary heart disease has attracted much attention since the effect of long-chain fatty acids on gene transcription has been established. The aim of this study was to investigate the effects of long-chain fatty acids and clofibrate on mRNA levels of specific lipid metabolism-related genes and to determine their effects on global transcriptome levels in a cardiovascular cell-line.

Methods: After culturing P19CL6 cells with long-chain fatty acids or clofibrate, the expression levels of heart-type fatty-acid binding protein and peroxisome proliferators-activated receptors (PPARα,β,γ) were determined by reverse transcriptase-polymerase chain reaction. Additionally, global transcriptome profiles were compared using microarray analysis.

Results: Long-chain fatty acids significantly increased the abundance of PPARα and PPARγ. Moreover, microarray analysis showed that the effects of linoleic and α-linolenic acids, and clofibrate were similar but differed from those of palmitic and oleic acids.

Conclusion: These findings show that cellular responses to polyunsaturated fatty acids differ from those observed with saturated and monounsaturated fatty acids.

Item Type: Article
Uncontrolled Keywords: Analysis of Variance, Cells, Cultured, Clofibrate, Fatty Acids, Gene Expression Regulation, Myocytes, Cardiac, Reverse Transcriptase Polymerase Chain Reaction, Transcription Factors
Divisions: Faculty of Health and Medical Sciences > Biochemistry and Physiology
Depositing User: Mr Adam Field
Date Deposited: 27 May 2010 14:46
Last Modified: 23 Sep 2013 18:36
URI: http://epubs.surrey.ac.uk/id/eprint/1954

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