Study of Fat Tissues in Men with Heart Disease
Author Information
Author(s): Guauque-Olarte Sandra, Gaudreault Nathalie, Piché Marie-Ève, Fournier Dominique, Mauriège Pascale, Mathieu Patrick, Bossé Yohan
Primary Institution: Centre de Recherche Institut Universitaire de Cardiologie et de Pneumologie de Québec, Laval University, Quebec, Canada
Hypothesis
The study aims to identify genes differentially regulated among epicardial, mediastinal, and subcutaneous adipose tissues and their relationship with cardiovascular diseases.
Conclusion
The study found that two genes involved in cardiovascular diseases, ADORA1 and PTGDS, were differentially up-regulated in epicardial adipose tissue compared to other fat tissues.
Supporting Evidence
- Twenty-three genes were up-regulated in epicardial adipose tissue compared to mediastinal adipose tissue.
- Seventy-three genes were up-regulated in epicardial adipose tissue compared to subcutaneous adipose tissue.
- Ninety-four genes were down-regulated in epicardial adipose tissue compared to subcutaneous adipose tissue.
- The expression of ADORA1 was significantly up-regulated in epicardial adipose tissue.
- PTGDS levels were significantly different in the three adipose tissue comparisons.
Takeaway
The study looked at fat tissues around the heart in men with heart disease and found that certain genes related to heart problems were more active in the fat near the heart.
Methodology
Gene expression was evaluated in three adipose depots using microarrays from samples collected during coronary artery bypass grafting surgeries.
Potential Biases
The study did not account for various cell types in the adipose tissues, which may affect gene expression levels.
Limitations
The study was limited to subjects with coronary artery disease, and the sample size for the microarray experiment was small.
Participant Demographics
The study involved 31 predominantly overweight men undergoing coronary artery bypass grafting.
Statistical Information
P-Value
0.0
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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