Genetic and epigenetic mechanisms and their possible role in abdominal aortic aneurysm
Krishna, Smriti M., Dear, Anthony E., Norman, Paul E., and Golledge, Jonathan (2010) Genetic and epigenetic mechanisms and their possible role in abdominal aortic aneurysm. Atherosclerosis, 212 (1). pp. 16-29.
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Abdominal aortic aneurysm (AAA) is a common disease associated with significant cardiovascular morbidity and mortality. The pathogenesis of AAA is poorly defined, making targeting of new therapies problematic. Current evidence favours an interaction of multiple environmental and genetic factors in the initiation and progression of AAA. Epigenetics is the term used to define the properties of the genome that are not explained by the primary sequence, but are due to the modifications of DNA and/or associated proteins. Previous research indicates the association of gene specific promoter DNA hyper-methylation and global DNA hypo-methylation with atherosclerosis. Evidence also suggests an important role for epigenetic processes such as histone acetylation in cardiovascular diseases including atherosclerosis and restenosis. Altered DNA methylation or histone acetylation occur in inflammation, cellular proliferation and remodelling processes and therefore maybe relevant to the pathology of AAA. Important risk factors for AAA, including cigarette smoking, older age, male gender and hypertension, have been linked with epigenetic effects and thus could act in this way to promote AAA. In this review, we discuss the potential role of epigenetic mechanisms in AAA. Since epigenetic alterations are to some extent reversible, further study of this area may identify new treatment targets for AAA.
|Item Type:||Article (Refereed Research - C1)|
|Keywords:||abdominal aortic aneurysm, epigentics, DNA methylation, histone modifications, epigentic therapy|
|FoR Codes:||11 MEDICAL AND HEALTH SCIENCES > 1102 Cardiovascular Medicine and Haematology > 110201 Cardiology (incl Cardiovascular Diseases) @ 100%|
|SEO Codes:||92 HEALTH > 9201 Clinical Health (Organs, Diseases and Abnormal Conditions) > 920103 Cardiovascular System and Diseases @ 100%|
|Deposited On:||13 Oct 2010 12:25|
|Last Modified:||18 Oct 2013 01:06|
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