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Investigating Aortic Valve Calcification via Isolation and Culture of T Lymphocytes using Feeder Cells from Irradiated Buffy Coat
Published on: February 4, 2021
Epidemiology and genetics of calcific aortic valve disease
1Division of Cardiology, University of Washington, Seattle, WA 98195-6422, USA. cardiac@u.washington.edu
Insights
Calcific aortic valve disease, common in the elderly, lacks proven pharmacologic treatments. Research explores novel risk factors and genetics, suggesting nonatherosclerotic pathways for new therapeutic strategies.
Area of Science:
- Cardiology
- Geriatrics
- Genetics
Background:
- Calcific aortic valve disease (CAVD) is a prevalent condition in older adults, leading to significant illness and death.
- While lipoproteins and the renin-angiotensin system are implicated, no drug has proven effective in slowing CAVD progression in controlled trials.
Purpose of the Study:
- To review the stages of calcific aortic valve disease.
- To discuss advanced imaging techniques for early detection.
- To summarize current knowledge on risk factors, including genetics, and potential therapeutic targets.
Main Methods:
- Literature review of calcific aortic valve disease stages and epidemiology.
- Analysis of studies utilizing non-echocardiographic imaging, such as cardiac CT.
- Synthesis of research on novel risk factors (metabolic syndrome, inflammation) and genetic influences.
Main Results:
- Cardiac computed tomography aids in identifying early-stage disease.
- Metabolic syndrome, inflammation, and genetic factors play significant roles.
- Nonatherosclerotic pathways are increasingly recognized in CAVD pathogenesis.
Conclusions:
- Understanding CAVD progression requires considering diverse factors beyond traditional atherosclerosis.
- Genetic polymorphisms and single-gene defects offer insights into disease mechanisms.
- Novel therapeutic strategies targeting unique nonatherosclerotic pathways are promising for CAVD treatment.
Abstract:
Calcific aortic valve disease is a common condition in the elderly and is associated with significant morbidity and mortality. Although biologically plausible roles in disease pathogenesis have been proposed for both lipoproteins and the renin-angiotensin system, no properly controlled, randomized trials have demonstrated that any pharmacologic therapy slows development of the disease. This review defines the stages of calcific aortic valve disease; discusses the role of nonechocardiographic techniques, such as cardiac computed tomography, that may allow identification and study of earlier-stage disease; reviews associated epidemiologic factors; and summarizes recent studies of "novel" risk factors, such as metabolic syndrome and inflammatory biomarkers. Finally, the role of genetics in this disease is receiving greater attention, and recent studies are reviewed that examine genetic polymorphisms and identify single-gene defects associated with this disease. Together these latter sets of studies emphasize that unique "nonatherosclerotic" factors can influence calcific aortic valve disease development, suggesting the possibility of novel therapeutic strategies for this condition.
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