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Clinical relevance of polymorphic markers of arterial thrombosis
G Di Minno1, E Grandone, M Margaglione
1Chair of Geriatrics, University of Palermo, Italy.
Insights
Genetic variations (polymorphisms) in atherosclerosis and thrombosis genes are linked to vascular events. While clinical impact is debated, their pathophysiological roles are clearer, suggesting future applications in vascular medicine.
Area of Science:
- Genetics
- Vascular Medicine
- Molecular Biology
Background:
- Common gene polymorphisms involved in atherosclerosis and thrombosis are frequently observed in patients with cardiovascular or cerebrovascular events.
- Existing evidence on the clinical significance of these polymorphic markers is conflicting, with prospective studies often disputing findings from case-control and cross-sectional studies.
Purpose of the Study:
- To evaluate the pathophysiological implications of gene polymorphisms in vascular diseases.
- To explore the potential role of these genetic markers in monitoring complex physiological parameters.
- To assess the overall impact of polymorphic markers in the field of vascular medicine.
Main Methods:
- Review and synthesis of evidence from case-control, cross-sectional, and prospective studies.
- Analysis of genetic variations (polymorphisms) in genes related to atherosclerosis and thrombosis.
- Evaluation of reported associations between polymorphisms and vascular events.
Main Results:
- Pathophysiological roles of many gene polymorphisms are well-documented.
- Clinical impact of most polymorphic markers remains disputed by prospective data.
- Polymorphisms may offer unique insights into monitoring parameters not easily assessed otherwise.
Conclusions:
- Gene polymorphisms show potential for future applications in vascular medicine.
- Further large-scale prospective studies are needed to confirm their utility.
- Future research must consider geographical diversity, statistical power, marker informativeness, and population-specific genetic backgrounds.
Abstract:
Case-control and cross-sectional studies show that some common molecular variations (polymorphisms) of genes coding for proteins involved in atherosclerosis and thrombosis are often present in subjects who have experienced cerebrovascular or cardiovascular events. The clinical impact of the majority of polymorphic markers is disputed by prospective reports. In contrast, their pathophysiological implications and their role in monitoring parameters that are difficult to be checked by alternative means, are documented by the large majority of the reports. From the evidence available, there may be suggestion for further impact of polymorphic markers in vascular medicine. To substantiate this, new prospective studies that include individuals from different geographical areas and that take into account the statistical power, the informativeness of the markers, the coexistance of established risk factors and the genetic background of the populations analyzed, are urgently needed.