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Lipid profile and apolipoprotein E polymorphism in essential hypertension.
A B Bhavani1, K B Sastry, N Krishna Reddy
1Departments of Genetics and Cardiology, Osmania University and CARE Hospital, Hyderabad.
Indian Heart Journal
|July 15, 2005
Summary
The apolipoprotein E (APOE) epsilon4 allele is linked to a higher risk of developing hypertension and is associated with elevated cholesterol levels. Further research is needed to confirm APOE
Area of Science:
- Genetics
- Cardiovascular Disease Research
- Metabolic Disorders
Background:
- Genetic variations in apolipoprotein E (APOE) influence atherosclerosis and cardiovascular diseases.
- The role of APOE polymorphism in essential hypertension development requires further investigation.
- This study explores the association between APOE genotypes and hypertension, considering lipid profiles.
Purpose of the Study:
- To determine the association between essential hypertension and apolipoprotein E genotypes.
- To investigate the correlation between APOE genotypes and serum lipid levels.
- To understand potential interactions between APOE genotypes and lipid profiles in hypertension.
Main Methods:
- Case-control study design involving 185 patients and 200 controls.
- Apolipoprotein E genotyping performed using polymerase chain reaction and Hha I enzymatic digestion.
- Logistic regression analysis used to calculate multivariate-adjusted odds of hypertension.
Main Results:
- The epsilon4 allele of APOE was significantly more prevalent in hypertensive patients (12.16%) compared to controls (5.75%).
- Carriers of the epsilon4 allele demonstrated a twofold increased risk of developing hypertension (p<0.05).
- Patients with the epsilon4 allele exhibited higher total cholesterol and LDL-cholesterol levels than non-carriers.
Conclusions:
- A significant association exists between the apolipoprotein E locus, hypertension, and lipid profiles.
- The epsilon4 allele of APOE is a potential risk factor for hypertension.
- Larger population-based studies are recommended to elucidate the precise role of APOE in hypertension etiology.