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Published on: November 10, 2017
Diet, lipoproteins and cholesteryl ester transfer activity in hyperlipidaemic subjects
J E Groener1, D M Jacobs, A J van Rozen
1Dept. of Internal Medicine, University Hospital Catharijnesingel 3511 GV Utrecht, Netherlands.
Clinical Nutrition (Edinburgh, Scotland)
|February 1, 1985
Summary
Dietary fat intake significantly impacts cholesteryl ester transfer activity (CETA) in hyperlipidaemic patients. Changes in CETA levels closely mirrored alterations in very-low-density lipoprotein (VLDL) and low-density lipoprotein (LDL) cholesterol due to diet.
Area of Science:
- Lipid Metabolism and Cardiovascular Health
- Nutritional Biochemistry
- Clinical Nutrition
Background:
- Hyperlipidemia is a significant risk factor for cardiovascular diseases.
- Cholesteryl ester transfer activity (CETA) plays a crucial role in lipoprotein metabolism.
- Dietary interventions are fundamental in managing hyperlipidemia.
Purpose of the Study:
- To investigate the impact of dietary fat modifications on CETA in hyperlipidaemic individuals.
- To determine the relationship between plasma lipoprotein levels and CETA in response to dietary changes.
Main Methods:
- A longitudinal study involving five hyperlipidaemic patients.
- Patients were subjected to a low-fat diet followed by a high-fat diet.
- Daily measurements of plasma lipoprotein profiles and cholesteryl ester transfer activity (CETA).
Main Results:
- The low-fat diet led to a decrease in total cholesterol and triglycerides in all patients.
- A high-fat diet did not elicit a significant response, except in one patient on a high-energy, high-fat diet.
- Observed changes in CETA paralleled alterations in (VLDL + LDL) cholesterol levels across all subjects.
Conclusions:
- Diet-induced modifications in (VLDL + LDL) cholesterol are associated with corresponding changes in CETA in hyperlipidaemic individuals.
- CETA appears to be sensitive to dietary fat intake and associated lipid profile changes in this patient group.
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