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06:47
Isolation and Analysis of Plasma Lipoproteins by Ultracentrifugation
Published on: January 28, 2021
Plasma apolipoprotein A5 and triglycerides in type 2 diabetes
G M Dallinga-Thie1, A van Tol, H Hattori
1Department of Vascular Medicine and Metabolism, Room Bd 277, Erasmus Medical Center Rotterdam, PO Box 2040, 3000 CA, Rotterdam, The Netherlands. g.dallinga@erasmusmc.nl
Diabetologia
|June 6, 2006
Summary
Apolipoprotein A5 (APOA5) levels are linked to triglycerides in type 2 diabetes. Atorvastatin reduced APOA5, but APOA5 is not a key driver of triglyceride levels in these patients.
Area of Science:
- Biochemistry
- Genetics
- Endocrinology
Background:
- Apolipoprotein A5 (APOA5) gene variations are linked to high triglyceride levels.
- The precise role of plasma APOA5 concentrations in triglyceride homeostasis remains unclear.
- Understanding APOA5's role is crucial for managing dyslipidemia in type 2 diabetes.
Purpose of the Study:
- To investigate plasma APOA5 levels in type 2 diabetes patients.
- To assess the impact of atorvastatin treatment on plasma APOA5 and triglyceride levels.
- To determine the contribution of APOA5 to triglyceride metabolism.
Main Methods:
- Plasma APOA5 concentration was measured using ELISA in 215 type 2 diabetes patients.
- The study was part of the Diabetes Atorvastatin Lipid-lowering Intervention (DALI) trial.
- Patients received either 10 mg or 80 mg of atorvastatin daily for 30 weeks.
Main Results:
- Baseline plasma APOA5, APOC3, and APOE levels positively correlated with triglyceride levels.
- APOC3 was the primary determinant of triglyceride variation (52%), with APOA5 contributing only 6%.
- Atorvastatin treatment significantly reduced plasma triglycerides, APOA5, APOC3, and APOE.
Conclusions:
- Plasma APOA5 shows a positive association with triglycerides in type 2 diabetes.
- Atorvastatin effectively lowers triglycerides, APOA5, APOC3, and APOE.
- APOA5 is not a major determinant of triglyceride metabolism, unlike APOC3, in this patient group.
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