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Related Experiment Videos

Marine lipids normalize cholesteryl ester transfer in IDDM

J D Bagdade1, M Ritter, P V Subbaiah

  • 1Section of Endocrinology Rush Medical College, Chicago, IL 60612, USA.

Diabetologia
|April 1, 1996
PubMed
Summary
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Omega-3 fatty acids from marine lipids significantly reduced cholesteryl ester transfer (CET) in patients with insulin-dependent diabetes mellitus (IDDM). This intervention improved lipoprotein atherogenicity without affecting glycemic control.

Area of Science:

  • Cardiovascular Medicine
  • Endocrinology
  • Nutritional Science

Background:

  • Insulin-dependent diabetes mellitus (IDDM) is associated with increased cholesteryl ester transfer (CET), leading to more atherogenic lipoproteins.
  • Omega-3 (n-3) fatty acids from marine lipids have previously normalized CET and lipoprotein composition in hypercholesterolemic patients.

Purpose of the Study:

  • To investigate the effects of n-3 fatty acids on CET and lipoprotein metabolism in patients with IDDM.

Main Methods:

  • Nine normolipidemic IDDM patients received 4.6 g/day of n-3 fatty acids for 2 months.
  • CET was measured using mass and isotopic assays before and after treatment.
  • Lipid profiles and fructosamine levels were monitored.

Main Results:

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  • CET was significantly reduced (mass assay: -97%; isotopic assay: -58%) after n-3 fatty acid supplementation (p < 0.001).
  • Triglyceride levels decreased modestly (-14%; p < 0.05).
  • Glycemic control (fructosamine) remained unchanged, despite a paradoxical increase in cholesteryl ester transfer protein mass.

Conclusions:

  • Marine lipids effectively reverse accelerated CET in IDDM patients.
  • N-3 fatty acids may serve as an adjunctive therapy for IDDM, improving lipoprotein atherogenicity without impacting glycemic control.