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The journal of nutrition, health & aging

, Volume 16, Issue 5, pp 482–490 | Cite as

Effects of margarine supplemented with T10C12 and C9T11 CLA on atherosclerosis and steatosis in apoE/LDLR -/- mice

  • Renata B. KostogrysEmail author
  • M. Franczyk-Żarow
  • E. Maslak
  • M. Gajda
  • Ł. Mateuszuk
  • S. Chłopicki
Article

Abstract

Objectives

The objective of this study was to evaluate functional effects of margarine supplemented with individual CLA isomers trans-10, cis-12 and cis-9, trans-11 in apoE/LDLR -/- mice.

Design

In LONG experiment (LONG), two-month old mice with no atherosclerosis were assigned to experimental groups and fed for the next 4 months. In SHORT experiment (SHORT), four-month old mice, with pre-established atherosclerosis, were assigned to experimental groups and fed for the next 2 months. The experimental diets were: ALN-93G (margarine), AIN-93G + 0.5% trans-10, cis-12 CLA (tl0cl2), and AIN-93G + 0.5% cis-9, trans-11 CLA (c9tll).

Results

In both experiments (LONG and SHORT), liver weight was significantly (P<0.05) increased in mice fed t110c12 CLA. Hepatic steatosis was found in animals fed t110c12 diet and no signs of the steatosis was observed in mice fed c9tll CLA. Dietary treatments with t110c12 CLA significantly increased total plasma cholesterol and plasma triacylglycerols. There were no isomer-specific effects of CLA isomers on area of atherosclerotic plaque in aortic root.

Conclusion

In conclusion, t110c12 CLA significantly increased liver weight in mice in LONG and SHORT experiments. Our results do not support the notion that CLA isomer supplementation to the margarine possess anti-atheroclerotic effect. Therefore, no isomer-specific effects of CLA on development of atherosclerosis were observed.

Key words

CLA isomers margarine apoE/LDLR -/- atherosclerosis liver 

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Copyright information

© Serdi and Springer Verlag France 2012

Authors and Affiliations

  • Renata B. Kostogrys
    • 1
    Email author
  • M. Franczyk-Żarow
    • 1
  • E. Maslak
    • 1
    • 4
  • M. Gajda
    • 2
  • Ł. Mateuszuk
    • 3
    • 4
  • S. Chłopicki
    • 3
    • 4
  1. 1.Department of Human Nutrition, Faculty of Food TechnologyAgricultural University of KrakówKrakowPoland
  2. 2.Department of HistologyJagiellonian University Medical CollegeKrakówPoland
  3. 3.Department of Experimental Pharamacology, Chair of PharmacologyJagiellonian University Medical CollegeKrakówPoland
  4. 4.Jagiellonian Centre for Experimental TherapeuticsJagiellonian UniversityKrakówPoland

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