Fish Physiology and Biochemistry

, Volume 41, Issue 2, pp 331–343 | Cite as

Effects of lipid-lowering pharmaceutical clofibrate on lipid and lipoprotein metabolism of grass carp (Ctenopharyngodon idellal Val.) fed with the high non-protein energy diets

  • Xiaoze Guo
  • Xu-Fang Liang
  • Liu Fang
  • Xiaochen Yuan
  • Yi Zhou
  • Shan He
  • Dan Shen


This study investigated the effects of clofibrate treatment on blood lipids, hepatic enzyme activities and relative expression of genes involved in lipid metabolism of grass carp fed with high non-protein energy diets. For that purpose, five diets were formulated: a commercial-like diet (Control), a high-carbohydrate diet (HC), a high-fat diet (HF) and two diets identical to the HC and HF diets, but supplemented with 1.25 g kg−1 clofibrate (HC + Clo and HF + Clo diets). Grass carp fed the HC and HF diet exhibited increases in blood lipids and body fat compared with the control group after 4 weeks. In the clofibrate treatment groups, there was a marked decrease in triacylglycerol and cholesterol concentrations of plasma, and total lipids of the whole body, mesentery adipose tissue and liver tissue. Fish treated with clofibrate exhibited increased hepatic acyl-CoA oxidase activity, but did not show any changes in carnitine palmitoyltransferase (CPT) I activity compared with HC and HF diets without clofibrate. Clofibrate treatment had no effect on peroxisome proliferator-activated receptor alpha and CPT I mRNA expression. However, there was an increase in lipoprotein lipase expression in the clofibrate-treated groups. In addition, the relative mRNA expression levels of hepatic de novo lipogenic enzymes (fatty acid synthetase and acetyl coenzyme-A carboxylase) were significantly higher in the fish fed the HC diet than those of other groups, and clofibrate inhibited this increase. These results suggest that clofibrate has the hypolipidaemic effects and affects lipid metabolism in grass carp.


Grass carp Clofibrate High non-protein energy diets Lipid metabolism Gene expression 



This work was financially supported by the National Natural Science Foundation of China (31272641 and 31172420), the National Basic Research Program of China (2014CB138601), the Special Fund for Agro-Scientific Research in the Public Interest of China (201003020) and the Fundamental Research Funds for the Central Universities (2011PY030).

Conflict of interest

The authors declare that they do not have any conflict of interest.


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Copyright information

© Springer Science+Business Media Dordrecht 2014

Authors and Affiliations

  • Xiaoze Guo
    • 1
    • 2
  • Xu-Fang Liang
    • 1
  • Liu Fang
    • 1
  • Xiaochen Yuan
    • 1
  • Yi Zhou
    • 1
  • Shan He
    • 1
  • Dan Shen
    • 1
  1. 1.College of Fisheries, Key Lab of Freshwater Animal Breeding, Ministry of Agriculture, Huazhong Agricultural UniversityHubei Collaborative Innovation Center for Freshwater AquacultureWuhanChina
  2. 2.Key Lab of Animal Resources Innovation and Nutrition, Institute of Animal SciencesJangxi Academy of Agricultural SciencesNanchangChina

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