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PURPOSE OF REVIEW: Abundant data in rodents suggest an important role for peroxisomal proliferators-activated receptor-delta (PPARdelta) in regulating skeletal muscle fatty acid oxidation and this has consequences for lipid and lipoprotein metabolism. Considerably less is known in humans and this review will focus on evidence derived from studies of the PPARD gene and pharmacological use of specific PPARdelta agonists. RECENT FINDINGS: Genetic association studies of single-nucleotide polymorphisms in the PPARD gene have only provided negative or conflicting evidence for gross phenotypes such as obesity, hyperlipidaemia and type 2 diabetes. This does not exclude more subtle effects in skeletal muscle metabolic function, but studies of this type need replication. A couple of recent studies using the specific PPARdelta agonist GW501516 suggest potent hypolipidaemic actions, presumably caused by enhanced fat oxidation in skeletal muscle. SUMMARY: Considering the hypolipidaemic effect in humans by PPARdelta agonists, long-term studies are needed to confirm efficacy and safety.

Original publication




Journal article


Curr Opin Lipidol

Publication Date





333 - 336


Animals, Fatty Acids, Genetic Variation, Humans, Hyperlipoproteinemias, Lipid Metabolism, Lipoproteins, LDL, Lipoproteins, VLDL, PPAR delta, Phenotype, Thiazoles