Peroxisome proliferator-activated receptor-alpha (PPARalpha): at the crossroads of obesity, diabetes and cardiovascular disease.

Cardiovascular disease is the leading cause of morbidity and mortality world-wide. The burden of disease is also increasing as a result of the global epidemics of diabetes and obesity. Peroxisome proliferator-activated receptor alpha (PPARalpha), a member of this nuclear receptor family, has emerged as an important player in this scenario, with evidence supporting a central co-ordinated role in the regulation of fatty acid oxidation, lipid and lipoprotein metabolism and inflammatory and vascular responses, all of which would be predicted to reduce atherosclerotic risk. Additionally, the Fenofibrate Intervention and Event Lowering in Diabetes (FIELD) study has indicated the possibility of preventive effects in diabetes-related microvascular complications, although the mechanisms of these effects warrant further study. The multimodal pharmacological profile of PPARalpha has prompted development of selective PPAR modulators (SPPARMs) to maximise therapeutic potential. It is anticipated that PPARalpha will continue to have important clinical application in addressing the major challenge of cardiometabolic risk associated with type 2 diabetes, obesity and metabolic syndrome.