obesogen


obesogen

An exogenous substance that alters lipid homeostasis and fat storage, changes metabolic setpoints, disrupts energy balance or modifies the regulation of appetite and satiety, promoting fat accumulation and obesity.
Mechanisms of action
Alteration of metabolic sensing, neuroendocrine effects, cell signalling, dysregulation of steroid hormones.
Obesogens
Pharmaceutical obesogens
• Metabolic sensors—Act on PPAR-gamma receptor (e.g., thiazolidinediones, rosiglitazone);
• Sex steroid dysregulation—DES caused obesity in adults;
• Central—Act on neurotransmitter receptors (e.g., SSRIs, antidepressants).
Environmental obesogens
• Organotin;
• Xernobiotics.