NRs such as the GR (dexamethasone), RXR (bexarotene and alitretinoin), PPARα (fibrates), and PPARγ (thiazolidinediones) have already been successfully targeted by approved drugs for treating autoimmunity, cancer, hyperlipidemia, or type 2 diabetes, respectively. The gene discussed is PPARA; the disease is Autoimmunity.