Lei et al. reported that baicalin (20 and 40 mg/kg bodyweight) protected dopaminergic (DA) neurons against ROS-induced damage and downregulated the expression of Cebpb and Snca, and alleviated the 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP)-induced loss of substantia nigra DA neurons in PD mice. The gene discussed is CEBPB; the disease is Parkinson disease.