For example, if “Parkinson's disease” is entered, the list of validated miRNAs and targets returned are: has-miR-1:BDNF; has-miR-27b:CYP1B1; has-miR-433:FGF20; miR-124:CYP1B1; has-miR-1:GCH1; has-miR125b:CYP1A1. This evidence concerns the gene CYP1B1 and Parkinson disease.