Alagille Syndrome 1, also known as alagille syndrome, is related to cholestasis and biliary atresia. An important gene associated with Alagille Syndrome 1 is JAG1 (Jagged Canonical Notch Ligand 1), and among its related pathways/superpathways are Gene expression (Transcription) and Infectious disease. The drugs Benzocaine and Atorvastatin have been mentioned in the context of this disorder. Affiliated tissues include Head Mesenchyme, Liver and heart, and related phenotypes are failure to thrive and hepatomegaly