GS patients carry variants in the gene encoding for the enzyme responsible of converting unconjugated bilirubin into conjugated bilirubin, the uridine diphosphoglucuronate-glucuronosyltransferase 1A1 (UGT1A1) (Thoguluva Chandrasekar et al., 2022). Here, UGT1A1 is linked to Gerstmann syndrome.