Dr Tom Hartl discusses his group's work with a mouse model that knocks out both GALT and GALK and the insights that this provides into classic galactosemia.Galactokinase 1 is the source of elevated galactose-1-phosphate and cerebrosides are modestly reduced in a mouse model of classic galactosemiaLinley Mangini, et alhttps://doi.org/10.1002/jmd2.12438