CRISPR/Cas9 endonuclease-mediated genome editing was used to insert a cassette containing the Alb promoter, the mouse Golm1 cDNA and a polyA into the locus (approximately 0.7 kb 5' of the Eif4enif1 gene and approximately 4.5 kb 3' of the Drg1 gene). (J:306528)