Table 1.

Summary of the cases studied.

Case	Disease	Breed/sex	Type	Onset (months)	Age when videos are available (months)	Death (months)	Diagnosis	Gene	Mutation
1	NCL	CH/M	LJ	18	19, 22, 23	24	G, P	MFSD8	MFSD8:c.843delT chr19:13,010,759delT*
2	NCL	CH/M	LJ	16	18, 21	23E	G, P	MFSD8	MFSD8:c.843delT chr19:13,010,759delT*
3	NCL	BC/M	LJ	16	16	25E	G, P	CLN5	CLN5:c.619C>T chr22:30,574,637C>T*
4	NCL	BC/F	LJ	20	23	26	G	CLN5	CLN5:c.619C>T chr22:30,574,637C>T*
5	NCL	Shikoku/M	A	32	35, 44, 46, 47, 49, 51, 53, 65, 68	68E	P	ND	ND
6	GM2	TP/F	LJ	12	21	21E	G, P	HEXB	chr2:57,225,684delG*
7	GM2	TP/F	LJ	11	16, 16.5, 17, 17.5, 18, 18.5, 19	23	G, LE, TLC, P	HEXB	chr2:57,225, 684delG*
8	GM1	Shiba/M	J	5	5, 7	11E	G, P	GLB1	chr23:3,796, 317delC*
9	GM1	Shiba/F	J	6	6, 9	12	G	GLB1	chr23:3,796, 317delC*

NCL, neuronal ceroid lipofuscinosis; GM2, GM2 gangliosidosis; GM1, GM1 gangliosidosis; CH, Chihuahua; BC, Border Collie; TP, Toy Poodle; M, male; F, female; LJ, late-juvenile; A, adult; J, juvenile; E, euthanasia; G, genetic test; P, pathology; LE, leukocyte enzyme activity; TLC, thin-layer chromatography; ND, not determined.

^*CanFam 3.1.