Symptom Information: Sort according to HPO 

1
(HPO:0001249) Intellectual disability 1089 / 7739
2
(HPO:0001250) Seizures 1245 / 7739
3
(HPO:0002180) Neurodegeneration 31 / 7739
4
(HPO:0002376) Developmental regression 74 / 7739
5
(OMIM) Developmental regression, severe 1 / 7739
6
(MedDRA:10061296) Motor dysfunction 4 / 7739
7
(OMIM) Disturbed myelination affecting the periventricular and subcortical white matter 1 / 7739
8
(OMIM) Brain MRS shows reduced choline and inositol peaks in the parieto-occipital white matter 1 / 7739
9
(OMIM) Decreased CSF methyltetrahydrofolate (MTHF) 1 / 7739
10
(HPO:0000007) Autosomal recessive inheritance 2538 / 7739