Table 3

List of patients with variants found in genes previously associated with neurodevelopmental phenotype

ProbandGeneLocationNM numbercDNAProteinRelated phenotypeReference
5ZNF238chr1:244217659NM_006352c.C556Tp.(R186X)ID; 1q43q44 deletion syndrome17, 18
7TCF4chr18:52996207–53243605Microdeletion encompassing 4 exonsPitt-Hopkins syndrome19, 20
8EIF2B2chr14:75470349NM_014239c.C380Tp.(A127V)Leucoencephalopathy with vanishing white matter21
14STXBP1chr9:130425592NM_001032221c.T538Cp.(C180R)Early infantile epileptic encephalopathy22, 23
15SLC35A2chrX:48762414NM_001042498c.G772Ap.(V258M)Early onset epileptic encephalopathy; Congenital disorder of glycosylation type II23, 24
17EEF1A2chr20:62127259NM_001958c.G274Ap.(A92T)ID and epilepsy6, 25
19SHROOM4chrX:50378637NM_020717c.C436Tp.(R146W)Stocco dos Santos syndrome26
  • ID, intellectual disability.