Research Article

[Retracted] A novel TUBG1 mutation with neurodevelopmental disorder caused by malformations of cortical development

Table 1

Genotype and phenotype information of 13 previously reported TUBG1 variants.

CaseSexAge at follow-upMutationMode of inheritanceEpilepticIntellectual disabilitySpeech delayCortical dysgenesis (MRI)

This studyFemale8 years and 9 monthsc.751A > T, p.Asn251TyrDe novoYesSevereCan repeat words, cannot count or communicateBilateral thickening of the Guri of the lobes of the cerebral hemispheres, the cortex
Patient 1Female21 yearsc.1160 T >  C; p.Leu387ProDe novoYesSevereNot availableSevere posterior predominant pachygyria/agyria (posterior agyria, frontal pachygyria), thickened cortex
Patient 2Male18 monthsc.275A > G; p.Tyr92CysDe novoYesSevereNot availableSevere posterior predominant pachygyria/agyria (posterior agyria, frontal pachygyria), thickened cortex
Patient 3Female31 yearsc.991A >  C; p.Thr331ProFather’s DNA not availableYesModerateNot availablePosterior pachygyria, moderate posterior subcortical band heterotopia
Patient 4Male33 yearsc.63C > A; p.Phe21LeuDe novoNoSevereOnly sounds, no speechPosterior predominant pachygyria (posterior frontal lobe and parieto-occipital cortex)
Patient 5Male21 yearsc.985G > T; p.Asp329TyrFather’s DNA not availableYesSevereNonverbalDiffuse agyria
Patient 6Female19 monthsc.776C > T; p.Ser259LeuDe novoYesNot availableDelayedPosterior predominant pachygyria (mild over frontal lobes, moderate over posterior lobes), cortex 10-13 mm thick
Patient 7Female14 yearsc.776C > T; p.Ser259LeuDe novoYesNot availableNonverbalPosterior predominant pachygyria, sparse cells over occipital lobes, cortex 13-15 mm thick
Patient 8Female11 years and 6 monthsc.776C >  T; p.Ser259LeuGermline mosaicism in parentYesModerate50 wordsPosterior predominant pachygyria (mild over frontal lobe, moderate over temporal and occipital lobes), cortex 6-13 mm thick
Patient 9Male9 years and 6 monthsc.776C > T; p.Ser259LeuGermline mosaicism in parentYesModerateNonverbalPosterior predominant pachygyria (mild over frontal lobe, moderate over temporal and occipital lobes), cortex >15 mm thick
Patient 10Male15 yearsc.769A > T; p.Ile257PheDe novoYesModerate5 word sentencesPosterior predominant pachygyria (almost normal over frontal lobes, pachygyria over perisylvian and occipital lobes), cortex 6-10 mm thick
Patient 11Female18 monthsc.776C > T; p.Ser259LeuDe novoYesSevereNonverbalPosterior predominant pachygyria (mild over frontal lobe, moderate over temporal and occipital lobe, deep parietal lobe infolding)
Patient 12Female10 yearsc.202G > A; p.Asp68AsnDe novoNoModerateNormalPosterior predominant pachygyria, band heterotopia, nodular heterotopia
Patient 13Male6 monthsc1021C > T; p.Arg341TrpDe novoYesModerate global delayModerate global delayReduced cortical sulci and gyri