A systematic review of cognitive and behavioural symptoms in CTNNB1 syndrome

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dc.contributor.authorPallarès Sastre, Mercè
dc.contributor.authorAmayra Caro, Imanol
dc.contributor.authorSalgueiro, Monika
dc.contributor.authorVillanueva Viar, Elena
dc.contributor.authorLasa Aranzasti, A
dc.contributor.authorGarcía Martín, Maitane
dc.date.accessioned2026-08-03T06:51:18Z
dc.date.available2026-08-03T06:51:18Z
dc.date.issued2026-03-01
dc.date.updated2026-08-03T06:51:18Z
dc.description.abstractCTNNB1 syndrome is a rare neurodevelopmental disorder caused by a likely pathogenic or pathogenic variant in the CTNNB1 gene. A systematic review was conducted to examine previous research that provided CTNNB1 syndrome patients, specifically those that described intellectual quotient, motor development, language impairments, behavioural problems and features of autism. Databases examined were PubMed and Scopus. The inclusion criteria were (a) reported human patients diagnosed with CTNNB1 syndrome by a genetic test; (b) were related to cognition, intelligence quotient, motor development, language impairment, behavioural problems or features of autism; (c) did not have another genetic diagnosis and (d) were written in Spanish or English. A total of 42 studies were included. Overall, the symptomatology described was very heterogeneous with varying degrees of impairment among patients. However, individuals reached most significant developmental milestones later than expected and with different degrees of impairment. The use of standardised methodology to assess cognitive and behavioural domains was scarce in most studies, and the vast majority did not include a specific assessment protocol based on the symptomatology of CTNNB1 syndrome individuals. In addition, only two adult patients were described in depth, which implies that there are many unknowns about the progression of the syndrome later in life. Therefore, future research should focus on increasing the sample assessed and count with a standardised protocol in order to characterise the cognitive and behavioural phenotype of CTNNB1 syndrome.en
dc.description.sponsorshipThis study was funded by a grant from the Ministry of Sciences, Innovation and Universities of Spain “Formación Profesorado Universitario” (FPU22/00391 to Mercè Pallarès)en
dc.identifier.citationPallarès-Sastre, M., Amayra, I., Salgueiro, M., Villanueva-Viar, E., Lasa-Aranzasti, A., & García, M. (2026). A systematic review of cognitive and behavioural symptoms in CTNNB1 Syndrome. Neuropsychology Review, 36(1), 61-84. Springer. https://doi.org/10.1007/S11065-025-09660-Y
dc.identifier.doi10.1007/S11065-025-09660-Y
dc.identifier.eissn1573-6660
dc.identifier.issn1040-7308
dc.identifier.urihttps://hdl.handle.net/20.500.14454/6444
dc.language.isoeng
dc.publisherSpringer
dc.rights© The Author(s) 2025
dc.subject.otherCTNNB1 syndrome
dc.subject.otherFeatures of autism
dc.subject.otherIntellectual disability
dc.subject.otherLanguage impairments
dc.subject.otherNeurodevelopmental disorder
dc.titleA systematic review of cognitive and behavioural symptoms in CTNNB1 syndromeen
dc.typereview article
dcterms.accessRightsopen access
oaire.citation.endPage84
oaire.citation.issue1
oaire.citation.startPage61
oaire.citation.titleNeuropsychology Review
oaire.citation.volume36
oaire.licenseConditionhttps://creativecommons.org/licenses/by/4.0/
oaire.versionVoR
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