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Fetal anomalies v1.265 CSMD1 Zornitza Stark Marked gene: CSMD1 as ready
Fetal anomalies v1.265 CSMD1 Zornitza Stark Gene: csmd1 has been classified as Green List (High Evidence).
Fetal anomalies v1.265 CSMD1 Zornitza Stark Classified gene: CSMD1 as Green List (high evidence)
Fetal anomalies v1.265 CSMD1 Zornitza Stark Gene: csmd1 has been classified as Green List (High Evidence).
Fetal anomalies v1.264 CSMD1 Krithika Murali gene: CSMD1 was added
gene: CSMD1 was added to Fetal anomalies. Sources: Literature
Mode of inheritance for gene: CSMD1 was set to BIALLELIC, autosomal or pseudoautosomal
Publications for gene: CSMD1 were set to PMID: 38816421
Phenotypes for gene: CSMD1 were set to complex neurodevelopmental disorder MONDO:0100038
Review for gene: CSMD1 was set to GREEN
Added comment: Prenatal features reported include polyhydramnios, IUGR, preterm labour. Other reported features such as brain anomalies, arthrogryposis have the potential to be ascertained prenatally also.
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PMID 38816421 Werren et al 2024 report 8 individuals from 6 families with biallelic missense CSMD1 variants identified through exome sequencing and subsequent gene-sharing efforts. Shared phenotypic features included: GDD, ID, microcephaly and polymicrogyria. Other features included dysmorphism, IUGR, hypotonia, arthrogryposis, seizures, opthalmological anomalies and other brain white matter anomalies Heterozygous parents were unaffected.

Loss of function is the postulated mechanism based on experimental data involving early-stage forebrain organoids differentiated from CSMD1 knockout human embryonic stem cells. ClinGen haploinsufficiency score of 1, however, this curation was last reviewed in 2018. This gene is within the scope of review for the ClinGen Autism and ID GCEP.
Sources: Literature