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Intellectual disability v8.190 GAP43 Achchuthan Shanmugasundram Added comment: Comment on publications: PMID:39738362 was identified by the Genomics England Applied Machine Learning (ML) team in a Biocuration-ML project for identifying new gene-disease associations using Natural Language Processing (NLP) and Generative AI techniques.
Intellectual disability v8.190 GAP43 Achchuthan Shanmugasundram Publications for gene: GAP43 were set to 39738362
Intellectual disability v8.189 GAP43 Achchuthan Shanmugasundram changed review comment from: PMID:39738362 reported the identification of a heterozygous missense variant in the GAP43 gene (p.(Glu146Lys)) in a 15-year-old female patient with moderate intellectual disability, neurodevelopmental disorders, short stature, and skeletal abnormalities such as left-right difference in legs and digital deformities.

The variant GAP43 protein was found to be unstable in neuronal cells and the disruption of Gap43 in mouse embryonic cortical neurons impaired axonal elongation and dendrite formation.

There were six previous cases reported with GAP43 abnormalities (3 involving deletion of a region including GAP43, two siblings with duplication and one SNV). Only one of the siblings with region duplication had moderate ID, while the other sibling and another patient with region deletion had mild ID.
Sources: Literature; to: PMID:39738362 reported the identification of a heterozygous missense variant in the GAP43 gene (p.(Glu146Lys)) in a 15-year-old female patient with moderate intellectual disability, neurodevelopmental disorders, short stature, and skeletal abnormalities such as left-right difference in legs and digital deformities.

The variant GAP43 protein was found to be unstable in neuronal cells and the disruption of Gap43 in mouse embryonic cortical neurons impaired axonal elongation and dendrite formation.

There were six previous cases reported with GAP43 abnormalities (3 involving deletion of a region including GAP43, two siblings with duplication and one SNV). Only one of the siblings with region duplication had moderate ID, while the other sibling and another patient with region deletion had mild ID.

This gene has not yet been associated with phenotypes either in OMIM or in Gene2Phenotype.
Sources: Literature
Intellectual disability v8.188 GAP43 Achchuthan Shanmugasundram changed review comment from: PMID:39738362 reported the identification of a heterozygous missense variant in the GAP43 gene (p.(Glu146Lys)) in a 15-year-old female patient with moderate intellectual disability, neurodevelopmental disorders, short stature, and skeletal abnormalities such as left-right difference in legs and digital deformities.

The variant GAP43 protein was found to be unstable in neuronal cells and the disruption of Gap43 in mouse embryonic cortical neurons impaired axonal elongation and dendrite formation.

There were six previous cases reported with GAP43 abnormalities (4 involving deletion of a region including GAP43, one duplication and one SNV). Only one of these cases with region deletion had moderate ID, while two others had mild ID.
Sources: Literature; to: PMID:39738362 reported the identification of a heterozygous missense variant in the GAP43 gene (p.(Glu146Lys)) in a 15-year-old female patient with moderate intellectual disability, neurodevelopmental disorders, short stature, and skeletal abnormalities such as left-right difference in legs and digital deformities.

The variant GAP43 protein was found to be unstable in neuronal cells and the disruption of Gap43 in mouse embryonic cortical neurons impaired axonal elongation and dendrite formation.

There were six previous cases reported with GAP43 abnormalities (3 involving deletion of a region including GAP43, two siblings with duplication and one SNV). Only one of the siblings with region duplication had moderate ID, while the other sibling and another patient with region deletion had mild ID.
Sources: Literature
Intellectual disability v8.188 GAP43 Achchuthan Shanmugasundram gene: GAP43 was added
gene: GAP43 was added to Intellectual disability. Sources: Literature
Mode of inheritance for gene: GAP43 was set to MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
Publications for gene: GAP43 were set to 39738362
Phenotypes for gene: GAP43 were set to neurodevelopmental disorder, MONDO:0700092; intellectual disability, MONDO:0001071
Review for gene: GAP43 was set to RED
Added comment: PMID:39738362 reported the identification of a heterozygous missense variant in the GAP43 gene (p.(Glu146Lys)) in a 15-year-old female patient with moderate intellectual disability, neurodevelopmental disorders, short stature, and skeletal abnormalities such as left-right difference in legs and digital deformities.

The variant GAP43 protein was found to be unstable in neuronal cells and the disruption of Gap43 in mouse embryonic cortical neurons impaired axonal elongation and dendrite formation.

There were six previous cases reported with GAP43 abnormalities (4 involving deletion of a region including GAP43, one duplication and one SNV). Only one of these cases with region deletion had moderate ID, while two others had mild ID.
Sources: Literature