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Intellectual disability v9.21 RAB3A Sarah Leigh changed review comment from: Hengel et al (PMID: 40166812) report six heterozygous RAB3A variants which appear to be associated with a condition that includes cerebellar ataxia; pyramidal features; neurodevelopmental delay. Five of the variants were only seen in one family each, while (NM_002866.5) c.247C>T (p.Arg83Trp) was seen in 14 members from nine families. The age of onset of phenotypic features ranged from 3 months to adulthood. This gene is appropriate for the Hereditary ataxia with onset in adulthood panel as PMID: 40166812 states "The median age at onset was 26.5 (interquartile range (IQR) 22–32) with gait ataxia as the first symptom in all probands.", In addition, the authors also present supportive functional studies.; to: Hengel et al (PMID: 40166812) report six heterozygous RAB3A variants which appear to be associated with a condition that includes cerebellar ataxia; pyramidal features; neurodevelopmental delay. Five of the variants were only seen in one family each, while (NM_002866.5) c.247C>T (p.Arg83Trp) was seen in 14 members from nine families. The age of onset of phenotypic features ranged from 3 months to adulthood.

The neurodevelopmental disorder associated with variants towards the 3' end of the gene: (NM_002866.5) c.565G>T, p.(Glu189*) and c.628C>T, p.(Gln210*), included global developmental delay and learning disability (PMID: 40166812, table S4).

In addition, the authors also present supportive functional studies for the RAB3A variants.
Intellectual disability v9.21 RAB3A Sarah Leigh edited their review of gene: RAB3A: Changed rating: AMBER
Intellectual disability v9.21 RAB3A Sarah Leigh Tag Q2_25_ promote_green was removed from gene: RAB3A.
Tag Q2_25_ NHS_review was removed from gene: RAB3A.
Intellectual disability v9.21 RAB3A Sarah Leigh Entity copied from Hereditary ataxia with onset in adulthood v8.5
Intellectual disability v9.21 RAB3A Sarah Leigh gene: RAB3A was added
gene: RAB3A was added to Intellectual disability. Sources: Research,Expert Review Amber
Q2_25_ promote_green, Q2_25_ NHS_review tags were added to gene: RAB3A.
Mode of inheritance for gene: RAB3A was set to MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
Publications for gene: RAB3A were set to 36928819; 40166812
Phenotypes for gene: RAB3A were set to RAB3A associated cerebellar ataxia; pyramidal features; neurodevelopmental delay
Penetrance for gene: RAB3A were set to Complete