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Severe microcephaly v2.293 TRIO Eleanor Williams Tag Q2_21_rating was removed from gene: TRIO.
Severe microcephaly v2.292 TRIO Sarah Leigh commented on gene: TRIO
Severe microcephaly v2.291 TRIO Eleanor Williams Source Expert Review Green was added to TRIO.
Rating Changed from Amber List (moderate evidence) to Green List (high evidence)
Severe microcephaly v2.158 TRIO Arina Puzriakova Classified gene: TRIO as Amber List (moderate evidence)
Severe microcephaly v2.158 TRIO Arina Puzriakova Added comment: Comment on list classification: New gene added by Zornitza Stark. There is sufficient evidence to promote this gene to Green status at the next GMS panel update - microcephaly of relevant severity to this panel is observed in at least 12 unrelated families with TRIO variants. Pathogenicity is supported by functional data and animal model.
Severe microcephaly v2.158 TRIO Arina Puzriakova Gene: trio has been classified as Amber List (Moderate Evidence).
Severe microcephaly v2.157 TRIO Arina Puzriakova Publications for gene: TRIO were set to 26721934; 32109419
Severe microcephaly v2.156 TRIO Arina Puzriakova Tag Q2_21_rating tag was added to gene: TRIO.
Severe microcephaly v2.156 TRIO Arina Puzriakova Phenotypes for gene: TRIO were changed from Mental retardation, autosomal dominant 44, MIM# 617061 to Intellectual developmental disorder, autosomal dominant 44, with microcephaly, OMIM:617061
Severe microcephaly v2.20 TRIO Zornitza Stark gene: TRIO was added
gene: TRIO was added to Severe microcephaly. Sources: Expert list
Mode of inheritance for gene: TRIO was set to MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
Publications for gene: TRIO were set to 26721934; 32109419
Phenotypes for gene: TRIO were set to Mental retardation, autosomal dominant 44, MIM# 617061
Review for gene: TRIO was set to GREEN
gene: TRIO was marked as current diagnostic
Added comment: The nonsense mutations are spread along the TRIO sequence, and affected individuals show variable neurodevelopmental phenotypes. In contrast, missense variants cluster into two mutational hotspots in the TRIO sequence, one in the seventh spectrin repeat and one in the RAC1-activating GEFD1. Individuals with a pathogenic variant in the seventh spectrin repeat have a more severe ID associated with macrocephaly than do most individuals with GEFD1 variants, who display milder ID and microcephaly.
Sources: Expert list
Severe microcephaly v2.20 SMO Zornitza Stark gene: SMO was added
gene: SMO was added to Severe microcephaly. Sources: Expert list
Mode of inheritance for gene: SMO was set to BIALLELIC, autosomal or pseudoautosomal
Publications for gene: SMO were set to 32413283
Phenotypes for gene: SMO were set to Microcephaly, congenital heart disease, polydactyly, aganglionosis
Review for gene: SMO was set to GREEN
gene: SMO was marked as current diagnostic
Added comment: Bi-allelic loss-of-function variations in SMO reported in seven individuals from five independent families. Wide phenotypic spectrum of developmental anomalies affecting the brain (hypothalamic hamartoma and microcephaly), heart (atrioventricular septal defect), skeleton (postaxial polydactyly, narrow chest, and shortening of long bones), and enteric nervous system (aganglionosis).
Sources: Expert list