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Ataxia and cerebellar anomalies - narrow panel v3.30 POU4F1 Eleanor Williams Tag Q2_21_rating was removed from gene: POU4F1.
Ataxia and cerebellar anomalies - narrow panel v3.30 POU4F1 Eleanor Williams reviewed gene: POU4F1: Rating: GREEN; Mode of pathogenicity: ; Publications: ; Phenotypes: ; Mode of inheritance:
Ataxia and cerebellar anomalies - narrow panel v3.29 POU4F1 Eleanor Williams Source Expert Review Green was added to POU4F1.
Source NHS GMS was added to POU4F1.
Rating Changed from Amber List (moderate evidence) to Green List (high evidence)
Ataxia and cerebellar anomalies - narrow panel v2.210 POU4F1 Arina Puzriakova Tag Q2_21_rating tag was added to gene: POU4F1.
Ataxia and cerebellar anomalies - narrow panel v2.210 POU4F1 Arina Puzriakova Classified gene: POU4F1 as Amber List (moderate evidence)
Ataxia and cerebellar anomalies - narrow panel v2.210 POU4F1 Arina Puzriakova Added comment: Comment on list classification: New gene added by Zornitza Stark (Australian Genomics). There is sufficient evidence to promote this gene to Green at the next GMS panel update - sufficient number of unrelated cases (>3), supported by an animal model (see details below)
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Webb et al. 2021 (PMID:33783914) identified four unrelated individuals with different de novo POU4F1 variants. All presented with ataxia, hypotonia, and intention tremor. 3/4 also had strabismus and a history of paroxysmal tonic upgaze. Pou4f1−/− mice are known to have uncoordinated movements consistent with the ataxia phenotype seen in this patient cohort.

POU4F1 is associated with a relevant phenotype in OMIM (Ataxia, intention tremor, and hypotonia syndrome, childhood-onset, MIM# 619352) but is not yet listed in G2P.
Ataxia and cerebellar anomalies - narrow panel v2.210 POU4F1 Arina Puzriakova Gene: pou4f1 has been classified as Amber List (Moderate Evidence).
Ataxia and cerebellar anomalies - narrow panel v2.209 POU4F1 Arina Puzriakova Phenotypes for gene: POU4F1 were changed from Childhood-onset ataxia, intention tremor, and hypotonia syndrome (ATITHS) , MIM#619352 to Ataxia, intention tremor, and hypotonia syndrome, childhood-onset, OMIM:619352
Ataxia and cerebellar anomalies - narrow panel v2.190 POU4F1 Zornitza Stark gene: POU4F1 was added
gene: POU4F1 was added to Ataxia and cerebellar anomalies - narrow panel. Sources: Literature
Mode of inheritance for gene: POU4F1 was set to MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
Publications for gene: POU4F1 were set to 33783914; 8876243
Phenotypes for gene: POU4F1 were set to Childhood-onset ataxia, intention tremor, and hypotonia syndrome (ATITHS) , MIM#619352
Review for gene: POU4F1 was set to GREEN
gene: POU4F1 was marked as current diagnostic
Added comment: 4 unrelated probands presenting with paediatric onset ataxia, intention tremor, and hypotonia, with de novo loss of function variants, and supporting null mouse model.
Sources: Literature