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Mendeliome v0.3713 HYLS1 Melanie Marty changed review comment from: A recurring homozygous missense variant p.Asp211Gly has been identified in at least 64 cases of hydrolethalus syndrome, described as a Finnish founder mutation (PMID: 15843405, PMID: 18648327). Functional studies in human and patient cells have shown mislocalisation of the protein to the nucleus (PMID: 15843405, PMID: 19400947). Functional studies in c. elegans showed that this variant impaired ciliogenesis (PMID: 19656802). Functional studies in drosophila showed that deletion of HYLS1 led to cilia dysfunction (PMID: 32509774).

2 homozygous living siblings (stop-loss, extension variant p.Ter300TyrextTer11) both diagnosed with Joubert syndrome. Patients had molar tooth signs and dysplasia of cerebellar vermis (PMID: 26830932).

No other variants have been reported as pathogenic in this gene.; to: A recurring homozygous missense variant p.Asp211Gly has been identified in at least 64 cases of hydrolethalus syndrome, described as a Finnish founder mutation (PMID: 15843405, PMID: 18648327). Functional studies in human cells have shown mislocalisation of the protein to the nucleus (PMID: 19400947). Functional studies in c. elegans showed that this variant impaired ciliogenesis (PMID: 19656802). Functional studies in drosophila showed that deletion of HYLS1 led to cilia dysfunction (PMID: 32509774).

2 homozygous living siblings (stop-loss, extension variant p.Ter300TyrextTer11) both diagnosed with Joubert syndrome. Patients had molar tooth signs and dysplasia of cerebellar vermis (PMID: 26830932).

No other variants have been reported as pathogenic in this gene.
Mendeliome v0.3707 HYLS1 Zornitza Stark Marked gene: HYLS1 as ready
Mendeliome v0.3707 HYLS1 Zornitza Stark Added comment: Comment when marking as ready: Borderline Amber/Green and mechanism unclear. However, given at least two variants reported with a ciliopathy phenotype and supporting functional data from multiple animal models all indicative of ciliopathy, keep Green.
Mendeliome v0.3707 HYLS1 Zornitza Stark Gene: hyls1 has been classified as Green List (High Evidence).
Mendeliome v0.3707 HYLS1 Zornitza Stark Tag founder tag was added to gene: HYLS1.
Mendeliome v0.3707 HYLS1 Zornitza Stark Phenotypes for gene: HYLS1 were changed from to Hydrolethalus syndrome (MIM#236680)
Mendeliome v0.3706 HYLS1 Zornitza Stark Publications for gene: HYLS1 were set to
Mendeliome v0.3705 HYLS1 Zornitza Stark Mode of pathogenicity for gene: HYLS1 was changed from to Other
Mendeliome v0.3704 HYLS1 Zornitza Stark Mode of inheritance for gene: HYLS1 was changed from Unknown to BIALLELIC, autosomal or pseudoautosomal
Mendeliome v0.3703 HYLS1 Melanie Marty reviewed gene: HYLS1: Rating: AMBER; Mode of pathogenicity: Other; Publications: 15843405, 18648327, 19400947, 19656802, 32509774; Phenotypes: Hydrolethalus syndrome (MIM#236680); Mode of inheritance: BIALLELIC, autosomal or pseudoautosomal
Mendeliome v0.0 HYLS1 Zornitza Stark gene: HYLS1 was added
gene: HYLS1 was added to Mendeliome_VCGS. Sources: Expert Review Green,Victorian Clinical Genetics Services
Mode of inheritance for gene: HYLS1 was set to Unknown