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Fetal anomalies v0.2259 HYLS1 Zornitza Stark Marked gene: HYLS1 as ready
Fetal anomalies v0.2259 HYLS1 Zornitza Stark Gene: hyls1 has been classified as Green List (High Evidence).
Fetal anomalies v0.2259 HYLS1 Zornitza Stark Phenotypes for gene: HYLS1 were changed from HYDROLETHALUS SYNDROME TYPE 1 to Hydrolethalus syndrome (MIM#236680); Ciliopathy
Fetal anomalies v0.2258 HYLS1 Zornitza Stark Publications for gene: HYLS1 were set to
Fetal anomalies v0.2257 HYLS1 Zornitza Stark Tag founder tag was added to gene: HYLS1.
Fetal anomalies v0.2257 HYLS1 Zornitza Stark 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. Amber rating given only single founder variant reported with a hydrocephalus phenotype with supporting functional data from multiple animal models indicative of ciliopathy.; 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 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.

Overall, sufficient evidence that variants in this gene cause a ciliopathy.
Fetal anomalies v0.2257 HYLS1 Zornitza Stark edited their review of gene: HYLS1: Changed phenotypes: Hydrolethalus syndrome (MIM#236680), Ciliopathy
Fetal anomalies v0.2257 HYLS1 Zornitza Stark edited their review of gene: HYLS1: Changed rating: GREEN
Fetal anomalies v0.0 HYLS1 Zornitza Stark gene: HYLS1 was added
gene: HYLS1 was added to Fetal anomalies. Sources: Expert Review Green,Genomics England PanelApp
Mode of inheritance for gene: HYLS1 was set to BIALLELIC, autosomal or pseudoautosomal
Phenotypes for gene: HYLS1 were set to HYDROLETHALUS SYNDROME TYPE 1