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    1. Whole exome sequencing revealed novel pathogenic variants in Vietnamese patients with FEVR

      PMID: 37089697

      Gene: CTNNB1

      HGNC: 2514

      Disease: severe intellectual disability-progressive spastic diplegia syndrome

      MONDO: 0014035

      InheritancePattern: autosomal dominant

      Prevalence: The incidence is unknown but estimated to be between 1 in 30,000 and 1 in 40,000 births (PMID: 32168371).

      Penetrance: The penetrance of the cognitive impairment phenotype among cases appears to be near-complete, while the exudative vitreoretinopathy phenotype reportedly has a prevalence of ~39% among affected individuals with a syndromic diagnosis.

    1. Novel mutation in CTNNB1 causes familial exudative vitreoretinopathy (FEVR) and microcephaly: case report and review of the literature

      PMID: 32039639

      Gene: CTNNB1

      HGNC: 2514

      Disease: severe intellectual disability-progressive spastic diplegia syndrome

      MONDO: 0014035

      InheritancePattern: autosomal dominant

      Prevalence: The incidence is unknown but estimated to be between 1 in 30,000 and 1 in 40,000 births (PMID: 32168371).

      Penetrance: The penetrance of the cognitive impairment phenotype among cases appears to be near-complete, while the exudative vitreoretinopathy phenotype reportedly has a prevalence of ~39% among affected individuals with a syndromic diagnosis.

    1. Defects in the Cell Signaling Mediator β-Catenin Cause the Retinal Vascular Condition FEVR

      PMID: 28575650

      Gene: CTNNB1

      HGNC: 2514

      Disease: severe intellectual disability-progressive spastic diplegia syndrome

      MONDO: 0014035

      InheritancePattern: autosomal dominant

      Prevalence: The incidence is unknown but estimated to be between 1 in 30,000 and 1 in 40,000 births (PMID: 32168371).

      Penetrance: The penetrance of the cognitive impairment phenotype among cases appears to be near-complete, while the exudative vitreoretinopathy phenotype reportedly has a prevalence of ~39% among affected individuals with a syndromic diagnosis.

    1. VIII

      CaseVIII: Early adult onset, 56 years diagnosis

      CasePresentingHPOs: HP:0003701, HP:0003236, HP:0003388, HP:0003326, HP:0003198 (Proximal muscle weakness, Increased serum CK, Easy fatiguability, Myalgia, Myopathy)

      HPOsFreeText: GAA activity from dried blood spot: 0.13%, Forced Vital Capacity Seated: 2480 (75%), Plasma CK 2.5-5x Normal, 6-Minute Walking Test: 385 min

      CaseNotHPOs: HP:0002795 (Abnormal respiration)

      CaseAddInfo: Late-Onset Pompe Disease, Reduced staining for dystrophin in patient VIII suggested Becker dystrophy before LOPD diagnosis