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GENATLAS PHENOTYPE
last update : 28-01-2025
Symbol LDS4
Location 1q41
Name Loeys-Dietz syndrome, type 4
Corresponding gene TGFB2
Main clinical features
  • aortic aneurysm in association with variable other features, including hypertelorism, bifid uvula, pectus deformity, bicuspid aortic valve, arterial tortuosity, arachnodactyly, scoliosis, clubfeet, and thin skin with easy bruising and striae
  • mild craniofacial anomalies including retrognathia, high-arched palate, hypertelorism, bifid uvula and ocular abnormalities (corneal thickness, cornea guttata) may be present (PMID: 32309079))
  • may be associated with a neurodevelopmental phenotype with incomplete penetrance and variable expression (PMID: 35426477))
  • Genetic determination autosomal dominant
    Function/system disorder cardiovascular
    osteo-articular
    Type disease
    Mechanism(s)
    Gene mutationChromosome rearrangementEffectComments
    various types   haploinsufficiency  
    Remark(s)