" /> Osteogenesis imperfecta, type II - CISMeF





Preferred Label : Osteogenesis imperfecta, type II;

Symbol : OI2;

CISMeF acronym : OIC; OI2;

Type : Phenotype, molecular basis known;

Alternative titles and symbols : Osteogenesis imperfecta congenita, perinatal lethal form; Osteogenesis imperfecta congenita; Oi, type II; Vrolik type of osteogenesis imperfecta; OIC;

Description : Osteogenesis imperfecta type II constitutes a disorder characterized by bone fragility, with many perinatal fractures, severe bowing of long bones, undermineralization, and death in the perinatal period due to respiratory insufficiency (Sillence et al., 1979; Barnes et al., 2006). Also see osteogenesis imperfecta type VII (610682), an autosomal recessive form of lethal OI caused by mutation in the CRTAP gene (605497).;

Inheritance : Autosomal dominant;

Molecular basis : Caused by mutation in the collagen I, alpha-1 polypeptide gene (COL1A1, 120150.0001); Caused by mutation in the collagen I, alpha-2 polypeptide gene (COL1A2, 120160.0007);

Prefixed ID : #166210;

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30/07/2025


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