" /> Achondrogenesis, type II - CISMeF





Preferred Label : Achondrogenesis, type II;

Symbol : ACG2;

CISMeF acronym : ACG2;

Type : Phenotype, molecular basis known;

Alternative titles and symbols : Achondrogenesis, langer-saldino type; Chondrogenesis imperfecta; Achondrogenesis, type ib;

Included titles and symbols : Hypochondrogenesis;

Description : Achondrogenesis type II is characterized by severe micromelic dwarfism with small chest and prominent abdomen, incomplete ossification of the vertebral bodies, and disorganization of the costochondral junction. This form is an autosomal dominant trait occurring mostly as new mutations. However, somatic and germline mosaicism have been reported (summary by Comstock et al., 2010).;

Inheritance : Autosomal dominant;

Molecular basis : Caused by mutation in the collagen II, alpha-1 polypeptide gene (COL2A1, 120140.0002);

Prefixed ID : #200610;

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27/07/2025


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