" /> Ehlers-danlos syndrome, dermatosparaxis type - CISMeF





Preferred Label : Ehlers-danlos syndrome, dermatosparaxis type;

Symbol : EDSDERMS;

CISMeF acronym : EDSDERMS; EDS7C;

Type : Phenotype, molecular basis known;

Alternative titles and symbols : DERMATOSPARAXIS; Eds viic; Ehlers-danlos syndrome, type VII, autosomal recessive; EDS7C;

Description : Dermatosparaxis (meaning 'tearing of skin') is an autosomal recessive disorder of connective tissue resulting from deficiency of procollagen peptidase, an enzyme that aids in the processing of type I procollagen. The disorder and the responsible biochemical defect was first observed in cattle (Lapiere et al., 1971). Lapiere and Nusgens (1993) reviewed the discovery of dermatosparaxis in cattle, the elucidation of the disorder, its occurrence in other animals, and the delayed recognition of the disorder in the human. Beighton et al. (1998) reported on a revised nosology of the Ehlers-Danlos syndromes, designated the Villefranche classification. Major and minor diagnostic criteria were defined for each type and complemented whenever possible with laboratory findings. Six main descriptive types were substituted for earlier types numbered with Roman numerals: classic type (EDS I and II), hypermobility type (EDS III), vascular type (EDS IV), kyphoscoliosis type (EDS VI), arthrochalasia type (EDS VIIA and VIIB), and dermatosparaxis type (EDS VIIC). Six other forms were listed, including a category of 'unspecified forms.';

Inheritance : Autosomal recessive;

Molecular basis : Caused by mutations in the procollagen I N-proteinase gene (ADAMTS2, 604539.0001);

Prefixed ID : #225410;

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04/05/2025


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