Rare Diseases Symptoms Automatic Extraction

[Werner syndrome. A prototypical form of segmental progeria.]

[werner syndrome]

Werner syndrome is a segmental progeroid disorder with onset in adolescence or early adulthood. Typical symptoms contributing to patients' prematurely aged appearance include postpubertal development of short stature, cataracts, premature greying/thinning of scalp hair, scleroderma-like skin changes and regional atrophy of subcutaneous fat tissue. In addition, an increased rate and early onset of typical age-related diseases such as type 2 diabetes mellitus, osteoporosis, atherosclerosis, and various malignancies is observed. Werner syndrome is autosomal recessively inherited and caused by mutations in the Werner gene (WRN). To date, more than 70 WRN mutations have been identified. These are spread over the entire gene and typically represent loss of function mutations. WRN encodes a RecQ type helicase involved in DNA repair and the maintenance of DNA integrity, which is reflected by an increased genetic instability in patient cells. Despite the relative rarity of Werner syndrome, its analysis provides important general insights into the roles of DNA stability and integrity for the ageing process and the development of age-associated diseases.

Diseases presenting "scleroderma-like skin changes and regional atrophy of subcutaneous fat tissue" symptom

  • werner syndrome

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