How is the Ashkenazi Jewish subtype of Wolfram syndrome different from the classic form?

The classic form of Wolfram syndrome and the Ashkenazi Jewish subtype are both caused by the same specific pathogenic variant in the WFS1 gene, WFS1 c.1672C>T (p.Arg558Cys). Despite their common genetic cause, the two forms of Wolfram manifest very differently — with different severity of symptoms, prognoses and treatments.

Wolfram syndrome is a rare, life-threatening genetic disorder caused largely by pathogenic variants in the Wolfram syndrome 1 (WFS1) gene. Wolfram syndrome is considered a prototype of endoplasmic reticulum (ER) disorders. Recent clinical and genetic findings indicate that Wolfram syndrome is best understood as a spectrum disorder.

Find an extensive list of the symptoms of Jewish Wolfram syndrome here, as well as therapies currently in development here.

 

Comparing Classic Wolfram and Jewish Wolfram syndrome

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What are the symptoms of Jewish Wolfram syndrome and how are they managed?