Generation of a mouse model for Schwartz–Jampel syndrome
✍ Scribed by Morgane Stum; Emmanuelle Girard; Jordi Molgo; Nacira Tabti; Jean-Claude Willer; Bertrand Fontaine; Eric Krejci; Sophie Nicole
- Book ID
- 113747755
- Publisher
- Elsevier Science
- Year
- 2006
- Tongue
- English
- Weight
- 84 KB
- Volume
- 99
- Category
- Article
- ISSN
- 0928-4257
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## Abstract Schwartz–Jampel syndrome (SJS) is an autosomal‐recessive condition characterized by muscle stiffness and chondrodysplasia. It is due to loss‐of‐function hypomorphic mutations in the __HSPG2__ gene that encodes for perlecan, a proteoglycan secreted into the basement membrane. The origin
Schwartz-Jampel syndrome generally presents in childhood with short stature, limited joint mobility, masklike facies with blepharophimosis, myotonia, and often muscle hypertrophy. Few cases with neonatal manifestations have been described. A newborn with severe manifestations is reported and the lit
Recent studies demonstrated the existence of a genetically distinct, usually lethal form of the Schwartz-Jampel syndrome (SJS) of myotonia and skeletal dysplasia, which we called SJS type 2. This disorder is reminiscent of another rare condition, the Stu ¨ve-Wiedemann syndrome (SWS), which comprises
## Abstract A case of Schwartz‐Jampel syndrome with electrical, radiographic, biopsy, and pharmacological studies is presented along with a summary of the 12 other reported cases. Radiological study showed nonspecific but definite abnormalities. The muscle biopsy revealed myopathic and neurogenic f