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Evaluation of Planar-Cell-Polarity Phenotypes in Ciliopathy Mouse Mutant Cochlea
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[Cockayne syndrome].

Xue-Mei Wang1, Yun-Pu Cui, Yun-Feng Liu

  • 1Department of Pediatrics, Peking University Third Hospital, Beijing 100191, China. xuemeiw7886@sohu.com

Zhongguo Dang Dai Er Ke Za Zhi = Chinese Journal of Contemporary Pediatrics
|February 24, 2011
PubMed
Summary

Cockayne syndrome (CS) is a rare genetic disorder. This case highlights a 7-year-old boy with CS, confirmed by CSA gene mutation, exhibiting severe growth failure and neurological deficits.

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Area of Science:

  • Genetics
  • Pediatrics
  • Rare Diseases

Background:

  • Cockayne syndrome (CS) is an autosomal recessive disorder characterized by premature aging.
  • Early diagnosis and genetic confirmation are crucial for understanding disease progression.

Observation:

  • A 7-year-old male presented with severe growth retardation, skin abnormalities (desquamation, pigmentation), and neurological symptoms.
  • Clinical features included failure to thrive, distinctive facial features, spasticity, ataxia, hearing loss, and ocular abnormalities.
  • Brain MRI revealed basal ganglia calcification and generalized cerebral and cerebellar atrophy.

Findings:

  • Genetic analysis confirmed a mutation in the CSA gene, definitively diagnosing Cockayne syndrome.
  • Biochemical tests indicated low serum insulin-like growth factor I and malnutrition, while other metabolic parameters were normal.
  • Neuroimaging demonstrated significant brain abnormalities consistent with CS.

Implications:

  • This case underscores the complex multi-systemic manifestations of Cockayne syndrome.
  • Highlights the importance of genetic testing for accurate diagnosis of rare genetic disorders.
  • The lack of effective treatment options for CS necessitates further research into therapeutic strategies.