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[Wilson disease]
Margit Abonyi1, Anikó Folhoffer, Péter László Lakatos
1Semmelweis Egyetem, Altalános Orvostudományi Kar, I. Belgyógyászati Klinika, Budapest. abomar@bel1.sote.hu
Orvosi Hetilap
|November 30, 2004
Summary
Wilson disease, a genetic copper metabolism disorder, involves defective ATP7B protein function. Early genetic diagnosis and therapy can prevent symptom development and manage copper accumulation.
Area of Science:
- Genetics
- Metabolic Disorders
- Hepatology
Background:
- Wilson disease is an inherited autosomal recessive disorder impacting copper metabolism.
- It is characterized by excessive copper accumulation in the body due to impaired biliary excretion by hepatocytes.
- Recent discoveries include the Wilson disease protein (ATP7B) and copper chaperones, crucial for copper transport.
Purpose of the Study:
- To review modern diagnostic and therapeutic strategies for Wilson disease.
- To highlight the role of ATP7B in copper homeostasis.
- To discuss the significance of genetic testing for early detection and prevention.
Main Methods:
- Review of current literature on Wilson disease genetics, diagnosis, and treatment.
- Analysis of the function of ATP7B in copper metabolism.
- Discussion of mutation analysis, including geographically specific mutations like H1069Q in Hungary.
Main Results:
- ATP7B protein is essential for copper secretion into plasma, ceruloplasmin synthesis, and biliary copper excretion.
- Genetic testing enables early diagnosis, allowing for timely therapy to prevent symptom onset.
- Specific ATP7B mutations, such as H1069Q, are prevalent in certain populations.
Conclusions:
- Early diagnosis through genetic screening, guided by geographic mutation prevalence, is key for Wilson disease management.
- Understanding ATP7B function is critical for developing effective therapies.
- Modern diagnostic and therapeutic approaches offer improved outcomes for patients with Wilson disease.