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Update on Wilson disease.

Annu Aggarwal1, Mohit Bhatt

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Summary

Wilson disease (WD) is a genetic disorder causing toxic copper buildup, primarily affecting the liver and brain. Early diagnosis and lifelong treatment are crucial for managing copper levels and preventing severe health complications.

Keywords:
ATP7B geneCopperDecopperingGlobal Assessment Scale for WD (GAS for WD)Hepatocellular degenerationKayser–Fleischer ringsPenicillamineTrientineWilson diseaseZinc

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Area of Science:

  • Genetics
  • Hepatology
  • Neurology

Background:

  • Wilson disease is an inherited disorder of chronic copper toxicosis.
  • Excessive copper deposition in the liver and brain leads to progressive, fatal disease if untreated.
  • Impaired copper excretion by the liver causes toxic accumulation and tissue injury.

Purpose of the Study:

  • To discuss the challenges in diagnosing Wilson disease.
  • To highlight the importance of lifelong decoppering and clinical tracking for managing WD.
  • To review treatment regimens and patient monitoring using the Global Assessment Scale for WD.

Main Methods:

  • Diagnosis relies on a combination of clinical features and laboratory tests.
  • Genetic analysis, including identification of high-frequency mutations, aids in diagnosis.
  • Clinical tracking involves using the WD-specific Global Assessment Scale for WD (GAS for WD).

Main Results:

  • Copper accumulation overwhelms cellular mechanisms, leading to free copper and tissue damage.
  • Wilson disease presents with diverse clinical manifestations affecting the liver, brain, and musculoskeletal system.
  • Lifelong decoppering can prevent presymptomatic individuals from developing symptoms and improve neurological disability.

Conclusions:

  • Early diagnosis and consistent lifelong decoppering are essential for Wilson disease management.
  • Judicious treatment allows patients, even those with severe neurological impairment, to achieve normal life function.
  • Advances in genetic testing offer potential for rapid diagnosis of Wilson disease.