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[Pseudoxanthoma elasticum].

M S Ladewig1, C Götting, C Szliska

  • 1Universitäts-Augenklinik, Ernst-Abbe-Strasse 2, 53105 Bonn. Markus.Ladewig@ukb.uni-bonn.de

Der Ophthalmologe : Zeitschrift Der Deutschen Ophthalmologischen Gesellschaft
|June 10, 2006
PubMed
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Pseudoxanthoma elasticum (PXE) is a rare genetic disorder affecting elastic fibers. This review details its clinical features, genetic basis (ABCC6 gene), and current therapeutic strategies for this underdiagnosed condition.

Area of Science:

  • Genetics and rare diseases
  • Dermatology
  • Ophthalmology
  • Cardiovascular medicine

Context:

  • Pseudoxanthoma elasticum (PXE) is an inherited condition characterized by the accumulation of mineralized, fragmented elastic fibers.
  • PXE affects the skin, eyes (Bruch's membrane), and cardiovascular system, leading to diverse clinical manifestations.
  • The disorder is primarily inherited as an autosomal recessive trait, with mutations in the ABCC6 gene implicated.

Purpose:

  • To review the current understanding of Pseudoxanthoma elasticum (PXE).
  • To outline the clinical presentation, genetic underpinnings, and diagnostic challenges of PXE.
  • To present existing and potential therapeutic approaches for PXE.

Summary:

  • PXE involves the calcification of elastic fibers due to ABCC6 gene mutations, affecting skin, eyes, and vasculature.

Related Experiment Videos

  • Clinical signs include characteristic skin lesions, retinal changes like angioid streaks, and peripheral arterial disease.
  • Despite diagnostic clues, PXE is often underdiagnosed due to variable phenotypes and low prevalence.

    • Impact:

    • Enhances understanding of PXE's pathophysiology and clinical spectrum.
    • Highlights the importance of early diagnosis and management of PXE complications.
    • Provides a foundation for future research into causal therapies for Pseudoxanthoma elasticum.