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[Niemann-Pick disease type C]

S Akaboshi1, K Ohno

  • 1Division of Child Neurology, Faculty of Medicine, Tottori University.

Nihon Rinsho. Japanese Journal of Clinical Medicine
|December 1, 1995
PubMed
Summary
This summary is machine-generated.

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Niemann-Pick disease type C (NPC) is a neurovisceral lipid disorder with unclear defects. Diagnosis involves cholesterol accumulation, and while therapies exist, neurological symptom improvement remains elusive.

Area of Science:

  • Genetics and Biochemistry
  • Neuroscience
  • Cell Biology

Context:

  • Niemann-Pick disease type C (NPC) is an autosomal recessive neurovisceral disorder.
  • The precise molecular defect underlying NPC remains to be fully elucidated.
  • Biochemical hallmarks include intracellular free cholesterol accumulation and impaired exogenous cholesterol esterification.

Purpose:

  • To review the current understanding of Niemann-Pick disease type C.
  • To highlight diagnostic markers and clinical features.
  • To discuss therapeutic strategies and their limitations.

Summary:

  • NPC is characterized by cholesterol dysregulation, with disease onset severity linked to defective esterification.
  • Genetic locus identified on human chromosome 18.

Related Experiment Videos

  • Specific clinical signs include vertical supranuclear gaze palsy and cataplexy.
  • Filipin staining of bone marrow cells offers a rapid diagnostic method.

    • Impact:

    • Current therapeutic interventions like dimethyl sulfoxide, dietary changes, and transplantations have not demonstrated significant improvement in neurological symptoms.
    • Further research is needed to clarify the basic defect and develop effective treatments for NPC.
    • Understanding cholesterol metabolism defects is crucial for managing NPC and related lysosomal storage disorders.