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Related Experiment Videos

Four cholesterol-sensing proteins

Y Lange1, T L Steck

  • 1Department of Pathology, Rush Presbyterian St Luke's Medical Center, Chicago, IL 60612, USA. ylange@rush.edu

Current Opinion in Structural Biology
|September 8, 1998
PubMed
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Impaired cellular cholesterol sensing may link Niemann-Pick type C disease, systemic lipidosis, and holoprosencephaly. This suggests a common pathway in these distinct conditions affecting development and cellular function.

Area of Science:

  • Biochemistry
  • Developmental Biology
  • Genetics

Background:

  • Niemann-Pick type C disease causes intellectual disability and premature death.
  • Systemic lipidosis involves drug-induced lysosomal changes.
  • Holoprosencephaly is a severe embryonic development disorder.

Purpose of the Study:

  • To investigate the potential common link between Niemann-Pick type C disease, systemic lipidosis, and holoprosencephaly.
  • To explore the role of cellular cholesterol metabolism in these conditions.

Main Methods:

  • Review of recent evidence and existing literature.
  • Analysis of pathogenic mechanisms across the three conditions.

Main Results:

  • Emerging evidence points to impaired cellular cholesterol sensing as a shared pathogenic factor.

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  • This impairment may underlie the diverse manifestations of these diseases.

    • Conclusions:

    • Cellular cholesterol homeostasis is critical for normal development and cellular function.
    • Dysregulation of cholesterol sensing presents a unifying hypothesis for these distinct medical conditions.