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Cerebral autosomal dominant arteriopathy with subcortical infarcts and leukoencephalopathy: phenotypic and mutational

Martin Dichgans1

  • 1Department of Neurology, Klinikum Grosshadern, Ludwig-Maximilians-Universität, Marchioninistrasse 15, D-81377, Munich, Germany. mdichgans@nefo.med.uni-muenchen.de

Journal of the Neurological Sciences
|November 6, 2002
PubMed

Insights

Cerebral autosomal dominant arteriopathy with subcortical infarcts and leukoencephalopathy (CADASIL) is caused by NOTCH3 mutations. Understanding CADASIL mechanisms offers insights into strokes and dementia.

Area of Science:

  • Neurology
  • Genetics
  • Vascular Biology

Background:

  • Cerebral Autosomal Dominant Arteriopathy with Subcortical Infarcts and Leukencephalopathy (CADASIL) is an inherited small vessel disease.
  • NOTCH3 gene mutations are the primary cause of CADASIL.
  • CADASIL leads to subcortical strokes, leukoencephalopathy, and dementia.

Purpose of the Study:

  • To provide an overview of the CADASIL phenotypic spectrum.
  • To discuss disease mechanisms linking NOTCH3 mutations to ischemic events.
  • To highlight the role of vascular smooth muscle cells (VSMCs) in CADASIL pathophysiology.

Main Methods:

  • Review of existing literature on CADASIL.
  • Analysis of genotype-phenotype correlations.
  • Discussion of cellular and molecular mechanisms in VSMCs.

Main Results:

  • CADASIL presents a spectrum of neurological and cognitive deficits.
  • NOTCH3 mutations disrupt vascular integrity, particularly in VSMCs.
  • Pathological changes in small blood vessels are central to CADASIL.

Conclusions:

  • CADASIL serves as a model for understanding small vessel ischemic diseases.
  • Targeting VSMC dysfunction may offer therapeutic strategies for CADASIL.
  • Further research into Notch3 signaling is crucial for unraveling dementia and stroke mechanisms.

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