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Genetics and ischaemic stroke.

A Hassan1, H S Markus

  • 1Department of Clinical Neurosciences, St George's Hospital Medical School, London, UK.

Brain : a Journal of Neurology
|August 26, 2000
PubMed
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Genetic factors significantly influence ischaemic stroke, both in rare monogenic forms like CADASIL and common multifactorial cases. Identifying specific gene mutations in complex stroke remains challenging but is advancing with new technologies.

Area of Science:

  • Neurology
  • Genetics
  • Cardiovascular Disease

Background:

  • Ischaemic stroke has both monogenic and multifactorial causes.
  • Monogenic strokes, like CADASIL (NOTCH3 gene mutations), often present as multisystem disorders.
  • The majority of ischaemic strokes are multifactorial, with complex genetic underpinnings.

Purpose of the Study:

  • To review the genetics and phenotypes of monogenic stroke.
  • To discuss the challenges and approaches in identifying genetic factors in multifactorial ischaemic stroke.
  • To explore the potential of new technologies for studying polygenic stroke.

Main Methods:

  • Review of existing literature on monogenic and multifactorial stroke genetics.
  • Analysis of candidate gene association studies (haemostatic, homocysteine, ACE, eNOS genes).

Related Experiment Videos

  • Discussion of limitations of current approaches and future technological advancements.

    • Main Results:

    • Monogenic disorders like CADASIL are recognized causes of familial stroke.
    • Candidate gene approaches have investigated various polymorphisms with mixed results.
    • Identifying individual causative mutations in multifactorial stroke is problematic due to polygenic inheritance and phenotypic heterogeneity.

    Conclusions:

    • Genetic factors play a crucial role in ischaemic stroke pathogenesis.
    • Novel technologies and bioinformatics are essential for understanding polygenic stroke.
    • Future research should leverage advanced methods to unravel the genetic complexity of common stroke.