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Recent Advances in Genetics of Moyamoya Disease: Insights into the Different Pathogenic Pathways
Guangsong Han1, Ming Yao1, Jun Ni1
1Department of Neurology, Peking Union Medical College Hospital, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing 100730, China.
Abstract:
Moyamoya disease (MMD) is a rare yet clinically significant cerebrovascular disorder characterized by progressive stenosis of the distal internal carotid artery and/or its principal branches, accompanied by the development of characteristic collateral vessel networks. This disease demonstrates a complex multifactorial etiology with strong genetic determinants, as evidenced by its distinct geographical distribution patterns and familial clustering. Recent genetic researches have identified multiple pathogenic mutations contributing to MMD development through three principal mechanisms: progressive vascular stenosis, abnormal angiogenesis, and dysregulated inflammatory responses. Furthermore, moyamoya syndrome frequently occurs as a secondary vascular complication in various monogenic disorders. This review provides a comprehensive analysis of recent genetic advances in MMD in view of diverse pathogenic pathways, offering valuable perspectives on the molecular mechanisms underlying disease development and potential therapeutic targets.
Insights
Moyamoya disease (MMD) is a rare cerebrovascular disorder with strong genetic links. Research reveals mutations causing stenosis, abnormal blood vessel growth, and inflammation drive MMD development and progression.
Area of Science:
- Neurology
- Genetics
- Vascular Biology
Background:
- Moyamoya disease (MMD) is a rare cerebrovascular disorder.
- It involves progressive stenosis of brain arteries and collateral vessel formation.
- MMD has a complex, multifactorial etiology with significant genetic influences.
Purpose of the Study:
- To review recent genetic advances in Moyamoya disease.
- To analyze diverse pathogenic pathways contributing to MMD.
- To offer insights into molecular mechanisms and potential therapeutic targets.
Main Methods:
- Comprehensive literature review of recent genetic research on MMD.
- Analysis of identified pathogenic mutations and their roles.
- Examination of MMD's association with monogenic disorders.
Main Results:
- Multiple pathogenic mutations identified in MMD development.
- Key mechanisms include vascular stenosis, abnormal angiogenesis, and inflammation.
- Moyamoya syndrome is a secondary complication in various genetic disorders.
Conclusions:
- Genetic factors play a crucial role in MMD pathogenesis.
- Understanding these genetic pathways is vital for developing targeted therapies.
- Further research into MMD genetics can illuminate molecular mechanisms and treatment strategies.
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