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Gene panel for Mendelian strokes.

Fang Fang1,2, Zhe Xu2,3, Yue Suo2,4

  • 1Monogenic Disease Research Center for Neurological Disorders, Beijing Tiantan Hospital, Capital Medical University, Beijing, China.

Stroke and Vascular Neurology
|April 29, 2020
PubMed
Summary
This summary is machine-generated.

A new gene panel accurately identifies genetic causes of Mendelian stroke, a significant factor in ischemic and cryptogenic strokes. This diagnostic tool aids in therapeutic management and genetic counseling for affected families.

Keywords:
stroketechnology

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Area of Science:

  • Genetics
  • Neurology
  • Molecular Biology

Background:

  • Mendelian stroke accounts for nearly 7% of ischemic strokes and is a key cause of cryptogenic stroke.
  • Identifying genetic abnormalities in Mendelian strokes is crucial for effective therapeutic strategies and genetic counseling.
  • Advancements in next-generation sequencing enable large-scale genetic analysis.

Purpose of the Study:

  • To develop and evaluate a gene capture panel for identifying causal mutations in Mendelian stroke.
  • To assess the diagnostic accuracy of the developed panel.

Main Methods:

  • A systematic literature review identified causal genes for Mendelian stroke.
  • A hybridization-based gene capture panel was constructed using 181 identified genes.
  • Genetic variants were detected using Illumina HiSeq X10 and Novaseq platforms, with validation via Sanger sequencing.

Main Results:

  • The panel analyzed 53 suspected Mendelian stroke patients, identifying 16 likely pathogenic/variants of uncertain significance genetic variants.
  • Diagnostic testing demonstrated 100% sensitivity and specificity when compared to Sanger sequencing.
  • The panel effectively detected causal mutations in Mendelian stroke patients.

Conclusions:

  • The developed gene panel offers an efficient, cost-effective, and time-saving method for detecting Mendelian stroke-causing mutations.
  • This diagnostic approach facilitates improved patient management and genetic counseling.
  • The panel's high accuracy supports its clinical utility in diagnosing Mendelian stroke.