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Sex-linked genetic mechanisms and atrial fibrillation risk

Georgina Wren1, William Davies2

  • 1School of Psychology, Cardiff University, UK.

European Journal of Medical Genetics
|February 21, 2022
PubMed

Insights

Sex-linked genetic mechanisms influence sex differences in atrial fibrillation (AF) risk and presentation. Understanding these genetic factors can lead to tailored AF interventions and better disease prediction.

Area of Science:

  • Cardiology
  • Genetics
  • Sex-based Medicine

Background:

  • Atrial fibrillation (AF) presents with sex-biased prevalence, risk factors, and treatment responses.
  • Genetic factors are implicated in explaining these observed sex differences in AF.

Purpose of the Study:

  • To explore four sex-linked genetic mechanisms contributing to sex-biased AF phenotypes.
  • To identify novel candidate genes and pathways for AF risk and sex-specific interventions.

Main Methods:

  • Review of four sex-linked genetic mechanisms: X-linked gene dosage, X-linked genomic imprinting, sex-biased autosomal gene expression, and Y-linked gene expression.
  • Identification of candidate risk genes and pathways associated with AF.

Main Results:

  • Detailed examination of how X-linked gene dosage, imprinting, autosomal expression, and Y-linked expression can influence AF.
  • Highlighting specific genes and pathways requiring further investigation in AF research.

Conclusions:

  • Sex-linked genetics play a crucial role in the sex disparities observed in atrial fibrillation.
  • Further research into these genetic mechanisms can enable personalized AF risk assessment and sex-tailored therapeutic strategies.

Keywords:
Klinefelter syndromeSteroid sulfataseTurner syndromeX chromosomeX-inactivationY chromosome

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