The genetics of hypertension

Area of Science:

• Genetics
• Cardiology
• Endocrinology

Background:

• Hypertension affects one-third of adults globally, causing 8.5 million deaths annually.
• Family studies indicate significant heritability of blood pressure, pointing to genetic contributions.
• Both rare monogenic forms and common polygenic forms of hypertension exist.

Purpose of the Study:

• To explore the genetic underpinnings of hypertension.
• To identify genetic variants contributing to blood pressure regulation.
• To evaluate potential therapeutic targets for hypertension.

Main Methods:

• Linkage studies and next-generation sequencing identified variants in rare monogenic hypertension syndromes.
• Genome-wide association studies (GWAS) identified numerous small-effect variants in polygenic hypertension.
• Analysis of somatic mutations in hormone-producing tumors associated with hypertension.

Main Results:

• Several large-effect variants causing rare monogenic hypertension syndromes were identified.
• Numerous small-effect variants contributing to hypertension as a complex trait were discovered through GWAS.
• Epigenetic mechanisms were found to influence gene expression and blood pressure.

Conclusions:

• Genetic factors play a substantial role in hypertension development.
• Understanding genetic contributions, including rare and common variants, is crucial for managing hypertension.
• Proteins implicated in Mendelian hypertension syndromes represent potential targets for novel antihypertensive drugs.