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Updated: Apr 23, 2026

Isolation of Atrial Myocytes from Adult Mice
Published on: July 25, 2019
Cell-specific vulnerabilities and adaptations in atrial aging
Annika M T Braun1,2,3, Alexander Lang4, Julian U G Wagner1,2,3
1Institute for Cardiovascular Regeneration, Goethe University Frankfurt, Theodor-Stern-Kai 7, Frankfurt am Main 60590, Germany.
Aging significantly impacts heart health, with atrial dysfunction increasingly linked to major cardiovascular diseases like atrial fibrillation. This review explores cellular changes in aging atria and their clinical relevance.
Area of Science:
- Cardiology
- Gerontology
- Molecular Biology
Background:
- Aging is the primary risk factor for cardiovascular disease globally.
- Research has focused on the left ventricle, neglecting the atria.
- Atrial dysfunction is implicated in major cardiovascular diseases and stroke.
Purpose of the Study:
- To review cellular and molecular changes in the aging atrium.
- To highlight the clinical implications of atrial aging.
- To identify knowledge gaps in understanding elderly atrial dysfunction.
Main Methods:
- Literature review of current knowledge on aging atria.
- Synthesis of cellular and molecular alterations.
- Analysis of clinical relevance and research gaps.
Main Results:
- Aging induces significant cellular and molecular alterations in the atria.
- Atrial dysfunction contributes to arrhythmogenesis, heart failure, and thromboembolism.
- The aging atrium is increasingly recognized for its role in cardiovascular pathologies.
Conclusions:
- Understanding atrial aging is crucial for managing age-related cardiovascular diseases.
- Further research is needed to elucidate mechanisms of atrial dysfunction in the elderly.
- Targeting atrial aging may offer new therapeutic strategies for cardiovascular health.
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