Nagoya University Apr 14 2026 Aortic aneurysms are characterized by abnormal enlargement of the aorta, the primary artery responsible for carrying blood from the heart. Rupture often leads to sudden death, and currently, no effective drug therapies are available to halt disease progression. Researchers at Nagoya University in Japan found that aortic aneurysms are associated with clonal hematopoiesis, an age-related process in which blood-forming stem cells acquire genetic mutations. Their