MicroRNA-21 Blocks Abdominal Aortic Aneurysm Development and Nicotine-Augmented Expansion

Inhibition of microRNA-29b reduces murine abdominal aortic aneurysm development.

MicroRNAs (miRs) regulate gene expression at the posttranscriptional level and play crucial roles in vascular integrity. As such, they may have a role in modifying abdominal aortic aneurysm (AAA) expansion, the pathophysiological mechanisms of which remain incompletely explored. Here, we investigate the role of miRs in 2 murine models of experimental AAA: the porcine pancreatic elastase (PPE) i...

Drug Therapy for Small Abdominal Aortic Aneurysm

Dear Editor,Abdominal aortic aneurysm is often asymptomatic, less recognized, and causes considerable mortality and morbidity, if missed. The incidence varies from country to country and the occurrence is influenced by modifiable (smoking, coronary heart disease, hypertension, dyslipidemia, and prolonged steroid therapy) and non-modifiable risk factors (increasing age, male gender, and positive...

Role of MicroRNA-103a Targeting ADAM10 in Abdominal Aortic Aneurysm

MicroRNAs (miRNAs) are deregulated in various vascular ailments including abdominal aortic aneurysm (AAA). MiR-103 is involved in vascular, metabolic, and malignant diseases, but whether it participates in the pathogenesis of AAA remains elusive. ADAM10 plays a vital role in the formation of aneurysm, but whether miRs modulate its activity during AAA formation is totally unknown. In this study,...

Cardiac Rehabilitation Protects Against the Expansion of Abdominal Aortic Aneurysm

BACKGROUND Virtually no reports on the effects of exercise in patients with a small abdominal aortic aneurysm (AAA) exist. METHODS AND RESULTS We conducted a retrospective cohort study on 1515 patients with a small AAA before surgery at 2 high-volume hospitals in Tokyo, Japan, from April 2004 to September 2015. A carefully modified cardiac rehabilitation program without excessive blood pressu...

New ways to dismantle a ticking time bomb: microRNA 712/205 and abdominal aortic aneurysm development.