Autophagy, an evolutionarily conserved mechanism that promotes cell survival by recycling nutrients and degrading long-lived proteins and dysfunctional organelles, is an important defense mechanism, and its attenuation has been well documented in senescence and aging-related diseases. Abdominal aortic aneurysm (AAA), a well-known aging-related disease, has been defined as a chronic degenerative process in the abdominal aortic wall; however, the complete mechanism is unknown, and a clinical treatment is lacking. Accumulating evidence has recently revealed that numerous drugs that can induce autophagy are effective in the treatment of AAA. The purpose of this systematic review was to focus on the cross-talk between autophagy and high-risk factors and the potential pathogenesis of AAA to understand not only the host defense and pathogenesis but also potential treatments.
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http://dx.doi.org/10.1080/15384101.2020.1823731 | DOI Listing |
ACS Appl Bio Mater
December 2024
Department of Cardiovascular Surgery, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200127, P. R. China.
Abdominal aortic aneurysm (AAA) is a cardiovascular disease with potentially fatal consequences, yet effective therapies to prevent its progression remain unavailable. Oxidative stress is associated with AAA development. Carbon dots have reactive oxygen species-scavenging activity, while green tea extract exhibits robust antioxidant properties.
View Article and Find Full Text PDFFront Immunol
December 2024
Department of Thoracic and Cardiovascular Surgery, Seoul Metropolitan Government-Seoul National University (SMG-SNU) Boramae Medical Center, Seoul National University College of Medicine, Seoul, Republic of Korea.
Background: We investigated the effects of C-reactive protein (CRP) deposition on the vessel walls in abdominal aortic aneurysm (AAA) by analyzing spatially resolved changes in gene expression. Our aim was to elucidate the pathways that contribute to disease progression.
Methods: AAA specimens from surgically resected formalin-fixed paraffin-embedded tissues were categorized into the AAA-high CRP [serum CRP ≥ 0.
Ann Vasc Surg
December 2024
Department of Clinical Diagnostics, School of Health and Welfare, Jönköping University, Jönköping, Sweden.
Background: Abdominal aortic aneurysm (AAA), a condition primarily affecting older men, is often asymptomatic but becomes life-threatening if rupture occurs. While AAA risk factors such as age, gender, and smoking are well-studied, physical activity (PA) may also play a critical role in managing AAA progression, though this relationship remains understudied. This scoping review aims to synthesize current knowledge on the impact of PA on AAA, examining safety, physiological effects, and potential protective effects against AAA progression.
View Article and Find Full Text PDFFront Cardiovasc Med
December 2024
Panzhihua Central Hospital, Panzhihua, Sichuan, China.
Background: Abdominal aortic aneurysm (AAA) is a localized bulge of the abdominal aorta, which mainly manifests as a pulsatile mass in the abdomen. Once an abdominal aortic aneurysm ruptures, the patient's life is seriously endangered. Surgery is the preferred treatment for abdominal aortic aneurysm.
View Article and Find Full Text PDFAustralas J Ultrasound Med
November 2024
Shellharbour Hospital Mount Warrigal New South Wales Australia.
Introduction: Acute aortic occlusion (AAO) is a rare vascular emergency with significant associated morbidity and mortality.
Methods: This case report discusses a 39-year-old gentleman with methamphetamine-associated cardiomyopathy (MACM) who presented with bilateral lower limb ischaemia. A POCUS was performed to rapidly evaluate the patient on arrival, which demonstrated AAO.
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