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Updated: Feb 4, 2026

Porcine Model of Infrarenal Abdominal Aortic Aneurysm
Published on: November 21, 2019
Targeting cysteinyl-leukotrienes in abdominal aortic aneurysm
Ana Carolina Araújo1, Xiao Tang1, Jesper Z Haeggström1
1Division of Chemistry II, Department of Medical Biochemistry and Biophysics, Karolinska Institutet, S-171 65 Solna, Sweden.
Montelukast, an asthma drug, shows promise for preventing and treating abdominal aortic aneurysms (AAA). This research explores its potential as a novel pharmacological therapy for this life-threatening vascular condition.
Area of Science:
- Cardiovascular Research
- Pharmacology
- Vascular Biology
Background:
- Abdominal aortic aneurysm (AAA) is a dangerous vascular disease characterized by vessel dilation and thrombus formation, with no current pharmacological treatments.
- The 5-lipoxygenase (5-LOX) pathway produces leukotrienes (LTs), inflammatory mediators implicated in various diseases.
- Cysteinyl-leukotrienes (cys-LTs) are involved in asthma and allergic conditions, with emerging roles in cardiovascular diseases.
Purpose of the Study:
- To investigate the potential of montelukast, a CysLT1 receptor antagonist, in the prevention and treatment of abdominal aortic aneurysms.
- To explore novel pharmacological strategies for AAA, a condition with significant socio-economic impact and high mortality risk.
Main Methods:
- Review of recent data on the effects of montelukast in the context of cardiovascular diseases.
- Examination of the role of leukotrienes and their antagonists in vascular pathology.
Main Results:
- Montelukast, a safe and well-tolerated asthma medication, demonstrates potential utility in AAA management.
- Emerging data suggests montelukast may serve as a preventative and therapeutic agent for AAA.
Conclusions:
- Montelukast represents a promising pharmacological candidate for the prevention and treatment of abdominal aortic aneurysms.
- Further research into lukasts could lead to effective treatments for this deadly vascular disease.
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