Impaired Vascular Contractility and Aortic Wall Degeneration in Fibulin-4 Deficient Mice
Author Information
Author(s): Moltzer Els, te Riet Luuk, Swagemakers Sigrid M. A., van Heijningen Paula M., Vermeij Marcel, van Veghel Richard, Bouhuizen Angelique M., van Esch Joep H. M., Lankhorst Stephanie, Ramnath Natasja W. M., de Waard Monique C., Duncker Dirk J., van der Spek Peter J., Rouwet Ellen V., Danser A. H. Jan, Essers Jeroen
Primary Institution: Erasmus MC, Rotterdam, The Netherlands
Hypothesis
Can the AT1 receptor antagonist losartan prevent aortic media degeneration in fibulin-4 deficient mice?
Conclusion
The AT1 receptor blocker losartan can prevent aortic media degeneration in a non-Marfan syndrome aneurysm mouse model and improve survival in established aortic aneurysms.
Supporting Evidence
- Fibulin-4 deficient mice displayed histological features of cystic media degeneration.
- Prenatal treatment with losartan prevented elastic fiber fragmentation in newborn Fibulin-4R/R mice.
- Postnatal losartan treatment improved lifespan of homozygous knockdown fibulin-4 animals.
Takeaway
Researchers studied mice with a genetic change that affects their blood vessels. They found that a medicine called losartan can help prevent problems in the blood vessels and help the mice live longer.
Methodology
The study involved creating fibulin-4 deficient mice and treating them with losartan to observe the effects on aortic degeneration and survival.
Limitations
The study primarily focused on a specific mouse model, which may not fully represent human conditions.
Participant Demographics
Adult fibulin-4 deficient mice were used in the study.
Statistical Information
P-Value
p<0.0001
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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