Published in:
Open Access 01-12-2020 | Abdominal Aortic Aneurysm | Research article
Alterations in gut microbiota of abdominal aortic aneurysm mice
Published in: BMC Cardiovascular Disorders | Issue 1/2020
Login to get accessAbstract
Background
The gut microbiome plays an important role in various cardiovascular diseases, such as atherosclerosis and hypertension, which are associated with abdominal aortic aneurysms (AAAs).
Methods
Here, we used 16S rRNA sequencing to explore gut microbiota in C57BL ApoE−/− mice with AAAs. A mouse model of abdominal aortic aneurysms was induced with angiotensin II (Ang II) (1000 ng/min per kg). On day 28 after the operation, fecal samples were collected and stored at − 80 °C until DNA extraction. We determined the relative abundances of bacterial taxonomic groups using 16S rRNA amplicon metabarcoding, and sequences were analyzed using a combination of mother software and UPARSE.
Results
We found that the gut microbiome was different between control and AAA mice. The results of correlation analysis between AAA diameter and the gut microbiome as well as LEfSe of the genera Akkermansia, Odoribacter, Helicobacter and Ruminococcus might be important in the progression of AAAs.
Conclusions
AAA mice is subjected to gut microbial dysbiosis, and gut microbiota might be a potential target for further investigation.