AGT and triple-A syndrome: For instance, the levels of Oscillospira, Coprococcus, Faecalibacterium prausnitzii, Alistipes massiliensis, and Ruminococcus gnavus were increased in the angiotensin II (Ang II)-induced AAA mice, whereas those of Akkermansia muciniphila (Am), Allobaculum, and Barnesiella intestinihominis were increased in mice with saline (4).