Propionate Alleviates Abdominal Aortic Aneurysm by Modulating Colonic Regulatory T-Cell Expansion and Recirculation oleh Fen Yang, MD, Ni Xia, MD, PhD, Shuang Guo, MD, Jiyu Zhang, MS, Yuhan Liao, MS, Tingting Tang, MD, PhD, Shaofang Nie, MD, PhD, Min Zhang, MD, PhD, Bingjie Lv, MD, Yuzhi Lu, MD, PhD, Jiao Jiao, MD, PhD, Jingyong Li, MD, PhD, Weimin Wang, PhD, Desheng Hu, MD, PhD, Xiang Cheng, MD, PhD