Colonic smooth muscle cell (CSMC) hypertrophy and hyperplasia have been described in human ulcerative colitis (UC) and animal models. Here the authors show that mice lacking smooth muscle (SM) 22a develop spontaneous colitis which has RSAD2-driven mitochondrial dysfunction and inflammation in CSMC and show dependence on RSAD2 for colitis alleviation.
- Wen-Di Zhang
- Dan-Dan Zhang
- Mei Han