Shaoyao decoction alleviates DSS-induced colitis by inhibiting IL-17a-mediated polarization of M1 macrophages

The efficacy of Shaoyao decoction (SYD), a traditional Chinese medicine prescription, in alleviating colonic mucosal inflammation in ulcerative colitis (UC) has been established. However, the specific mechanism underlying the therapeutic effects of SYD on UC is not clear.