Cholesterol sulfate alleviates ulcerative colitis by promoting cholesterol biosynthesis in colonic epithelial cells oleh Dongke Xu, Ruijun Ma, Yi Ju, Xiaowei Song, Baolin Niu, Wenting Hong, Rong Wang, Qin Yang, Zhi Zhao, Yuchen Zhang, Yufan Zheng, Qianming Bai, Mingfang Lv, Ning Sun, Xiaobo Li