Unveiling the mechanism of calcitriol in treating type 2 diabetes mellitus: A combined network pharmacology and in vitro approach targeting ERS-related pathways - Fanqiang Zeng; Yimei Liao; Jianping Jiang; Chengjian Zhao; Shuihua Peng; Huijie Zhang; Hui Zou; Shudan Tan; Liya Qiao; Fan Liu; Juan Huo; Zhigang Yan; et al. (PLoS ONE, 2026)