For cell treatment, OG (Sigma-Aldrich, St. Louis, MO, USA) was dissolved in dimethyl sulfoxide (DMSO). For oral administration in mice, OG was dissolved in 40% PEG400 (Sigma-Aldrich) aqueous solution. Osteopontin (OPN; R&D Systems, Minneapolis, MN, USA) was dissolved in PBS to induce the EndoMT of 3B-11 cells (Supplementary Figure S1) [4 (link),5 (link)]. Recombinant HSP90α (rHSP90α) was purchased from Enzo Life Sciences Inc. (Farmingdale, NY, USA) and filtrated with 0.2-μm filters before use.
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