MUC1 and chronic granulomatous disease: Oral TβMCA (500 mg kg−1) reduced the CGD incidence to 40% (4/10, 8 weeks) in WD‐fed miceC70‐KO, which might be associated with the elevated BA pool size, increased gallbladder BA hydrophilicity, reduced gallbladder MUC1·5ac contents, and prolonged cholesterol NT in the gallbladder bile (Figures 2A,C,D middle panels, 3C,D; Figure S3C, Supporting Information).