Liver tissues were fixed in 10% formalin and then embedded in OCT or paraffin. Liver sections were stained with ORO, H&E, or Picrosirius red. Liver sections were also immunostained using an F4/80 antibody (Abcam, cat. #ab6640) and an ABC-HRP kit from Vector Laboratories (cat. #PK-4001). Images were acquired using an Olympus microscope.
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