Hematoxylin and Eosin (H&E) staining was performed using standard protocols. For calcium deposit analysis, 7 µm transverse sections of HH39 mandibles were used with the Von Kossa Stain Kit (Calcium Stain) (Abcam, ab150687), following the manufacturer’s instructions. TRAP staining was performed on 8 μm-thick transverse sections of decalcified HH39 mandibles using an Acid Phosphatase Leukocyte (TRAP) Kit (Sigma-Aldrich, 387A) following the manufacturer's protocol. Automated cyst quantification was performed with the software CystAnalyser, with the settings for kidney cysts (Cordido et al., 2020 (link)).
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