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Conditional manipulation of epithelial β-catenin. A–C: Immunohistochemical analyses of sagittal cryostat sections from E10.5 wild-type (A, wt) and β-catenin loss-of-function (B, LOF) and gain-of-function (C, GOF) mutants using β-catenin-specific antibody. bracket, epithelial subdomain where epithelial β-catenin is conditionally altered; md, mandibular; RP, Rathke's pouch.
