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Fig. 1.
N89ß-catenin expression rescues alveologenesis in
PR-/- mice during pregnancy. Carmine and X-Gal-stained
wholemounts of transplanted glands at 8.5 (A-D) and 14.5 (E-H)
days of pregnancy. PR-/- glands do not develop alveoli
(A,E). By contrast, alveoli are observed in
PR-/-;
N89ß-catenin glands (B,F) that are
consistently more distended than in control PR+/- (C,G)
and endogenous Rag1-/- glands (D,H). Scale bars: 200
µm.