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. 2001 Apr 30;153(3):555–568. doi: 10.1083/jcb.153.3.555

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© 2001 The Rockefeller University Press

This article is distributed under the terms of an Attribution–Noncommercial–Share Alike–No Mirror Sites license for the first six months after the publication date (see http://www.rupress.org/terms). After six months it is available under a Creative Commons License (Attribution–Noncommercial–Share Alike 4.0 Unported license, as described at http://creativecommons.org/licenses/by-nc-sa/4.0/).

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Lobuloalveolar development in older virgin females of the low expressing line and in male mice. Whole mounts of inguinal mammary glands stained with carmine alum (A–C) and hematoxylin and eosin–stained sections of mammary gland (D) from 20-wk-old (A) and 40-wk-old (B and C) wt and ΔN89β-catenin transgenic littermates from the low expressing line 3. Note that low expressing line 3 ΔN89β-catenin virgin mice also show aberrant hyperlobular development with no evidence of ductal hyperbranching. (E) 1-yr-old wt and ΔN89β-catenin transgenic male littermates from line 5.