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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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A comparison of early involution of wt and ΔN89β-catenin mammary glands. (A) Hematoxylin and eosin–stained sections of wt (top) and ΔN89β-catenin (bottom) inguinal mammary glands from littermates 1, 3, 5, and 7 d of involution (i) after removal of pups, as indicated. (B) Apoptotic changes detected by TUNEL staining of sections from wt (top) and ΔN89β-catenin (TG, bottom) inguinal mammary glands 1 and 3 d after removing pups, as indicated (1i, 3i). Note no significant differences were observed between wt and transgenic samples during this early stage of involution.