Deletion of Cdkn1b in ACI rats leads to increased proliferation and pregnancy-associated changes in the mammary gland due to perturbed systemic endocrine environment. oleh Lina Ding, Lauren B Shunkwiler, Nicholas W Harper, Yang Zhao, Kunihiko Hinohara, Sung Jin Huh, Muhammad B Ekram, Jan Guz, Michael J Kern, Alexander Awgulewitsch, James D Shull, Bart M G Smits, Kornelia Polyak