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Altered Notch signaling in the Lfngflox/flox;p53flox/+;MMTV-Cre mammary gland. (A) Western blot analysis for Notch receptors and Jagged1 ligand in the mammary glands of littermate mice at 3 months of age. (B) Quantitative RT-PCR for Hes1, Hes5, Hey1 and Hey2 in the mammary glands at 3 months of age. *P < .05.
