neoplasm
• mice develop tumors at a latency of 32 weeks compared to 23 weeks in Tg(MMTV-Erbb2)NK1Mul transgenic mice
• mice do not develop hyperplastic nodules in mammary glands as do Tg(MMTV-Erbb2)NK1Mul transgenic mice
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cellular
• fewer cells are in S-phase and proliferation is decreased compared to in Tg(MMTV-Erbb2)NK1Mul transgenic mice
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