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Table 4 Percentage of double-labeled cells per field of view found in the mammary fat pads of nulliparous or pregnant Balb/C female mice implanted with immortalized, premalignant cells

From: Immortalized, premalignant epithelial cell populations contain long-lived, label-retaining cells that asymmetrically divide and retain their template DNA

  Percentage (%)
Cell-type group Nulliparous Pregnant
NSP2 0.15 0
NSP3 0.2 0.03
SP3 0 0.01
  1. The number of double-labeled (5-BrdU and 3H-TdR) cells was counted in three random fields of view (400× magnification). Next, the total number of cells in three random fields of view was determined (>1000 cells total counted; 400× magnification). The total number of double-labeled cells was divided by the total number of cells, and the percentage of double-labeled cells per field of view was obtained.