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Table 1 Squamous metaplasia in nulliparous females

From: The transcription factor ATF3 acts as an oncogene in mouse mammary tumorigenesis

Line Non-transgenic Line 1 TG Line 2 TG Line 3 TG Line 4 TG
No. of Animals Examined 18 21 9 13 13
No. of Animals with metaplasia 0 15 9 6 6
Incidence of Metaplasia - 0.714 0.667 0.462 0.462
No. of Glands Examined 108 151 84 116 107
No. of Squamous Metaplasias 0 32 23 6 11
Fraction of Glands with      
Metaplasia - 0.21 0.27 0.05 0.1