Figure 6From: Characterization of the Six1 homeobox gene in normal mammary gland morphogenesisMammary glands overexpressing Six1 regress normally. H&E sections taken from TOSix and MTB animals after 6 months of dox treatment (beginning at time of first mating) and after three rounds of pregnancy. Tissue was excised four weeks after weaning to ensure complete involution.Back to article page