Figure 3From: Co-expression of estrogen receptor-alpha and targets of estrogen receptor action in proliferating monkey mammary epithelial cellsColocalization of estrogen receptor (ER)α and cyclin D1 in mammary epithelial cells. Double immunofluorescence in the same tissue section shows: (a) ERα, green nuclear staining; (b) cyclinD1, red nuclear staining; (c) ERα and cyclinD1: yellow nuclear staining. Arrows indicate cells co-expressing ERα and cyclinD1. Bar = 20 μm.Back to article page