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Figure 3 | Breast Cancer Research

Figure 3

From: Tumour-stromal interactions Reciprocal regulation of extracellular matrix proteins and ovarian steroid activity in the mammary gland

Figure 3

Fibronectin expression in normal mammary gland as a function of age and developmental state. Frozen sections of mammary glands from immature, pubertal, sexually mature (3-, 5-, 10-week-old, respectively), or pregnant and lactating mice were immunostained with antibody to fibronectin. Fluorescence staining intensity (measured as average pixel brightness) was quantitated for epithelial and stromal cells as previously described [20]. * P < 0.05 that 10-week-old, pregnant and lactating epithelial staining intensity is greater than that of 3- or 5-week-old mice.

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