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Figure 1.

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Validation of cell types in pbMEC cultures. pbMEC cultures were stained with antibodies against cytokeratin 18 (anti-Cy18) or smooth muscle actin (anti-Actin). The udder section (right) was stained with anti-actin to show the in situ arrangement of myoepithelial cells. Nuclei were stained in tissue cultures with DAPI and with ethidium bromide in udder sections.

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