Figure 1.

Anti-HER-immunostaining of mouse fibroblasts, stably transfected with HER1, HER2, HER3 or HER4. Chinese hamster ovary wild-type, Jurkat and the three additional transfected fibroblast cell lines served as negative controls (magnification of slide overview ×16, magnification of cutout ×400, small circle indicates magnified area).

Sassen et al. Breast Cancer Research 2008 10:R2   doi:10.1186/bcr1843
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