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Immunofluorescence staining of VEGFR2 and CD31 for MDA-MB-435, U87MG, and 4T1 tumors. The tissue sections were stained with anti-VEGFR2 antibody (green) to identify VEGFR2 expression, anti-CD31 antibody (red) to identify vasculature, and DAPI (blue) to identify nuclei.
