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Down‐regulation of PV1 does not decrease tumour vascular density (A) Immunohistochemistry with anti‐CD31 antibodies of AsPC‐1 (left panels) or BxPC‐3 (right panels) tumours untreated (parental) or treated with shLuc‐LVs (shLuc), shPV1‐1‐LV (shPV1‐1) and shPV1‐5‐LV (shPV1‐5). Bars – 20 μm. (B) Morphometric analysis of vascular density in AsPC‐1 and BxPC‐3 tumours [shLuc‐LVs (Luc), shPV1‐1‐LV (sh1) and shPV1‐5‐LV (sh5)]. Error bars – SEM.
