Research Article

Plasmid Transfer of Plasminogen K1-5 Reduces Subcutaneous Hepatoma Growth by Affecting Inflammatory Factors

Figure 9

Microvessel density in subcutaneous tumours. Tumours of killed mice were explanted, shock frozen, stained against CD31, and counterstained against hematoxyline. Vessels show a red-brownish colour. (a) Mean tumour vessels ± SEM/hpf, = 16, < 0.05 (compared to NaCl), < 0.05 (compared to DOTAP), < 0.05 (compared to pMock). Microvessels per hpf were microscopically counted. (b) Exemplary photomicrographs of tumour sections from animals treated with NaCl, DOTAP, pMock, and pK1-5.
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(a)
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