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Histological study of tumor tissues.
Notes: (A) Immunofluorescence staining of tumor vasculature and murine integrin β3 expression with antibodies against CD31 (green) and CD61 (integrin β3, red) in the Endostar-treated and control groups at the end of the study. (B) Quantitative analysis of integrin β3 and CD31-positive area fraction of tumors between control and treatment group. **P<0.01.
