VEGFA and breast neoplasm: Given the influence of ERO1 on angiogenesis, we analyzed the effect of anti-angiogenic therapy with the VEGF neutralizing antibody B20, which accordingly to our SPR results, binds VEGFA monomers and dimers comparably, on breast tumors of equal size of mice injected with WT and ERO1 KO MDAMB231m in orthotopic sites.