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A novel DNA vaccine encoding PDGFRbeta suppresses growth and dissemination of murine colon, lung and breast carcinoma

机译:编码PDGFRbeta的新型DNA疫苗可抑制鼠结肠癌,肺癌和乳腺癌的生长和扩散

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摘要

Over the past several years it has become apparent that the tumor stroma represents a significant target for anti-cancer therapies. Therefore we evaluated the strategy of targeting the tumor stroma with a novel DNA vaccine encoding murine platelet derived growth factor receptor-beta (mPDGFRbeta). Immunization with this vaccine induced cytotoxic lysis of mPDGFRbeta-expressing target cells and protected mice from the growth and dissemination of murine colon, breast and lung carcinoma. Furthermore, this novel vaccine suppresses angiogenesis in vivo and reduces the numbers of tumor-associated, mPDGFRbeta-expressing pericytes as suggested by a decrease in intra-tumoral expression of mPDGFRbeta and NG2.
机译:在过去的几年中,很明显,肿瘤基质代表了抗癌治疗的重要目标。因此,我们评估了用编码鼠血小板衍生的生长因子受体-β(mPDGFRbeta)的新型DNA疫苗靶向肿瘤基质的策略。用这种疫苗免疫可诱导表达mPDGFRβ的靶细胞发生细胞毒性裂解,并保护小鼠免受鼠结肠癌,乳腺癌和肺癌的生长和扩散。此外,这种新型疫苗在体内抑制血管生成,并减少了肿瘤相关的表达mPDGFRbeta的周细胞的数量,这是由于mPDGFRbeta和NG2的肿瘤内表达减少所暗示的。

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