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MOLECULES OF ANTI-IDIOTIPIC ANTI-CEA ANTIBODIES AND THEIR APPLICATION AS ANTI-CANCER VACCINES
MOLECULES OF ANTI-IDIOTIPIC ANTI-CEA ANTIBODIES AND THEIR APPLICATION AS ANTI-CANCER VACCINES
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机译:抗独特型抗CEA分子的分子及其作为抗癌疫苗的应用
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摘要
The present invention provides molecules, preferably designed immunoglubulins, suitable for use as an anti-idiotype vaccine to CEA positive tumours. The molecules induce both an MHC class I and MHC class II mediated immune response to the CEA bearing tumour cells for an efficient and sustained host anti-tumour response. The present invention provides modified versions of anti-idiotype anti-CEA antibodies, preferably mouse antibody 708, with improved vaccination properties. The modifications are related to the introduction of sequences tracts deriving from e.g. CEA, CD 55 antigen and CEA cancer-specific MHC epitopes into the variable regions of said antibody molecules.
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