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Apparatus and a method of immunizing a host against tumor-associated antigen by administration of naked polynucleotide coding for the tumor-associated antigen peptide
Apparatus and a method of immunizing a host against tumor-associated antigen by administration of naked polynucleotide coding for the tumor-associated antigen peptide
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机译:通过施用编码肿瘤相关抗原肽的裸多核苷酸来免疫宿主的抗肿瘤相关抗原的设备和方法
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摘要
The invention is directed to methods for introducing biologically active peptides into a host by administration of polynucleotides which operatively encode for the peptide of interest. In a preferred embodiment of the invention, a host who has been identified as having a tumor bearing at least one tumor-associated antigen is the recipient of a polynucleotide which operatively encodes for a foreign mimic of the tumor-associated antigen or a mutation of the self-antigen. The antigen-encoding polynucleotides are administered to host tissues which have a high concentration of antigen presenting cells in them relative to other host tissues. The method is particularly useful in treating cancer through induction of antigen-specific cytotoxic T lymphocytes in the host for lysis of tumor cells bearing the antigen. Devices and compositions for use in the methods of the invention are also described.
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