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细胞毒性T细胞介导的肽诱导抗病毒保护作用。

Peptide-induced antiviral protection by cytotoxic T cells.

作者信息

Schulz M, Zinkernagel R M, Hengartner H

机构信息

Institute of Pathology, University Hospital, Zürich, Switzerland.

出版信息

Proc Natl Acad Sci U S A. 1991 Feb 1;88(3):991-3. doi: 10.1073/pnas.88.3.991.

Abstract

A specific antiviral cytotoxic immune response in vivo could be induced by the subcutaneous injection of the T-cell epitope of the lymphocytic choriomeningitis virus (LCMV) nucleoprotein as an unmodified free synthetic peptide (Arg-Pro-Gln-Ala-Ser-Gly-Val-Tyr-Met-Gly-Asn-Leu-Thr-Ala-Gln) emulsified in incomplete Freund's adjuvant. This immunization rendered mice into a LCMV-specific protective state as shown by the inhibition of LCMV replication in spleens of such mice. The protection level of these mice correlated with the ability to respond to the peptide challenge by CD8+ virus-specific cytotoxic T cells. This is a direct demonstration that peptide vaccines can be antivirally protective in vivo, thus encouraging further search for appropriate mixtures of stable peptides that may be used as T-cell vaccines.

摘要

通过皮下注射淋巴细胞性脉络丛脑膜炎病毒(LCMV)核蛋白的T细胞表位,以未修饰的游离合成肽(精氨酸-脯氨酸-谷氨酰胺-丙氨酸-丝氨酸-甘氨酸-缬氨酸-酪氨酸-甲硫氨酸-甘氨酸-天冬酰胺-亮氨酸-苏氨酸-丙氨酸-谷氨酰胺)乳化于不完全弗氏佐剂中,可在体内诱导出特异性抗病毒细胞毒性免疫反应。这种免疫使小鼠进入LCMV特异性保护状态,如在此类小鼠脾脏中LCMV复制受到抑制所示。这些小鼠的保护水平与CD8 +病毒特异性细胞毒性T细胞对肽攻击的反应能力相关。这直接证明肽疫苗在体内可具有抗病毒保护作用,从而鼓励进一步寻找可用作T细胞疫苗的合适稳定肽混合物。

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Synthetic peptides as vaccines.
Nature. 1987;330(6144):106-7. doi: 10.1038/330106b0.
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