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对编码丙型肝炎病毒核心蛋白的质粒DNA的免疫反应。

Immune responses to plasmid DNA encoding the hepatitis C virus core protein.

作者信息

Lagging L M, Meyer K, Hoft D, Houghton M, Belshe R B, Ray R

机构信息

Division of Infectious Diseases and Immunology, Saint Louis University Health Sciences Center, MO 63104, USA.

出版信息

J Virol. 1995 Sep;69(9):5859-63. doi: 10.1128/JVI.69.9.5859-5863.1995.

Abstract

Hepatitis C virus (HCV) is a major causative agent of parenterally transmitted non-A, non-B hepatitis. The genomic region encoding the virion-associated core protein is relatively conserved among HCV strains. To generate a DNA vaccine capable of expressing the HCV core protein, the genomic region encoding amino acid residues 1 to 191 of the HCV-1 strain was amplified and cloned into an eukaryotic expression vector. Intramuscular inoculation of recombinant plasmid DNA into BALB/c mice (H-2d) generated core-specific antibody responses, lymphoproliferative responses, and cytotoxic T-lymphocyte activity. Our results suggest that the HCV core polynucleotide warrants further investigation as a potential vaccine against HCV infection.

摘要

丙型肝炎病毒(HCV)是经肠道外传播的非甲非乙型肝炎的主要病原体。编码病毒体相关核心蛋白的基因组区域在HCV毒株中相对保守。为了构建一种能够表达HCV核心蛋白的DNA疫苗,将编码HCV-1毒株氨基酸残基1至191的基因组区域进行扩增,并克隆到真核表达载体中。将重组质粒DNA肌肉注射到BALB/c小鼠(H-2d)体内可产生核心特异性抗体反应、淋巴细胞增殖反应和细胞毒性T淋巴细胞活性。我们的结果表明,HCV核心多核苷酸作为一种潜在的抗HCV感染疫苗值得进一步研究。

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