Muscle-specific expression of hepatitis B surface antigen: no effect on DNA-raised immune responses.

Muscle-specific expression of hepatitis B surface antigen: no effect on DNA-raised immune responses.
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乙型肝炎表面抗原的肌肉特异性表达:对 DNA 引发的免疫反应没有影响。

DOI:
10.1006/viro.1999.9795
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发表时间:
1999
期刊:
影响因子:
3.7
通讯作者:
M. Michel
M. Michel
中科院分区:
医学3区
文献类型:
--
作者:
D. Loirat;Zhenlin Li;M. Mancini;P. Tiollais;D. Paulin;M. Michel

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将编码B型肝炎病毒(HBV)包膜蛋白的质粒DNA注射到小鼠肌肉中导致特异性体液和细胞免疫应答的诱导。大多数关于基于DNA的免疫的研究使用病毒启动子来驱动抗原表达。在这项研究中,我们比较了肌肉特异性启动子,人结蛋白基因启动子,与常用的巨细胞病毒(CMV)早期基因启动子的效率。我们发现,即使在注射了少至10微克的DNA后,来自人结蛋白基因启动子的HBV包膜蛋白的体外表达增加对体内免疫应答也没有影响。在人结蛋白基因启动子或CMV启动子的控制下,注射编码HBV包膜蛋白的载体以可比的水平和相同的持续时间诱导体液和细胞毒性免疫应答。通过用坏死剂预处理肌肉将抗原呈递细胞募集到DNA注射部位增加了反应的早熟性和强度,特别是当使用非特异性CMV载体时。
The injection of plasmid DNA encoding hepatitis B virus (HBV) envelope proteins in mouse muscle leads to the induction of specific humoral and cellular immune responses. Most studies on DNA-based immunization have used viral promoters to drive antigen expression. In this study, we compared the efficiency of a muscle-specific promoter, the human desmin gene promoter, with the commonly used cytomegalovirus (CMV) early gene promoter. We showed that increased in vitro expression of HBV envelope proteins from the human desmin gene promoter has no effect on the in vivo immune response even after the injection of as little as 10 micrograms of DNA. The injection of vectors encoding HBV envelope proteins under the control of either the human desmin gene promoter or the CMV promoter induced humoral and cytotoxic immune responses at comparable levels and of the same duration. The recruitment of antigen-presenting cells to the DNA injection site by pretreatment of muscle with a necrotizing agent increases the precocity and the intensity of the responses, particularly when the nonspecific CMV vector was used.
DOI: 10.1073/pnas.94.17.9378
发表时间: 1997-08-19
影响因子: 11.1
作者:
Letvin, NL;Montefiori, DC;Shiver, JW
通讯作者: Shiver, JW
DOI: --
发表时间: 1996-03
期刊: Gene therapy
影响因子: 5.1
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基因枪和肌内 DNA 免疫对靶位点组织的不同依赖性。
DOI: --
发表时间: 1997
期刊: Journal of immunology (Baltimore, Md. : 1950)
影响因子: --
作者:
Torres,CA;Iwasaki,A;Barber,BH;Robinson,HL
通讯作者: Robinson,HL