Biodistribution and immunity of adenovirus 5/35 and modified vaccinia Ankara vector vaccines against human immunodeficiency virus 1 clade C

Biodistribution and immunity of adenovirus 5/35 and modified vaccinia Ankara vector vaccines against human immunodeficiency virus 1 clade C
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腺病毒 5/35 和改良痘苗安卡拉载体疫苗针对人类免疫缺陷病毒 1 进化枝 C 的生物分布和免疫

DOI:
10.1038/s41434-021-00308-z
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发表时间:
2022
期刊:
影响因子:
5.1
通讯作者:
Okuda Kenji
Okuda Kenji
中科院分区:
医学3区
文献类型:
--
作者:
Shimada Masaru;Wang Haibin;Ichino Motohide;Ura Takehiro;Mizuki Nobuhisa;Okuda Kenji

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在此之前,我们开发了具有35型纤维的嵌合腺病毒5型(Ad 5/35),其具有对树突状细胞的高度嗜性和低肝毒性。为了进一步临床应用,我们构建了两个表达人类免疫缺陷病毒1型(HIV-1)进化枝C gag的重组载体(Ad 5/35-Cgag和MVA-Cgag)。评估了两种病毒载体在小鼠模型中的生物分布和猴中的免疫力。小鼠接受单独的载体的单次肌内注射。采用实时定量聚合酶链反应定期检测组织中的gag基因。还使用体内成像系统检测Ad 5/35的分布,随后施用表达腺苷三磷酸酶的Ad 5/35。我们发现Ad 5/35-Cgag DNA和荧光素酶活性在给药后8周可检测到,而MVA-Cgag在给药后72小时检测不到。此外,在小鼠或猴模型中,病毒给药均未增加血清天冬氨酸转氨酶和丙氨酸转氨酶水平。肌肉注射Ad 5/35-Cgag可诱导PBMC产生gag特异性抗体和IFNγ分泌,MVA-Cgag加强免疫可进一步增强免疫应答,并持续20周以上。这些数据表明,Ad 5/35和MVA载体对于体内使用是安全的,并且使用Ad 5/35-MVA疫苗的初免-加强适用于针对HIV-1进化枝C的临床使用。
Previously, we developed a chimeric adenovirus type 5 with type 35 fiber (Ad5/35), which has high tropism to dendritic cells and low hepatoxicity. For further clinical use, we constructed two recombinant vectors expressing human immunodeficiency virus 1 (HIV-1) clade C gag (Ad5/35-Cgag and MVA-Cgag). The biodistribution of the two viral vectors in a mouse model and immunity in monkeys were assessed. The mice received a single intramuscular injection with the vectors alone. The gag gene in the tissues were periodically detected using a real-time quantitative polymerase chain reaction. The distribution of Ad5/35 was also detected using an in vivo imaging system, followed by luciferase-expressing Ad5/35 administration. We found that Ad5/35-Cgag DNA and luciferase activity were detectable until 8 weeks post-administration, whereas MVA-Cgag was undetectable 72 h post-administration. Furthermore, viral administration did not increase serum aspartate aminotransferase and alanine aminotransferase levels in either mouse or monkey models. Moreover, intramuscular administration of Ad5/35-Cgag induced the gag-specific antibody level and IFNγ-secreting PBMCs, the boost with MVA-Cgag further increased the responses and lasted more than 20 weeks from the initial administration. These data demonstrate that Ad5/35 and MVA vectors are safe for in vivo use, and prime-boost with Ad5/35-MVA vaccines is suitable for clinical use against HIV-1 clade C.
用猿猴免疫缺陷病毒 (SIV) gag/pol DNA 和重组牛痘病毒株 DI 连续给小鼠进行初免-加强疫苗接种,可引发有效的抗 SIV 免疫力。
DOI: --
发表时间: 2004
期刊: J Virol 78巻
影响因子: --
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Someya K.
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携带优化的人类免疫缺陷病毒进化枝C基因和各种启动子的嵌合腺病毒5/35载体的免疫原性比较
DOI: --
发表时间: 2012
期刊: PLoS ONE
影响因子: 3.7
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DOI: 10.1056/nejmoa1310566
发表时间: 2013-11-28
期刊: The New England journal of medicine
影响因子: --
作者:
Hammer SM;Sobieszczyk ME;Janes H;Karuna ST;Mulligan MJ;Grove D;Koblin BA;Buchbinder SP;Keefer MC;Tomaras GD;Frahm N;Hural J;Anude C;Graham BS;Enama ME;Adams E;DeJesus E;Novak RM;Frank I;Bentley C;Ramirez S;Fu R;Koup RA;Mascola JR;Nabel GJ;Montefiori DC;Kublin J;McElrath MJ;Corey L;Gilbert PB;HVTN 505 Study Team
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