Vaccine-elicited human T cells recognizing conserved protein regions inhibit HIV-1.
Vaccine-elicited human T cells recognizing conserved protein regions inhibit HIV-1.
复制标题
疫苗吸引的人T细胞识别保守的蛋白质区域抑制HIV-1。
DOI:
10.1038/mt.2013.248
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发表时间:
2014-02
期刊:
影响因子:
--
通讯作者:
中科院分区:
文献类型:
--
作者:
Virus diversity and escape from immune responses are the biggest challenges to the development of an effective vaccine against HIV-1. We hypothesized that T-cell vaccines targeting the most conserved regions of the HIV-1 proteome, which are common to most variants and bear fitness costs when mutated, will generate effectors that efficiently recognize and kill virus-infected cells early enough after transmission to potentially impact on HIV-1 replication and will do so more efficiently than whole protein-based T-cell vaccines. Here, we describe the first-ever administration of conserved immunogen vaccines vectored using prime-boost regimens of DNA, simian adenovirus and modified vaccinia virus Ankara to uninfected UK volunteers. The vaccine induced high levels of effector T cells that recognized virus-infected autologous CD4+ cells and inhibited HIV-1 replication by up to 5.79 log10. The virus inhibition was mediated by both Gag- and Pol- specific effector CD8+ T cells targeting epitopes that are typically subdominant in natural infection. These results provide proof of concept for using a vaccine to target T cells at conserved epitopes, showing that these T cells can control HIV-1 replication in vitro.
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影响因子:
15.3
作者:
Kelleher, A D;Long, C;Holmes, E C;Allen, R L;Wilson, J;Conlon, C;Workman, C;Shaunak, S;Olson, K;Goulder, P;Brander, C;Ogg, G;Sullivan, J S;Dyer, W;Jones, I;McMichael, A J;Rowland-Jones, S;Phillips, R E
通讯作者:
Phillips, R E
影响因子:
32.4
作者:
Ferguson AL;Mann JK;Omarjee S;Ndung'u T;Walker BD;Chakraborty AK
通讯作者:
Chakraborty AK
影响因子:
15.9
作者:
Liu, Michael K. P.;Hawkins, Natalie;Goonetilleke, Nilu
通讯作者:
Goonetilleke, Nilu
影响因子:
20.3
作者:
Fujiwara, Mamoru;Takiguchi, Masafumi
通讯作者:
Takiguchi, Masafumi
影响因子:
82.9
作者:
Fischer, Will;Perkins, Simon;Korber, Bette T.
通讯作者:
Korber, Bette T.