Prevention of tuberculosis in rhesus macaques by a cytomegalovirus-based vaccine.

Prevention of tuberculosis in rhesus macaques by a cytomegalovirus-based vaccine.
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DOI:
10.1038/nm.4473
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发表时间:
2018-03
期刊:
影响因子:
82.9
通讯作者:
Picker LJ
Picker LJ
中科院分区:
医学1区
文献类型:
--
作者:
Hansen SG;Zak DE;Xu G;Ford JC;Marshall EE;Malouli D;Gilbride RM;Hughes CM;Ventura AB;Ainslie E;Randall KT;Selseth AN;Rundstrom P;Herlache L;Lewis MS;Park H;Planer SL;Turner JM;Fischer M;Armstrong C;Zweig RC;Valvo J;Braun JM;Shankar S;Lu L;Sylwester AW;Legasse AW;Messerle M;Jarvis MA;Amon LM;Aderem A;Alter G;Laddy DJ;Stone M;Bonavia A;Evans TG;Axthelm MK;Früh K;Edlefsen PT;Picker LJ

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尽管卡介苗(BCG)疫苗的广泛使用,但结核病(TB)仍然是单一感染因子(结核分枝杆菌或Mtb)导致全球死亡的主要原因。在这里,通过两项独立的Mtb攻击研究,我们证明了用编码Mtb抗原(Ag)插入片段的恒河猴巨细胞病毒载体皮下接种恒河猴(RM),(RhCMV/TB),其引发并维持高度效应子分化的、循环的和组织驻留的Mtb特异性CD 4+和CD 8+记忆T细胞应答,在支气管内Erdman株Mtb攻毒后,与未接种疫苗的对照组相比,可将Mtb感染和疾病的总体(肺和肺外)程度降低68%,攻毒发生在首次接种疫苗后约1年。两项研究中,34例RhCMV/TB接种RM中有14例(41%)通过计算机断层扫描(CT)扫描或攻毒后尸检显示无TB疾病(与17例未接种对照组中的0例相比),其中10例RM的所有组织中Mtb培养均为阴性,这是Erdman株Mtb RM攻毒模型中的一种特殊长期疫苗效应。这些结果表明,完全疫苗介导的高致病性结核分枝杆菌的免疫控制是可能的,如果免疫效应反应可以拦截结核分枝杆菌感染的最早阶段。
Despite widespread use of the Bacille Calmette-Guérin (BCG) vaccine, tuberculosis (TB) remains a leading cause of global mortality from a single infectious agent (Mycobacterium tuberculosis or Mtb). Here, over two independent Mtb challenge studies, we demonstrate that subcutaneous vaccination of rhesus macaques (RM) with Rhesus Cytomegalovirus vectors encoding Mtb antigen (Ag) inserts (RhCMV/TB), which elicit and maintain highly effector-differentiated, circulating and tissue-resident Mtb-specific CD4+ and CD8+ memory T cell responses, can reduce the overall (pulmonary and extra-pulmonary) extent of Mtb infection and disease by 68% compared to unvaccinated controls after intra-bronchial Erdman strain Mtb challenge, with challenge occurring at ~1 year after first vaccination. Fourteen of 34 RhCMV/TB-vaccinated RM (41%) across both studies showed no TB disease by computed tomography (CT) scan or at necropsy after challenge (compared with 0 of 17 unvaccinated controls) and 10 of these RM were Mtb culture-negative in all tissues, an exceptional long-term vaccine effect in the Erdman strain Mtb RM challenge model. These results suggest that complete vaccine-mediated immune control of highly pathogenic Mtb is possible if immune effector responses can intercept Mtb infection at its earliest stages.
DOI: 10.1093/bioinformatics/btu638
发表时间: 2015-01-15
期刊: Bioinformatics (Oxford, England)
影响因子: --
作者:
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发表时间: 2011-08-15
期刊: Journal of immunology (Baltimore, Md. : 1950)
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发表时间: 2015-03
影响因子: 8.7
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Cliff JM;Kaufmann SH;McShane H;van Helden P;O'Garra A
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DOI: 10.1126/science.aac9475
发表时间: 2016-02-12
期刊: Science (New York, N.Y.)
影响因子: --
作者:
Hansen SG;Wu HL;Burwitz BJ;Hughes CM;Hammond KB;Ventura AB;Reed JS;Gilbride RM;Ainslie E;Morrow DW;Ford JC;Selseth AN;Pathak R;Malouli D;Legasse AW;Axthelm MK;Nelson JA;Gillespie GM;Walters LC;Brackenridge S;Sharpe HR;López CA;Früh K;Korber BT;McMichael AJ;Gnanakaran S;Sacha JB;Picker LJ
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发表时间: 2010-08-19
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