Modeling human adaptive immune responses with tonsil organoids.

Modeling human adaptive immune responses with tonsil organoids.
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DOI:
10.1038/s41591-020-01145-0
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发表时间:
2021-01
期刊:
影响因子:
82.9
通讯作者:
Davis MM
Davis MM
中科院分区:
医学1区
文献类型:
--
作者:
Wagar LE;Salahudeen A;Constantz CM;Wendel BS;Lyons MM;Mallajosyula V;Jatt LP;Adamska JZ;Blum LK;Gupta N;Jackson KJL;Yang F;Röltgen K;Roskin KM;Blaine KM;Meister KD;Ahmad IN;Cortese M;Dora EG;Tucker SN;Sperling AI;Jain A;Davies DH;Felgner PL;Hammer GB;Kim PS;Robinson WH;Boyd SD;Kuo CJ;Davis MM

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Most of what we know about adaptive immunity has come from inbred mouse studies, using methods that are often difficult or impossible to confirm in humans. In addition, vaccine responses in mice are often poorly predictive of responses to those same vaccines in humans. Here we use human tonsils, readily available lymphoid organs, to develop a functional organotypic system that recapitulates key germinal center features in vitro, including the production of antigen-specific antibodies, somatic hypermutation and affinity maturation, plasmablast differentiation and class-switch recombination. We use this system to define the essential cellular components necessary to produce an influenza vaccine response. We also show that it can be used to evaluate humoral immune responses to two priming antigens, rabies vaccine and an adenovirus-based severe acute respiratory syndrome coronavirus 2 vaccine, and to assess the effects of different adjuvants. This system should prove useful for studying critical mechanisms underlying adaptive immunity in much greater depth than previously possible and to rapidly test vaccine candidates and adjuvants in an entirely human system.
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