On-demand biomanufacturing of protective conjugate vaccines.

On-demand biomanufacturing of protective conjugate vaccines.
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保护性共轭疫苗的按需生物制造。

DOI:
10.1126/sciadv.abe9444
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发表时间:
2021-03
期刊:
影响因子:
13.6
通讯作者:
Jewett MC
Jewett MC
中科院分区:
综合性期刊1区
文献类型:
--
作者:
Stark JC;Jaroentomeechai T;Moeller TD;Hershewe JM;Warfel KF;Moricz BS;Martini AM;Dubner RS;Hsu KJ;Stevenson TC;Jones BD;DeLisa MP;Jewett MC

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In vitro conjugate vaccine expression technology enables rapid and portable biosynthesis of protective antibacterial vaccines. Conjugate vaccines are among the most effective methods for preventing bacterial infections. However, existing manufacturing approaches limit access to conjugate vaccines due to centralized production and cold chain distribution requirements. To address these limitations, we developed a modular technology for in vitro conjugate vaccine expression (iVAX) in portable, freeze-dried lysates from detoxified, nonpathogenic Escherichia coli. Upon rehydration, iVAX reactions synthesize clinically relevant doses of conjugate vaccines against diverse bacterial pathogens in 1 hour. We show that iVAX-synthesized vaccines against Francisella tularensis subsp. tularensis (type A) strain Schu S4 protected mice from lethal intranasal F. tularensis challenge. The iVAX platform promises to accelerate development of new conjugate vaccines with increased access through refrigeration-independent distribution and portable production.
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