期刊
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA
卷 115, 期 26, 页码 6685-6690出版社
NATL ACAD SCIENCES
DOI: 10.1073/pnas.1802233115
关键词
high-throughput screening; nanoliter droplet; drug synergy; antibiotics; small molecules
资金
- National Science Foundation Graduate Research Fellowship Program
- MIT Institute for Medical Engineering and Science Broshy Fellowship
- Burroughs Wellcome Fund
- MIT Deshpande Center Innovation Grant
- Gordon and Betty Moore Foundation
- Research Corporation for Science Advancement
- Dana Farber/Harvard Cancer Center
- Koch Institute for Integrative Cancer Research at MIT
Combinatorial drug treatment strategies perturb biological networks synergistically to achieve therapeutic effects and represent major opportunities to develop advanced treatments across a variety of human disease areas. However, the discovery of new combinatorial treatments is challenged by the sheer scale of combinatorial chemical space. Here, we report a high-throughput system for nanoliter-scale phenotypic screening that formulates a chemical library in nanoliter droplet emulsions and automates the construction of chemical combinations en masse using parallel droplet processing. We applied this system to predict synergy between more than 4,000 investigational and approved drugs and a panel of 10 antibiotics against Escherichia coli, a model gram-negative pathogen. We found a range of drugs not previously indicated for infectious disease that synergize with antibiotics. Our validated hits include drugs that synergize with the antibiotics vancomycin, erythromycin, and novobiocin, which are used against gram-positive bacteria but are not effective by themselves to resolve gram-negative infections.
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