期刊
NATURE METHODS
卷 13, 期 11, 页码 938-+出版社
NATURE PUBLISHING GROUP
DOI: 10.1038/NMETH.3994
关键词
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资金
- National Key Basic Research Program of China (973 Program) [2014CB745201]
- National Natural Science Foundation of China [81402103]
- Shenzhen Municipal Government of China [ZDSYS201504301722174, JCYJ20150330102720130, GJHZ20150316154912494]
- Special Support Funds of Shenzhen for Introduced High-Level Medical Team
- Shenzhen High Level Medical Discipline Development Program [2016031638]
The complex phenotypes of eukaryotic cells are controlled by decision-making circuits and signaling pathways. A key obstacle to implementing artificial connections in signaling networks has been the lack of synthetic devices for efficient sensing, processing and control of biological signals. By extending sgRNAs to include modified riboswitches that recognize specific signals, we can create CRISPR-Cas9-based 'signal conductors' that regulate transcription of endogenous genes in response to external or internal signals of interest. These devices can be used to construct all the basic types of Boolean logic gates that perform logical signal operations in mammalian cells without needing the layering of multiple genetic circuits. They can also be used to rewire cellular signaling events by constructing synthetic links that couple different signaling pathways. Moreover, this approach can be applied to redirect oncogenic signal transduction by controlling simultaneous bidirectional (ON-OFF) gene transcriptions, thus enabling reprogramming of the fate of cancer cells.
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