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Synthesizing AND gate genetic circuits based on CRISPR-Cas9 for identification of bladder cancer cells

Author

Listed:
  • Yuchen Liu

    (Key Laboratory of Medical Reprogramming Technology, Shenzhen Second People’s Hospital, First Affiliated Hospital of Shenzhen University)

  • Yayue Zeng

    (Key Laboratory of Medical Reprogramming Technology, Shenzhen Second People’s Hospital, First Affiliated Hospital of Shenzhen University)

  • Li Liu

    (Key Laboratory of Medical Reprogramming Technology, Shenzhen Second People’s Hospital, First Affiliated Hospital of Shenzhen University)

  • Chengle Zhuang

    (Key Laboratory of Medical Reprogramming Technology, Shenzhen Second People’s Hospital, First Affiliated Hospital of Shenzhen University)

  • Xing Fu

    (Key Laboratory of Medical Reprogramming Technology, Shenzhen Second People’s Hospital, First Affiliated Hospital of Shenzhen University)

  • Weiren Huang

    (Key Laboratory of Medical Reprogramming Technology, Shenzhen Second People’s Hospital, First Affiliated Hospital of Shenzhen University)

  • Zhiming Cai

    (Key Laboratory of Medical Reprogramming Technology, Shenzhen Second People’s Hospital, First Affiliated Hospital of Shenzhen University)

Abstract

The conventional strategy for cancer gene therapy offers limited control of specificity and efficacy. A possible way to overcome these limitations is to construct logic circuits. Here we present modular AND gate circuits based on CRISPR-Cas9 system. The circuits integrate cellular information from two promoters as inputs and activate the output gene only when both inputs are active in the tested cell lines. Using the luciferase reporter as the output gene, we show that the circuit specifically detects bladder cancer cells and significantly enhances luciferase expression in comparison to the human telomerase reverse transcriptase-renilla luciferase construct. We also test the modularity of the design by replacing the output with other cellular functional genes including hBAX, p21 and E-cadherin. The circuits effectively inhibit bladder cancer cell growth, induce apoptosis and decrease cell motility by regulating the corresponding gene. This approach provides a synthetic biology platform for targeting and controlling bladder cancer cells in vitro.

Suggested Citation

  • Yuchen Liu & Yayue Zeng & Li Liu & Chengle Zhuang & Xing Fu & Weiren Huang & Zhiming Cai, 2014. "Synthesizing AND gate genetic circuits based on CRISPR-Cas9 for identification of bladder cancer cells," Nature Communications, Nature, vol. 5(1), pages 1-7, December.
    • Handle: RePEc:nat:natcom:v:5:y:2014:i:1:d:10.1038_ncomms6393
    DOI: 10.1038/ncomms6393
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    Cited by:

    1. Yafeng Wang & Guiquan Zhang & Qingzhou Meng & Shisheng Huang & Panpan Guo & Qibin Leng & Lingyun Sun & Geng Liu & Xingxu Huang & Jianghuai Liu, 2022. "Precise tumor immune rewiring via synthetic CRISPRa circuits gated by concurrent gain/loss of transcription factors," Nature Communications, Nature, vol. 13(1), pages 1-15, December.

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