A logic “OR” gate composed of a blue light-induced CRISPR/dCas9 system and a Tet-on system activates cancer suppressor genes to inhibit the growth of cutaneous squamous cell carcinoma cells

Xinbo Huang, Jieyi Wang, Xia Wu, Bin Jiang, Menghui Chen, Han Chen, Yan Mao, Cheng zhou, Bo Yu*

*Corresponding author for this work

Research output: Contribution to journalJournal Articlepeer-review

1 Citation (Scopus)

Abstract

Optogenetic systems and tetracycline-induced expression systems have been used in biological research. In gene circuits, light and tetracycline are often used to control the activation or inhibition of gene expression. In our study, we used a blue light induction system and tetracycline induction system to construct an “OR” logic gate, which can specifically induce the expression of p53 protein or E-cadherin in the case of blue light or tetracycline, thus inhibiting the growth of cutaneous squamous cell carcinoma cells. Cutaneous squamous cell carcinoma is a kind of skin surface tumour. The activation of two tumour suppressor genes has a synergistic inhibitory effect on cutaneous squamous cell carcinoma, and blue light and tetracycline also provide a flexible means for gene regulation.

Original languageEnglish
Article numbere125
JournalClinical and Translational Discovery
Volume2
Issue number4
DOIs
Publication statusPublished - Dec 2022
Externally publishedYes

Bibliographical note

Publisher Copyright:
© 2022 The Authors. Clinical and Translational Discovery published by John Wiley & Sons Australia, Ltd on behalf of Shanghai Institute of Clinical Bioinformatics.

Keywords

  • CRISPR
  • cutaneous squamous cell carcinoma
  • light induction system
  • logic gate
  • tetracycline induction system

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