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Shi, Xiao‐Mei; Xu, Yi‐Tong; Wang, Bing; Li, Zheng; Yu, Si‐Yuan; Dong, Hang; Zhao, Wei‐Wei; Jiang, Dechen; Chen, Hong‐Yuan; Xu, Jing‐Juan
Angewandte Chemie International Edition, July 17, 2023, Letnik: 62, Številka: 29Journal Article
Single‐cell epigenetics is envisioned to decipher manifold epigenetic phenomena and to contribute to our accurate knowledge about basic epigenetic mechanisms. Engineered nanopipette technology has gained momentum in single‐cell studies; however, solutions to epigenetic questions remain unachieved. This study addresses the challenge by exploring N6‐methyladenine (m6A)‐bearing deoxyribozyme (DNAzyme) confined within a nanopipette for profiling a representative m6A‐modifying enzyme, fat mass and obesity‐associated protein (FTO). Electroosmotic intracellular extraction of FTO could remove the m6A and cause DNAzyme cleavage, leading to the altered ionic current signal. Because the cleavage can release a DNA sequence, we simultaneously program it as an antisense strand against FTO‐mRNA, intracellular injection of which has been shown to induce early stage apoptosis. This nanotool thus features the dual functions of studying single‐cell epigenetics and programmable gene regulation. An integrated iontronic nanotool was developed for the study of single‐cell epigenetics and programmable gene regulation. With the nanotool, an N6‐methyladenine (m6A)‐modified deoxyribozyme (DNAzyme) was used for profiling a representative m6 A‐modifying enzyme, fat mass and obesity‐associated protein (FTO), which also released a DNA sequence that could be programmed as an antisense strand against intracellular FTO‐mRNA.
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Leto | Faktor vpliva | Izdaja | Kategorija | Razvrstitev | ||||
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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Vir: Osebne bibliografije
in: SICRIS
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