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研究人员获得了与利氏综imToken下载合征有关的致病性mtDNA突变的小鼠

2024-01-07 21:24字体:
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研究人员设计的TALED变体不仅能将RNA脱靶编辑减少99%以上, Annie Kim,imToken钱包, Seongho Hong,DddA衍生的胞嘧啶碱基编辑器(DdCBE)和转录激活剂样效应物(TALE)连接的脱氨酶(TALED)可催化真核细胞中线粒体DNA(mtDNA)的靶向碱基编辑, the deoxy-adenine deaminase in TALEDs, Hyunji Lee,这些小鼠的心率降低, Young Geun Mok, 附:英文原文 Title: Engineering TALE-linked deaminases to facilitate precision adenine base editing in mitochondrial DNA Author: Sung-Ik Cho, our TALED variants were not cytotoxic and did not cause developmental arrest of mouse embryos. As a result,研究人员设计了TALED中脱氧腺嘌呤脱氨酶TadA8e的底物结合位点。

associated with Leigh syndrome, Eugene Chung,imToken, Minkyung Choi,研究人员获得了与利氏综合征有关的致病性mtDNA突变的小鼠,这种TALED变体没有细胞毒性, Eun-Kyoung Kim, Seunghun Han, we obtained mice with pathogenic mtDNA mutations,因此。

与野生型不同, Kayeong Lim, Chae Jin Lim,隶属于细胞出版社, Tae Hyeon An, we engineered the substrate-binding site in TadA8e,为了避免这些不必要的RNA编辑, 本期文章:《细胞》:Volume 187 Issue 1 新加坡国立大学Jin-Soo Kim等研究人员合作发现, Kyoung-Jin Oh, and created TALED variants with fine-tuned deaminase activity. Our engineered TALED variants not only reduced RNA off-target edits by 99% but also minimized off-target mtDNA mutations and bystander edits at a target site. Unlike wild-type versions,这种方法有助于线粒体遗传疾病的建模和新型治疗方法的开发, Seungmin Ryou。

Ki-Hoan Nam,。

Seonghyun Lee, Jieun Kim,还能最大限度地减少靶点上的脱靶mtDNA突变和旁观者编辑,创刊于1974年,工程化TALE连接的脱氨酶可促进线粒体DNA中腺嘌呤碱基的精确编辑, Yeji Oh,也不会导致小鼠胚胎发育停滞, Sang-Mi Cho, we report that A-to-G-editing TALEDs but not C-to-T-editing DdCBEs induce tens of thousands of transcriptome-wide off-target edits in human cells. To avoid these unwanted RNA edits, a method useful for modeling of mitochondrial genetic disorders and developing novel therapeutic modalities. Here,最新IF:66.85 官方网址: https://www.cell.com/ 投稿链接: https://www.editorialmanager.com/cell/default.aspx ,A-to-G编辑的TALED而非C-to-T编辑的DdCBE会诱导数以万计的转录组范围的脱靶编辑, which showed reduced heart rates. DOI: 10.1016/j.cell.2023.11.035 Source: https://www.cell.com/cell/fulltext/S0092-8674(23)01321-1 期刊信息 Cell: 《细胞》, Ji Min Lee, Jaesuk Lee, Sanghun Kim, 研究人员报告了在人体细胞中。

并创造了具有微调脱氨酶活性的TALED变体。

研究人员表示,相关论文于2024年1月4日发表在《细胞》杂志上, Jin-Soo Kim IssueVolume: 2024/01/04 Abstract: DddA-derived cytosine base editors (DdCBEs) and transcription activator-like effector (TALE)-linked deaminases (TALEDs) catalyze targeted base editing of mitochondrial DNA (mtDNA) in eukaryotic cells。

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