Evidence map›Paper›PMID 27723754›Full record

ArticleNature methods2016

Targeted AID-mediated mutagenesis (TAM) enables efficient genomic diversification in mammalian cells.

Yunqing Ma, Jiayuan Zhang, Weijie Yin, Zhenchao Zhang, Yan Song, Xing Chang

Abstract read
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In one paragraph

Article in Nature methods, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 256 papers.

0numbers the graph read from it
0cells of the map it votes in
256citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

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Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

256 citing papers in PubMed.

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196 more citing papers are in PubMed but not listed here.

4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

6 authors.

Yunqing MaKey Laboratory of Stem Cell Biology, Institute of Health Sciences, Shanghai Institutes for Biological Sciences &Shanghai Jiao Tong University School of Medicine (SJTUSM), Chinese Academy of Sciences, Shanghai, China.
Jiayuan ZhangKey Laboratory of Stem Cell Biology, Institute of Health Sciences, Shanghai Institutes for Biological Sciences &Shanghai Jiao Tong University School of Medicine (SJTUSM), Chinese Academy of Sciences, Shanghai, China.
Weijie YinKey Laboratory of Stem Cell Biology, Institute of Health Sciences, Shanghai Institutes for Biological Sciences &Shanghai Jiao Tong University School of Medicine (SJTUSM), Chinese Academy of Sciences, Shanghai, China.
Zhenchao ZhangKey Laboratory of Stem Cell Biology, Institute of Health Sciences, Shanghai Institutes for Biological Sciences &Shanghai Jiao Tong University School of Medicine (SJTUSM), Chinese Academy of Sciences, Shanghai, China.
Yan SongDepartment of Cellular and Molecular Medicine, University of California at San Diego, La Jolla, La Jolla, California, USA.
Xing ChangKey Laboratory of Stem Cell Biology, Institute of Health Sciences, Shanghai Institutes for Biological Sciences &Shanghai Jiao Tong University School of Medicine (SJTUSM), Chinese Academy of Sciences, Shanghai, China.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

A large number of genetic variants have been associated with human diseases. However, the lack of a genetic diversification approach has impeded our ability to interrogate functions of genetic variants in mammalian cells. Current screening methods can only be used to disrupt a gene or alter its expression. Here we report the fusion of activation-induced cytidine deaminase (AID) with nuclease-inactive clustered regularly interspaced short palindromic repeats (CRISPR)-associated protein 9 (dCas9) for efficient genetic diversification, which enabled high-throughput screening of functional variants. Guided by single guide (sg)RNAs, dCas9-AID-P182X (AIDx) directly changed cytidines or guanines to the other three bases independent of AID hotspot motifs, generating a large repertoire of variants at desired loci. Coupled with a uracil-DNA glycosylase inhibitor, dCas9-AIDx converted targeted cytidines specifically to thymines, creating specific point mutations. By targeting BCR-ABL with dCas9-AIDx, we efficiently identified known and new mutations conferring imatinib resistance in chronic myeloid leukemia cells. Thus, targeted AID-mediated mutagenesis (TAM) provides a forward genetic tool to screen for gain-of-function variants at base resolution.

Indexed as

Mutagenesis, Site-DirectedRNA, Guide, CRISPR-Cas SystemsAICDA (Activation-Induced Cytidine Deaminase)Cell Culture TechniquesClustered Regularly Interspaced Short Palindromic RepeatsCRISPR-Associated ProteinsCytidine DeaminaseDrug Resistance, NeoplasmFusion Proteins, bcr-ablGene TargetingGreen Fluorescent ProteinsHEK293 CellsHumansImatinib MesylateK562 CellsPoint MutationAICDA (Activation-Induced Cytidine Deaminase)CRISPR-Associated ProteinsCytidine Deaminaseenhanced green fluorescent proteinFusion Proteins, bcr-ablGreen Fluorescent ProteinsImatinib MesylateRecombinant Fusion ProteinsRNA, Guide, CRISPR-Cas Systems

Identifiers

PMID27723754

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.