Evidence map›Paper›PMID 38937969›Full record

ArticleMolecular therapy : the journal of the American Society of Gene Therapy2024

An aptamer-mediated base editing platform for simultaneous knockin and multiple gene knockout for allogeneic CAR-T cells generation.

Immacolata Porreca, Robert Blassberg, Jennifer Harbottle, Bronwyn Joubert, Olga Mielczarek, Jesse Stombaugh, Kevin Hemphill, Jonathan Sumner, Deividas Pazeraitis, Julia Liz Touza and 10 more

Abstract read
In one paragraph

Article in Molecular therapy : the journal of the American Society of Gene Therapy, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.

0numbers the graph read from it
0cells of the map it votes in
9citing 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

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

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

9 citing papers in PubMed.

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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

20 authors.

Immacolata PorrecaRevvity, 8100 Cambridge Research Park, Cambridge CB25 9TL, UK. Electronic address: immacolata.porreca@revvity.com.
Robert BlassbergRevvity, 8100 Cambridge Research Park, Cambridge CB25 9TL, UK.
Jennifer HarbottleRevvity, 8100 Cambridge Research Park, Cambridge CB25 9TL, UK.
Bronwyn JoubertRevvity, 8100 Cambridge Research Park, Cambridge CB25 9TL, UK.
Olga MielczarekRevvity, 8100 Cambridge Research Park, Cambridge CB25 9TL, UK.
Jesse StombaughRevvity, 2650 Crescent Drive, Lafayette, CO 80026, USA.
Kevin HemphillRevvity, 2650 Crescent Drive, Lafayette, CO 80026, USA.
Jonathan SumnerAstraZeneca, Discovery Sciences, R&D, 1 Francis Crick Avenue, Cambridge Biomedical Campus, Cambridge CB2 0AA, UK.
Deividas PazeraitisAstraZeneca, Discovery Sciences, R&D, 1 Francis Crick Avenue, Cambridge Biomedical Campus, Cambridge CB2 0AA, UK.
Julia Liz TouzaAstraZeneca, Discovery Sciences, BioPharmaceuticals R&D Unit, AstraZeneca, Pepparedsleden 1, 431 83 Mölndal, Sweden.
Margherita FrancescattoAstraZeneca, Discovery Sciences, BioPharmaceuticals R&D Unit, AstraZeneca, Pepparedsleden 1, 431 83 Mölndal, Sweden.
Mike FirthAstraZeneca, Discovery Sciences, R&D, 1 Francis Crick Avenue, Cambridge Biomedical Campus, Cambridge CB2 0AA, UK.
Tommaso SelmiRevvity, 8100 Cambridge Research Park, Cambridge CB25 9TL, UK.
Juan Carlos CollantesDepartamento de Biotecnología, Colegio de Ciencias Biológicas y Ambientales, Universidad San Francisco de Quito, Campus Cumbayá, Casilla Postal 17-1200-841, Quito 170901, Ecuador.
Zaklina StrezoskaRevvity, 2650 Crescent Drive, Lafayette, CO 80026, USA.
Benjamin TaylorAstraZeneca, Discovery Sciences, R&D, 1 Francis Crick Avenue, Cambridge Biomedical Campus, Cambridge CB2 0AA, UK.
Shengkan JinPharmacology Department, Rutgers, The State University of New Jersey, Robert Wood Johnson Medical School, 675 Hoes Lane West, Piscataway, NJ 08854, USA.
Ceri M WigginsRevvity, 8100 Cambridge Research Park, Cambridge CB25 9TL, UK.
Anja van Brabant SmithRevvity, 2650 Crescent Drive, Lafayette, CO 80026, USA.
John J LambourneRevvity, 8100 Cambridge Research Park, Cambridge CB25 9TL, UK.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Gene editing technologies hold promise for enabling the next generation of adoptive cellular therapies. In conventional gene editing platforms that rely on nuclease activity, such as clustered regularly interspaced short palindromic repeats CRISPR-associated protein 9 (CRISPR-Cas9), allow efficient introduction of genetic modifications; however, these modifications occur via the generation of DNA double-strand breaks (DSBs) and can lead to unwanted genomic alterations and genotoxicity. Here, we apply a novel modular RNA aptamer-mediated Pin-point base editing platform to simultaneously introduce multiple gene knockouts and site-specific integration of a transgene in human primary T cells. We demonstrate high editing efficiency and purity at all target sites and significantly reduced frequency of chromosomal translocations compared with the conventional CRISPR-Cas9 system. Site-specific knockin of a chimeric antigen receptor and multiplex gene knockout are achieved within a single intervention and without the requirement for additional sequence-targeting components. The ability to perform complex genome editing efficiently and precisely highlights the potential of the Pin-point platform for application in a range of advanced cell therapies.

Indexed as

Aptamers, NucleotideCRISPR-Cas SystemsGene EditingGene Knockout TechniquesT-LymphocytesGene Knock-In TechniquesHumansImmunotherapy, AdoptiveReceptors, Chimeric AntigenTransgenesAptamers, NucleotideReceptors, Chimeric Antigenadvanced genome editingallogeneic cell therapybase editingCRISPRgene editingknockinknockoutmultiple base editingmultiple gene knockouttransgene integration

Identifiers

PMID38937969
PMCPMC11405993

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Registered trials

None linked

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.