Evidence map›Paper›PMID 33433623›Full record

ArticleThe Journal of experimental medicine2021

A robust platform for expansion and genome editing of primary human natural killer cells.

Rih-Sheng Huang, Min-Chi Lai, Hsin-An Shih, Steven Lin

Abstract read
In one paragraph

Article in The Journal of experimental medicine, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 63 papers.

0numbers the graph read from it
0cells of the map it votes in
63citing 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

63 citing papers in PubMed.

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3 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

4 authors.

Rih-Sheng HuangInstitute of Biological Chemistry, Academia Sinica, Taipei, Taiwan.
Min-Chi LaiInstitute of Biological Chemistry, Academia Sinica, Taipei, Taiwan.
Hsin-An ShihInstitute of Biological Chemistry, Academia Sinica, Taipei, Taiwan.
Steven LinInstitute of Biological Chemistry, Academia Sinica, Taipei, Taiwan.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Genome editing is a powerful technique for delineating complex signaling circuitry and enhancing the functionality of immune cells for immunotherapy. Natural killer (NK) cells are potent immune effectors against cell malignancy, but they are challenging to modify genetically by conventional methods due to the toxicity of DNA when introduced into cells coupled with limited transfection and transduction efficiency. Here, we describe an integrated platform that streamlines feeder-free ex vivo expansion of cryopreserved primary human NK cells and nonviral genome editing by the nucleofection of CRISPR-Cas9 ribonucleoproteins (Cas9 RNPs). The optimized Cas9 nucleofection protocol allows efficient and multiplex gene knockout in NK cells while preserving high cell viability and negligible off-target effects. Cointroduction of a DNA template also enables in-frame gene knock-in of an HA affinity tag and a gfp reporter across multiple loci. This work demonstrates the advantages and flexibility of working with cryopreserved NK cells as potential off-the-shelf engineered therapeutic agents.

Indexed as

Gene EditingAmino Acid SequenceBiomarkersCell ProliferationCells, CulturedCell SurvivalChromosomes, HumanCRISPR-Associated Protein 9CryopreservationCytotoxicity, ImmunologicDNAFeeder CellsGene Knockout TechniquesHEK293 CellsHumansKiller Cells, NaturalBiomarkersCRISPR-Associated Protein 9DNARibonucleoproteinsRNA, Guide, CRISPR-Cas Systems

Identifiers

PMID33433623
PMCPMC7808298

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LicenceCC BY-NC-SA
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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.