Evidence map›Paper›PMID 40877520›Full record

ArticleMethods in molecular biology (Clifton, N.J.)2025

A Facile Method for Assessing Intra Cellular Stability and Co-localization of Cas9 mRNA and sgRNA Using Confocal Microscopy.

Siyu Chen, Simone Pinto Carneiro, Olivia M Merkel

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Article in Methods in molecular biology (Clifton, N.J.), 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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0citing papers in PubMed
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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

0 citing papers in PubMed.

No citing paper in PubMed yet.

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

3 authors.

Siyu ChenLudwig-Maximilians-University, Department of Pharmacy, Pharmaceutical Technology and Biopharmaceutics, Munich, Germany.
Simone Pinto CarneiroLudwig-Maximilians-University, Department of Pharmacy, Pharmaceutical Technology and Biopharmaceutics, Munich, Germany.
Olivia M MerkelLudwig-Maximilians-University, Department of Pharmacy, Pharmaceutical Technology and Biopharmaceutics, Munich, Germany. olivia.merkel@lmu.de.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Messenger RNA (mRNA)-based CRISPR-Cas9 delivery is considered an advanced gene-editing strategy due to its rapid onset, transient expression, and reduced off-target effects, building on the success of mRNA therapeutics. However, challenges remain, particularly in efficiently co-delivering both Cas9 mRNA and single guide RNA (sgRNA). Here, we describe a straightforward fluorescence-labeling method for tracking the co-localization and stability of Cas9 mRNA and sgRNA in cells using confocal microscopy. This approach provides critical insights into optimizing the ratios and amounts of Cas9 mRNA and sgRNA during co-delivery. Furthermore, it enables a more intuitive investigation of metabolism and the kinetics of these components in cells after transfection, aiding the development of more effective delivery strategies.

Indexed as

CRISPR-Associated Protein 9Gene EditingRNA, Guide, CRISPR-Cas SystemsRNAi TherapeuticsRNA, MessengerRNA StabilitySingle Molecule ImagingA549 CellsFluorescenceHumansMicroscopy, ConfocalCRISPR-Associated Protein 9RNA, Guide, CRISPR-Cas SystemsRNA, MessengerConfocal microscopyCRISPR-Cas9Fluorescence labelingGene editingmRNA deliverymRNA localizationSingle guide RNA

Identifiers

PMID40877520

What OpenQuestion holds

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Registered trials

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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.