Evidence map›Paper›PMID 33359979›Full record

ArticleJournal of neuroscience methods2021

Enhancing transient protein expression in HEK-293 cells by briefly exposing the culture to DMSO.

Janet Lynch, JiWoo Chung, Zhen Huang, Vincen Pierce, Noah S Saunders, Li Niu

Open access · greenAbstract read
In one paragraph

Article in Journal of neuroscience methods, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.

0numbers the graph read from it
0cells of the map it votes in
8citing papers in PubMed
0.5field-weighted citation impact, top 36% of its field
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

8 citing papers in PubMed, 10 citations in OpenAlex.

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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

6 authors at 1 institution in 1 country.

Janet LynchDepartment of Chemistry and Center for Neuroscience Research, University at Albany, State University of New York, Albany, NY, 12222, United States.
JiWoo ChungDepartment of Chemistry and Center for Neuroscience Research, University at Albany, State University of New York, Albany, NY, 12222, United States.
Zhen HuangDepartment of Chemistry and Center for Neuroscience Research, University at Albany, State University of New York, Albany, NY, 12222, United States.
Vincen PierceDepartment of Chemistry and Center for Neuroscience Research, University at Albany, State University of New York, Albany, NY, 12222, United States.
Noah S SaundersDepartment of Chemistry and Center for Neuroscience Research, University at Albany, State University of New York, Albany, NY, 12222, United States.
Li NiuDepartment of Chemistry and Center for Neuroscience Research, University at Albany, State University of New York, Albany, NY, 12222, United States. Electronic address: lniu@albany.edu.
Albany State University · US

Funding

Testing RNA Aptamers in ALS Mouse ModelsR21NS106392 · NINDS · STATE UNIVERSITY OF NEW YORK AT ALBANY · PI NIU, LI · 2018 to 2019
$406k
NINDS NIH HHS R21 NS106392
6 · The paper itself

Abstract

backgroundTransient expression of proteins in mammalian cells is a key technique for many functional and structural studies of human and higher eukaryotic genes as well as for the production of recombinant protein therapeutics. Maximizing the expression efficiency to achieve a higher expression yield is desirable and may be even critical when, for instance, an expressed protein must be characterized at the single-cell level. NEW

methodsOur goal was to develop a simple method by which protein expression yield in human embryonic kidney (HEK)-293 cells could be enhanced with a brief treatment of dimethyl sulfoxide (DMSO) solution.

resultsBy expressing green fluorescent protein (GFP) as a reporter protein using the calcium phosphate transfection method and imaging a large population of cells, we found that a 5-min exposure of 10 % DMSO to HEK-293 cells, 4 h after transfection of the protein of interest, leads to ∼1.6-fold increase in the expression yield without causing any appreciable cytotoxicity. By expressing an α-amino-3-hydroxy-5-methyl-4-isoxazolepropionic acid (AMPA) and separately a kainate receptor in HEK-293 cells and measuring glutamate-induced whole-cell current response, we also found that such a brief DMSO treatment did not affect channel activity.

conclusionThis method is simple, efficient and inexpensive to use for enhancing transient transfection yield in HEK-293 cells.

Indexed as

Dimethyl SulfoxideKidneyAnimalsHEK293 CellsHumansRecombinant ProteinsTransfectionDimethyl SulfoxideRecombinant ProteinsDMSOGFPHEK-293Protein expression

Identifiers

PMID33359979
PMCPMC9308467
OpenAlexW3116119257

What OpenQuestion holds

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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.