Cited by 62Animal testing and alternativesNeuroscience and Neuropharmacology ResearchImmunotoxicology and immune responses

Effects of dimethyl sulfoxide on the morphology and viability of primary cultured neurons and astrocytes

Zhang, Chen, Deng, Yuanying, Dai, Hongmei, Zhou, Wenjuan, Tian, Jing, Bing, Guoying, Zhao, Lingling·2017·Brain Research Bulletin

Abstract

Background Dimethyl sulfoxide (DMSO) is a widely used solvent and vehicle for in vivo and in vitro administration of test compounds. Effects of DMSO independent of the test compound, such as in studies examining morphological plasticity or neurotoxic responses, may lead to spurious results.Aim To investigate effects of DMSO concentration ([DMSO]) on morphology and survival of primary cultured neurons and astrocytes.Methods Primary cultured neurons and astrocytes were treated with 0.25%-10.00% [DMSO] for 12-48h. Viable cell number and morphology were compared to untreated cultures using the CCK-8 assay and phase-contrast microscopy. Expression levels of the neuronal marker NeuN and astrocyte marker glial fibrillary acidic protein (GFAP) were determined by immunofluorescence and western blotting.Results A [DMSO]≤0.50% had no effect on neuronal number or NeuN expression up to 24h, while ≥1.00% induced a progressive and dramatic loss of both viability and NeuN expression even after 12h. Brief (12h) exposure to ≤1.00% DMSO had no effect on astrocytes survival or GFAP expression, while ≥5.00% significantly reduced both at all exposure durations. In contrast to neurons, exposure to 0.50% and 1.00% DMSO for 24 or 48h enhanced astrocytes proliferation and GFAP expression. Astrocytic processes were maintained at 0.50% and 1.00% DMSO, while neurons exhibited marked neurite retraction at ≥0.50%.Conclusion A [DMSO]≥0.5% markedly disrupts neuronal morphology and reduces viability, even after brief exposure. In astrocytes, 0.50% and 1.00% DMSO appear to induce reactive gliosis. For treatment of neural cells, [DMSO] should be ≤0.25% to obviate spurious vehicle effects.

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Crossref · 10.1016/j.brainresbull.2016.11.004

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Authors
Zhang, C., Deng, Y., Dai, H., Zhou, W., Tian, J., Bing, G., & Zhao, L.
Affiliations
  • Central South University (CN)
  • University of Kentucky (US)
Corresponding author
Zhao, Lingling
Venue
Brain Research Bulletin
Publisher
Elsevier BV
Published
2017-01
Volume
128
Pages
34-39
ISSN
0361-9230 (ISSN-L)
OpenAlex
W2556629357
Cited by
62
References
29
Citations by year
2026: 7 · 2025: 15 · 2024: 8 · 2023: 4 · 2022: 3 · 2021: 5 · 2020: 11 · 2019: 5 · 2018: 4
FWCI
4.61
Type
journal article
Language
en
Open access
closed
Locations
  • Brain Research Bulletin (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • Third Xiangya Hospital of Central South University
  • Hunan Province
Topics
  • Health Sciences › Veterinary › Small Animals › Animal testing and alternatives
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
  • Life Sciences › Immunology and Microbiology › Immunology › Immunotoxicology and immune responses
Keywords
dimethyl sulfoxide, vehicle effects, primary neuronal cultures, astrocytes, neuronal viability, cell morphology, neurite retraction, reactive gliosis, glial fibrillary acidic protein, NeuN, astrocyte proliferation, DMSO concentration
MeSH terms
Animals, Astrocytes, Cell Survival, Cells, Cultured, Cerebral Cortex, Dimethyl Sulfoxide, Dose-Response Relationship, Drug, Glial Fibrillary Acidic Protein, Nerve Tissue Proteins, Neurons, Time Factors, Rats, Sprague-Dawley, Antigens, Nuclear

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