Cited by 34Neuroscience and Neuropharmacology ResearchCancer, Hypoxia, and MetabolismNeurogenesis and neuroplasticity mechanisms

Neuronal culture microenvironments determine preferences in bioenergetic pathway use

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Sünwoldt, Juliane, Bosche, Bert, Meisel, Andreas, Mergenthaler, Philipp·2017·Frontiers in Molecular Neuroscience

Abstract

In the brain, metabolic supply and demand is directly coupled to neuronal activation. Methods for culturing primary rodent brain cells have come of age and are geared toward sophisticated modeling of human brain physiology and pathology. However, the impact of the culture microenvironment on neuronal function is rarely considered. Therefore, we investigated the role of different neuronal culture supplements for neuronal survival and metabolic activity in a model of metabolic deprivation of neurons using oxygen deprivation, glucose deprivation, as well as live cell metabolic flux analysis. We demonstrate the impact of neuronal culture conditions on metabolic function and neuronal survival under conditions of metabolic stress. In particular, we find that the common neuronal cell culture supplement B27 protects neurons from cell death under hypoxic conditions and inhibits glycolysis. Furthermore, we present data that B27 as well as the alternative neuronal culture supplement N2 restrict neuronal glucose metabolism. On the contrary, we find that the more modern supplement GS21 promotes neuronal energy metabolism. Our data support the notion that careful control of the metabolic environment is an essential component in modeling brain function and the cellular and molecular pathophysiology of brain disease in culture.

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Crossref · 10.3389/fnmol.2017.00305

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  • In vitro glycolytic behavior can change with choice of culture media and astrocyte coculture.

    “In vitro glycolytic behavior can change with choice of culture media (Sünwoldt et al., 2017) and astrocyte coculture (Mamczur et al., 2015), but gene expression data from acutely dissociated brain cells indicate that neurons are well equipped for glycolysis, with higher levels of mRNA expression than astrocytes for most glycolytic enzymes (Fig. 1, left).”

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Authors
Sünwoldt, J., Bosche, B., Meisel, A., & Mergenthaler, P.
Affiliations
  • Charité – Universitätsmedizin Berlin (DE)
  • St. Michael's Hospital (CA)
  • NeuroCure Cluster of Excellence (DE)
  • Berlin Institute of Health at Charité - Universitätsmedizin Berlin (DE)
Corresponding author
Mergenthaler, Philipp
Venue
Frontiers in Molecular Neuroscience
Published
2017-09-29
Volume
10
Pages
305-305
ISSN
1662-5099 (ISSN-L)
OpenAlex
W2757938599
Cited by
34
References
58
Citations by year
2026: 1 · 2025: 8 · 2024: 4 · 2023: 2 · 2022: 3 · 2021: 4 · 2020: 6 · 2019: 1 · 2018: 5
FWCI
1.61
Type
journal article
Language
en
Open access
Licence
cc-by
Locations
  • Frontiers in Molecular Neuroscience (publishedVersion, cc-by)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
  • Refubium (Universitätsbibliothek der Freien Universität Berlin) (submittedVersion, cc-by)
  • Universitätsbibliothek der FU Berlin Hochschulschriftenstelle u. Dokumentenserver (cc-by)
Funders
  • FP7 People: Marie-Curie Actions (627951)
  • Deutscher Akademischer Austauschdienst (57212163)
  • Deutsche Forschungsgemeinschaft (Exc257, TR43, BO4229/1-1, BO4229/2-1)
Topics
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cancer Research › Cancer, Hypoxia, and Metabolism
  • Life Sciences › Neuroscience › Developmental Neuroscience › Neurogenesis and neuroplasticity mechanisms
Keywords
N2, neuronal survival, metabolic stress, hypoxia, glucose deprivation, glycolysis, neuronal energy metabolism

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