Cited by 214Barrier Structure and Function StudiesNeurobiology and Insect Physiology ResearchIon Transport and Channel Regulation

The Drosophila blood-brain barrier: development and function of a glial endothelium

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Limmer, Stefanie, Weiler, Astrid, Volkenhoff, Anne, Babatz, Felix, Klämbt, Christian·2014·Frontiers in Neuroscience

Abstract

The efficacy of neuronal function requires a well-balanced extracellular ion homeostasis and a steady supply with nutrients and metabolites. Therefore, all organisms equipped with a complex nervous system developed a so-called blood-brain barrier, protecting it from an uncontrolled entry of solutes, metabolites or pathogens. In higher vertebrates, this diffusion barrier is established by polarized endothelial cells that form extensive tight junctions, whereas in lower vertebrates and invertebrates the blood-brain barrier is exclusively formed by glial cells. Here, we review the development and function of the glial blood-brain barrier of Drosophila melanogaster. In the Drosophila nervous system, at least seven morphologically distinct glial cell classes can be distinguished. Two of these glial classes form the blood-brain barrier. Perineurial glial cells participate in nutrient uptake and establish a first diffusion barrier. The subperineurial glial (SPG) cells form septate junctions, which block paracellular diffusion and thus seal the nervous system from the hemolymph. We summarize the molecular basis of septate junction formation and address the different transport systems expressed by the blood-brain barrier forming glial cells.

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Crossref · 10.3389/fnins.2014.00365

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  • Drosophila has an evolutionarily conserved blood-brain barrier (BBB).

    “Although Drosophila has an evolutionarily conserved blood-brain barrier (BBB), treatment with both cpds suppressed mitochondrial aggregates of larval dopaminergic neurons caused by PINK1 inactivation, suggesting that these drugs go through at least the Drosophila BBB (Figures 5C–5E) (Davis et al., 2019, Hindle et al., 2017, Limmer et al., 2014, Mayer et al., 2009, Zhang et al., 2018).”

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  1. Jeuniaux C. (1971). Hemolymph-Arthropoda, in Chemical Zoology, eds Florkin M. Scheer B. T. (New York; London: Academic Press), 64– 118.

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Authors
Limmer, S., Weiler, A., Volkenhoff, A., Babatz, F., & Klämbt, C.
Affiliations
University of Münster (DE)
Venue
Frontiers in Neuroscience
Published
2014-11-14
Volume
8
Pages
365-365
ISSN
1662-453X (ISSN-L)
OpenAlex
W2002425839
Cited by
214
References
179
Citations by year
2026: 11 · 2025: 17 · 2024: 20 · 2023: 25 · 2022: 22 · 2021: 26 · 2020: 23 · 2019: 16 · 2018: 25 · 2017: 14 · 2016: 7 · 2015: 8
FWCI
0.79
Type
journal article
Language
en
Open access
Licence
cc-by
Locations
  • Frontiers in Neuroscience (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Funders
Deutsche Forschungsgemeinschaft (SFB 1009)
Topics
  • Life Sciences › Neuroscience › Neurology › Barrier Structure and Function Studies
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neurobiology and Insect Physiology Research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Ion Transport and Channel Regulation
Keywords
blood-brain barrier, Drosophila melanogaster, septate junctions, tight junctions, nutrient uptake, ion homeostasis, hemolymph, glial development, solute transport

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