Cited by 8Neuroinflammation and Neurodegeneration MechanismsNeuroscience and Neuropharmacology ResearchPain Mechanisms and Treatments

The DOI matches its Crossref record; 17 of the 18 references it cites were found in a registry or an index.

Modulation of microglial activity by salt load and SGK1

Inoue, Koichi, Morimoto, Hiroyuki, Ueki, Takatoshi·2020·NeuroReport

Abstract

Microglial cells are derived from myelogenous cells and their chronic activation elicits brain inflammation, which influences neurological activity. Comprehensive understanding of the regulation of microglial activation could therefore contribute to overcoming neuropsychiatric disorders. Recently, the importance of serum- and glucocorticoid-inducible kinases (SGKs) has been explored in immune cells such as T cells, dendritic cells and macrophages. We have already shown that SGK1 and SGK3 are expressed in microglial cells and associated with the regulation of lipopolysaccharide (LPS)-induced inflammatory molecules. Here we investigate whether salt load influences expression of SGK1 and inflammatory responses in murine primary microglia and an immortalized microglial cell line, BV-2. Additional amounts of NaCl were administrated and immunoblotting was carried out, and SGK1 was induced in dose- and time-dependent manners. Next, the dynamics of inflammatory mediators iNOS and TNFα were investigated by administration of LPS. iNOS mRNA was induced by LPS application and enhanced by NaCl preload. In support of these results, nitric oxide was produced by LPS and accelerated by NaCl preload. In contrast, however, NaCl preload reduced the release of TNFα, suggesting the modulation of immune responses by salt load. The effects of salt load on both cases were attenuated in SGK1-deleted cells. Taken together, these results indicate that salt load modulates inflammatory responses and that…

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Crossref · 10.1097/wnr.0000000000001449

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Metadata

Authors
Inoue, K., Morimoto, H., & Ueki, T.
Affiliations
  • Department of Integrative Anatomy, Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan
  • Nagoya City University (JP)
Venue
NeuroReport
Published
2020-05-07
Volume
31
Issue
7
Pages
571-577
ISSN
0959-4965 (ISSN-L)
OpenAlex
W3016172449
Cited by
8
References
18
Citations by year
2025: 2 · 2024: 2 · 2023: 2 · 2022: 1 · 2021: 1
FWCI
0.39
Type
journal article
Language
en
Open access
closed
Locations
  • Neuroreport (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Neuroscience › Neurology › Neuroinflammation and Neurodegeneration Mechanisms
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
  • Health Sciences › Medicine › Physiology (medical) › Pain Mechanisms and Treatments
Keywords
microglial activation, salt loading, sodium chloride, SGK1, serum- and glucocorticoid-inducible kinase, SGK3, lipopolysaccharide, neuroinflammation, inducible nitric oxide synthase, nitric oxide, TNF-α, BV-2 cells
MeSH terms
Serum-Glucocorticoid Regulated Kinases, Animals, Cell Line, Inflammation, Mice, Inbred ICR, Sodium Chloride, Signal Transduction, Up-Regulation, Protein Serine-Threonine Kinases, Microglia, Immediate-Early Proteins

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