Cited by 148Neuroinflammation and Neurodegeneration MechanismsCerebrospinal fluid and hydrocephalusInflammasome and immune disorders

Klotho controls the brain-immune system interface in the choroid plexus

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Zhu, Lei, Stein, Liana R., Kim, Daniel, Ho, Kaitlyn, Yu, Gui-Qiu, Zhan, Lihong, Larsson, Tobias E., Mucke, Lennart·2018·Proceedings of the National Academy of Sciences

Abstract

mice increased the expression of multiple proinflammatory factors and triggered macrophage infiltration of this structure in young mice, simulating changes in unmanipulated old mice. Wild-type mice infected with the same Cre recombinase-expressing virus did not show such alterations. Experimental depletion of klotho from the choroid plexus enhanced microglial activation in the hippocampus after peripheral injection of mice with lipopolysaccharide. In primary cultures, klotho suppressed thioredoxin-interacting protein-dependent activation of the NLRP3 inflammasome in macrophages by enhancing fibroblast growth factor 23 signaling. We conclude that klotho functions as a gatekeeper at the interface between the brain and immune system in the choroid plexus. Klotho depletion in aging or disease may weaken this barrier and promote immune-mediated neuropathogenesis.

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  • There was age-dependent expression of genes encoding secreted proteins, including Klotho, which increased with age.

    “There were also age-dependent expression of genes encoding secreted proteins (Figure 3H, S3H, Table S3), including the “anti-aging” gene Klotho (Kuro-o et al., 1997; Zhu et al., 2018), which increased with age (Figure 3H).”

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Authors
Zhu, L., Stein, L. R., Kim, D., Ho, K., Yu, G.-Q., Zhan, L., Larsson, T. E., & Mucke, L.
Affiliations
  • Gladstone Institutes (US)
  • Karolinska Institutet (SE)
Corresponding author
Mucke, Lennart
Venue
Proceedings of the National Academy of Sciences
Published
2018-11-09
Volume
115
Issue
48
Pages
E11388-E11396
ISSN
  • 0027-8424 (ISSN-L)
  • 1091-6490
OpenAlex
W2900439582
Cited by
148
References
78
Citations by year
2026: 10 · 2025: 22 · 2024: 21 · 2023: 23 · 2022: 22 · 2021: 19 · 2020: 23 · 2019: 8
FWCI
5.61
Type
journal article
Language
en
Open access
Locations
  • Proceedings of the National Academy of Sciences (publishedVersion, cc-by-nc-nd)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by-nc-nd)
  • PubMed Central (publishedVersion, cc-by-nc-nd)
  • PubMed (publishedVersion)
  • eScholarship (California Digital Library) (submittedVersion)
  • eScholarship (California Digital Library) (submittedVersion, cc-by-nc-nd)
Funders
  • US National Institutes of Health (NS088532)
  • Ray and Dagmar Dolby Family Fund (N/A)
  • Ruth L. Kirschstein National Research Service Award (NS093766)
Topics
  • Life Sciences › Neuroscience › Neurology › Neuroinflammation and Neurodegeneration Mechanisms
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Cerebrospinal fluid and hydrocephalus
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Inflammasome and immune disorders
Keywords
Klotho, choroid plexus, aging, microglial activation, macrophage infiltration, NLRP3 inflammasome, TXNIP, inflammatory cytokines, lipopolysaccharide, hippocampus, neuroinflammation
MeSH terms
NLR Family, Pyrin Domain-Containing 3 Protein, Klotho Proteins, Aging, Animals, Brain, Choroid Plexus, Female, Glucuronidase, Hippocampus, Humans, Macrophages, Male, Mice, Inbred C57BL, Mice, Knockout, Mice

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