Cited by 171Neuroinflammation and Neurodegeneration MechanismsAlzheimer's disease research and treatmentsDementia and Cognitive Impairment Research

Glycoprotein NMB: a novel Alzheimer’s disease associated marker expressed in a subset of activated microglia

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Hüttenrauch, Melanie, Ogorek, Isabella, Klafki, Hans, Otto, Markus, Stadelmann, Christine, Weggen, Sascha, Wiltfang, Jens, Wirths, Oliver·2018·Acta Neuropathologica Communications

Abstract

Alzheimer's disease (AD) is an irreversible, devastating neurodegenerative brain disorder characterized by the loss of neurons and subsequent cognitive decline. Despite considerable progress in the understanding of the pathophysiology of AD, the precise molecular mechanisms that cause the disease remain elusive. By now, there is ample evidence that activated microglia have a critical role in the initiation and progression of AD. The present study describes the identification of Glycoprotein nonmetastatic melanoma protein B (GPNMB) as a novel AD-related factor in both transgenic mice and sporadic AD patients by expression profiling, immunohistochemistry and ELISA measurements. We show that GPNMB levels increase in an age-dependent manner in transgenic AD models showing profound cerebral neuron loss and demonstrate that GPNMB co-localizes with a distinct population of IBA1-positive microglia cells that cluster around amyloid plaques. Our data further indicate that GPNMB is part of a microglia activation state that is only present under neurodegenerative conditions and that is characterized by the up-regulation of a subset of genes including TREM2, APOE and CST7. In agreement, we provide in vitro evidence that soluble Aβ has a direct effect on GPNMB expression in an immortalized microglia cell line. Importantly, we show for the first time that GPNMB is elevated in brain samples and cerebrospinal fluid (CSF) of sporadic AD patients when compared to non-demented controls.The current findings indicate that GPNMB represents a novel disease-associated marker that appears to play a role in the neuroinflammatory response of AD.

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Authors
Hüttenrauch, M., Ogorek, I., Klafki, H., Otto, M., Stadelmann, C., Weggen, S., Wiltfang, J., & Wirths, O.
Affiliations
  • Universitätsmedizin Göttingen (DE)
  • Heinrich Heine University Düsseldorf (DE)
  • Universität Ulm (DE)
  • German Center for Neurodegenerative Diseases (DE)
Corresponding author
Wirths, Oliver
Venue
Acta Neuropathologica Communications
Published
2018-10-19
Volume
6
Issue
1
Pages
108-108
ISSN
2051-5960 (ISSN-L)
OpenAlex
W2898010909
Cited by
166
References
64
Citations by year
2026: 22 · 2025: 23 · 2024: 27 · 2023: 22 · 2022: 15 · 2021: 34 · 2020: 12 · 2019: 8 · 2018: 1 · 2017: 2
FWCI
6.18
Type
journal article
Language
en
Open access
Locations
  • Acta Neuropathologica Communications (publishedVersion, cc-by)
  • Europe PMC (PubMed Central) (publishedVersion, other-oa)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
  • GoeScholar The Publication Server of the Georg-August-Universität Göttingen (Georg-August-Universität Göttingen) (submittedVersion, cc-by)
  • DZNE Pub (submittedVersion, cc-by)
Funders
Alzheimer Forschung Initiative (16013)
Topics
  • Life Sciences › Neuroscience › Neurology › Neuroinflammation and Neurodegeneration Mechanisms
  • Health Sciences › Medicine › Physiology › Alzheimer's disease research and treatments
  • Health Sciences › Medicine › Psychiatry and Mental health › Dementia and Cognitive Impairment Research
Keywords
GPNMB, Alzheimer's disease, microglial activation, disease biomarkers, amyloid plaques, TREM2, apolipoprotein E, cystatin F, amyloid-beta, neuroinflammation, cerebrospinal fluid, transgenic mouse model, sporadic Alzheimer's disease
MeSH terms
Age Factors, Aged, Aged, 80 and over, Alzheimer Disease, Animals, Brain, Cell Line, Transformed, Disease Models, Animal, Female, Glial Fibrillary Acidic Protein, Humans, Lipopolysaccharides, Male, Membrane Glycoproteins, Mice, Transgenic, Mutation, Peptide Fragments, Phosphopyruvate Hydratase, Up-Regulation, Amyloid beta-Peptides, Amyloid beta-Protein Precursor, Microglia, Mice, Presenilin-1

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