Cited by 73HIV Research and TreatmentHIV/AIDS drug development and treatmentNeuroscience and Neuropharmacology Research

Memantine upregulates BDNF and prevents dopamine deficits in SIV-infected macaques: a novel pharmacological action of memantine

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for the German Competence Network HIV/AIDS, Meisner, Falko, Scheller, Carsten, Kneitz, Susanne, Sopper, Sieghart, Neuen-Jacob, Eva, Riederer, Peter, Meulen, Volker ter +1 more·2008·Neuropsychopharmacology

Abstract

N-methyl-D-aspartate (NMDA) receptor activation is involved in the pathogenetic cascades of neurodegenerative disorders including human immunodeficiency virus (HIV) dementia. Memantine, an uncompetitive NMDA receptor antagonist, which has been recently approved for the treatment of Alzheimer's disease, is being discussed as a potential adjunctive therapeutic substance for HIV dementia. We used simian immunodeficiency virus-infected rhesus macaques to assess the effects of memantine on brain dysfunction and brain pathology within 3-5 months after initial infection during early asymptomatic stage of disease. We had shown previously that within this time frame, marked changes were evident in the dopaminergic systems. Memantine was administered two weeks post infection, at peak viremia, in order to prevent early NMDA receptor activation due to immune mediators. We found that memantine prevented onset of dopamine deficits in the brains of SIV-infected macaques, without affecting early brain pathology or peripheral course of infection. Memantine specifically upregulated mRNA and protein expression of the neurotrophic factor brain-derived neurotrophic factor (BDNF), suggesting that the protective effect of memantine on dopamine function may be mechanistically remote from NMDA receptor antagonism. This novel pharmacological action of memantine may also be relevant for other neurodegenerative disorders and supports the involvement of neurotrophic factors in adult brain neuroprotection.

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Authors
for the German Competence Network HIV/AIDS, Meisner, F., Scheller, C., Kneitz, S., Sopper, S., Neuen-Jacob, E., Riederer, P., Meulen, V. T., & Koutsilieri, E.
Affiliations
  • University of Würzburg (DE)
  • German Primate Center (DE)
Corresponding author
Koutsilieri, Eleni
Venue
Neuropsychopharmacology
Published
2007-10-31
Volume
33
Issue
9
Pages
2228-2236
ISSN
  • 0893-133X (ISSN-L)
  • 1740-634X
OpenAlex
W1979190471
Cited by
73
References
49
Citations by year
2026: 4 · 2025: 2 · 2023: 3 · 2022: 2 · 2020: 7 · 2019: 4 · 2018: 1 · 2017: 2 · 2016: 4 · 2014: 6 · 2013: 7 · 2012: 6
FWCI
2.14
Type
journal article
Language
en
Open access
Locations
  • Neuropsychopharmacology (publishedVersion)
  • PubMed (publishedVersion)
  • GoeScholar The Publication Server of the Georg-August-Universität Göttingen (Georg-August-Universität Göttingen) (submittedVersion, cc-by)
Funders
Merz Pharmaceuticals
Topics
  • Life Sciences › Immunology and Microbiology › Virology › HIV Research and Treatment
  • Health Sciences › Medicine › Infectious Diseases › HIV/AIDS drug development and treatment
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
Keywords
memantine, brain-derived neurotrophic factor, simian immunodeficiency virus, HIV-associated dementia, NMDA receptor antagonism, neuroprotection, neurotrophic factors, rhesus monkeys, neurodegeneration, immune mediators
MeSH terms
Animals, Brain, Disease Models, Animal, Dopamine, Homovanillic Acid, Humans, Macaca mulatta, Memantine, RNA, Messenger, 3,4-Dihydroxyphenylacetic Acid, Up-Regulation, Simian Acquired Immunodeficiency Syndrome, Excitatory Amino Acid Antagonists, Brain-Derived Neurotrophic Factor, Viral Load, Oligonucleotide Array Sequence Analysis

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