Memantine upregulates BDNF and prevents dopamine deficits in SIV-infected macaques: a novel pharmacological action of memantine
Open accessAbstract
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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Memantine prevented the onset of dopamine deficits in SIV-infected macaques, an effect mediated by increased BDNF.
“inhibition of the NMDA receptor with memantine prevented the onset of DA deficits in the brains of SIV-infected macaques, and effect mediated by increased BDNF”
From Inflammatory cytokines in depression: neurobiological mechanisms and therapeutic implications (2013) · cites this paper as Meisner et al., 2008
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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
- bronze
- doi.org
- Licence
- www.springer.com/tdm (tdm)
- 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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