Cited by 27Alzheimer's disease research and treatmentsCholinesterase and Neurodegenerative DiseasesNeuroscience and Neuropharmacology Research

Design, synthesis, and in vitro and in vivo characterization of new memantine analogs for Alzheimer’s disease

Open access
Turcu, Andreea L., Companys-Alemany, Júlia, Phillips, Matthew B., Patel, Dhilon S., Griñán-Ferré, Christian, Loza, M. Isabel, Brea, José M., Pérez, Belén +6 more·2022·European Journal of Medicinal Chemistry

Abstract

Currently, of the few accessible symptomatic therapies for Alzheimer's disease (AD), memantine is the only N-methyl-d-aspartate receptor (NMDAR) blocker approved by the FDA. This work further explores a series of memantine analogs featuring a benzohomoadamantane scaffold. Most of the newly synthesized compounds block NMDARs in the micromolar range, but with lower potency than previously reported hit IIc, results that were supported by molecular dynamics simulations. Subsequently, electrophysiological studies with the more potent compounds allowed classification of IIc, a low micromolar, uncompetitive, voltage-dependent, NMDAR blocker, as a memantine-like compound. The excellent in vitro DMPK properties of IIc made it a promising candidate for in vivo studies in Caenorhabditis elegans (C. elegans) and in the 5XFAD mouse model of AD. Administration of IIc or memantine improved locomotion and rescues chemotaxis behavior in C. elegans. Furthermore, both compounds enhanced working memory in 5XFAD mice and modified NMDAR and CREB signaling, which may prevent synaptic dysfunction and modulate neurodegenerative progression.

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Crossref · 10.1016/j.ejmech.2022.114354

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  • Memantine is safe and well-tolerated and is used to treat moderate-to-severe AD alone or in combination with AChEI.

    “Memantine is safe and well-tolerated; it is used to treat moderate-to-severe AD alone or in combination with AChEI [124,125,126].”

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Research works printed but not linked: 4

  1. [12]Phenserine Klein. J.. Expert. Opin. Investig. Drugs 2007, 16, 1087– 1097. 17594192
  2. [65]Parsons CG; Stöffler A; Danysz W Memantine: a NMDA receptor antagonist that improves memory by restoration of homeostasis in the glutamatergic system--too little activation is bad, too much is even worse. Neuropharmacology 2007, 53, 699– 723. 17904591
  3. [81]Gilling KE; Jatzke C; Hechenberger M; Parsons CG Potency, voltage-dependency, agonist concentration-dependency, blocking kinetics and partial untrapping of the uncompetitive N-methyl-D-aspartate (NMDA) channel blocker memantine at human NMDA (GluN1/GluN2A) receptors. Neuropharmacology 2009, 56, 866– 875. 19371579
  4. [119]Woodhull AM Ionic blockage of sodium channels in nerve. J. Gen. Physiol 1973, 61, 687– 708. 4541078 PMC2203489

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Authors
Turcu, A. L., Companys-Alemany, J., Phillips, M. B., Patel, D. S., Griñán-Ferré, C., Loza, M. I., Brea, J. M., Pérez, B., Soto, D., Sureda, F. X., Kurnikova, M. G., Johnson, J. W., Pallàs, M., & Vázquez, S.
Affiliations
  • Institut de Biomedicina de la Universitat de Barcelona (ES)
  • University of Pittsburgh (US)
  • Carnegie Mellon University (US)
  • Universitat Autònoma de Barcelona (ES)
  • Consorci Institut D'Investigacions Biomediques August Pi I Sunyer (ES)
  • Universitat Rovira i Virgili (ES)
  • Universitat de Barcelona (ES)
  • Consejo Superior de Investigaciones Científicas (ES)
Corresponding author
Vázquez, Santiago
Venue
European Journal of Medicinal Chemistry
Publisher
Elsevier BV
Published
2022-06
Volume
236
Pages
114354
ISSN
0223-5234 (ISSN-L)
OpenAlex
W4224284673
Cited by
27
References
110
Citations by year
2026: 5 · 2025: 3 · 2024: 9 · 2023: 5 · 2022: 5
FWCI
3.40
Type
journal article
Language
en
Open access
Locations
  • European Journal of Medicinal Chemistry (publishedVersion, cc-by-nc-nd)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
  • Rovira & Virgili repository (submittedVersion, cc-by)
  • Dipòsit Digital de la Universitat de Barcelona (Universitat de Barcelona) (submittedVersion, cc-by-nc-nd)
  • Hispana (submittedVersion, cc-by-nc-nd)
Funders
  • National Science Foundation (1548562)
  • Universitat de Barcelona (MDM-2017-0729)
  • Ministerio de Asuntos Económicos y Transformación Digital, Gobierno de España (PID2019-106285RB-I00, PID2019-106285RB, SAF2017-82771-R, MDM‐2017‐0729, SAF2017-82771, 2017SGR106)
  • Xunta de Galicia (ED431C, ED431G 2019/02, ED431C 2018, ED431G, PID2019-106285RB, 2017SGR106)
  • National Institutes of Health (ACI-1548562)
  • Agència de Gestió d'Ajuts Universitaris i de Recerca (PID2019-106285RB, 2017-SGR-106, SAF2017-82771-R)
  • European Regional Development Fund (ED431G 2019/02, 2017SGR106, PID2019, SAF2017-82771-R, SAF2017, ED431C, MDM-2017-0729, PID2019-106285RB)
  • Agencia Estatal de Investigación (2017SGR106, 13039, 10.13039, SAF2017-82771-R, PID2019-106285RB, PID2019)
  • National Institute on Aging (R01AG065594)
  • National Institute of Neurological Disorders and Stroke (F31NS113477)
Topics
  • Health Sciences › Medicine › Physiology › Alzheimer's disease research and treatments
  • Health Sciences › Medicine › Pharmacology › Cholinesterase and Neurodegenerative Diseases
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
Keywords
Alzheimer's disease, NMDA receptor antagonists, Caenorhabditis elegans, 5xFAD mice, locomotion, chemotaxis, working memory, CREB signaling, synaptic dysfunction, neurodegeneration
MeSH terms
Alzheimer Disease, Animals, Disease Models, Animal, Memantine, Receptors, N-Methyl-D-Aspartate, Caenorhabditis elegans, Mice

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