Cited by 69Neuroscience and Neuropharmacology ResearchAmino Acid Enzymes and MetabolismAlzheimer's disease research and treatments

Molecular changes evoked by the beta-lactam antibiotic ceftriaxone across rodent models of substance use disorder and neurological disease

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Smaga, Irena, Fierro, Daniel, Mesa, Javier, Filip, Malgorzata, Knackstedt, Lori A·2020·Neuroscience & Biobehavioral Reviews

Abstract

Ceftriaxone is a beta-lactam antibiotic that increases the expression of the major glutamate transporter, GLT-1. As such, ceftriaxone ameliorates symptoms across multiple rodent models of neurological diseases and substance use disorders. However, the mechanism behind GLT-1 upregulation is unknown. The present review synthesizes this literature in order to identify commonalities in molecular changes. We find that ceftriaxone (200 mg/kg for at least two days) consistently restores GLT-1 expression in multiple rodent models of neurological disease, especially when GLT-1 is decreased in the disease model. The same dose given to healthy/drug-naive rodents does not reliably upregulate GLT-1 in any brain region except the hippocampus. Increased GLT-1 expression does not consistently arise from transcriptional regulation, and is likely to be due to trafficking changes. In addition to altered transporter expression, ceftriaxone ameliorates neuropathologies (e.g. tau, amyloid beta, cell death) and aberrant protein expression associated with a number of neurological disease models. Taken together, these results indicate that ceftriaxone remains a strong candidate for treatment of multiple disorders in the clinic.

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Authors
Smaga, I., Fierro, D., Mesa, J., Filip, M., & Knackstedt, L. A.
Affiliations
  • Maj Institute of Pharmacology (PL)
  • University of Florida (US)
Corresponding author
Knackstedt, Lori A
Venue
Neuroscience & Biobehavioral Reviews
Publisher
Elsevier BV
Published
2020-08
Volume
115
Pages
116-130
ISSN
0149-7634 (ISSN-L)
OpenAlex
W3032088217
Cited by
69
References
109
Citations by year
2026: 8 · 2025: 13 · 2024: 10 · 2023: 10 · 2022: 12 · 2021: 15 · 2020: 1
FWCI
1.31
Type
journal article
Language
en
Open access
Locations
  • Neuroscience & Biobehavioral Reviews (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • National Institutes of Health
  • National Institute on Drug Abuse (DA033436)
Topics
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Biochemistry › Amino Acid Enzymes and Metabolism
  • Health Sciences › Medicine › Physiology › Alzheimer's disease research and treatments
Keywords
ceftriaxone, beta-lactam antibiotics, GLT-1, glutamate transporters, substance use disorders, neurological disease models, glutamate homeostasis, transporter trafficking, tau pathology, amyloid-beta, neuronal cell death, hippocampus, drug repurposing
MeSH terms
Animals, Anti-Bacterial Agents, Ceftriaxone, Rodentia, Amyloid beta-Peptides, Glutamic Acid, Substance-Related Disorders, Excitatory Amino Acid Transporter 2

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