Cited by 79Alzheimer's disease research and treatmentsAdvanced MRI Techniques and ApplicationsMetabolomics and Mass Spectrometry Studies

Metabolic changes in rat brain following intracerebroventricular injections of streptozotocin: A model of sporadic Alzheimer’s disease

Labak, M., Foniok, T., Kirk, D., Rushforth, D., Tomanek, B., Jasiński, A., Grieb, P.·2010·Acta neurochirurgica. Supplementum

Abstract

A decrease in cerebral glucose metabolic uptake is an early and characteristic sign of Alzheimer's disease (AD). Streptozotocin (STZ) is a bacterial toxin which damages insulin-producing cells and insulin receptors. Intracerebroventricular (icv) application of STZ in rats has been found to chronically decrease cerebral glucose uptake and produce other effects that bear a resemblance to several other molecular and pathological features of AD. In the present experiments in vivo (1)H MR Spectroscopy with short echo time (3 ms) was used to non-invasively obtain a neurochemical profile of rat brains, 3 weeks and 2 months after double icv injections of STZ or vehicle. Seventeen metabolites were quantified from 27 microL tissue volume which included hippocampus and a part of cerebral cortex, using the LCModel and unsuppressed water signal as an internal reference. Three weeks after icv STZ several metabolites were significantly decreased, the most prominent changes noted in glycerophosphocholine and phosphocholine (-38 +/- 5%), glutathione (-37 +/- 4%), taurine (-30 +/- 19%), glutamate (-26 +/- 14%), phosphocreatine (-23 +/- 15%) and N-acetylaspartate (-16 +/- 6%). On the contrary, the concentration of N-acetylaspartylglutamate was found significantly increased (+38 +/- 18%). After 2 months some of these changes were even more pronounced. We conclude that in vivo (1)H MRS of rat brain following icv STZ injections provides a new input into a better understanding of the critical dependency of neural function and structure on brain glucose consumption, and may be of relevance in further studies of AD pathomechanism.

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Crossref · 10.1007/978-3-211-98811-4_32

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  • AD-like changes have been observed in experimental models of insulin resistance, including animals fed a high fat diet or receiving intracerebral or IP injections of streptozotocin.

    “Supporting this idea, AD-like changes have been observed in experimental models of insulin resistance, including animals fed a high fat diet or receiving intracerebral or IP injections of streptozotocin (Cao et al., 2007; Labak et al., 2010; Lester-Coll et al., 2006; Ma et al., 2009; Pratchayasakul et al., 2011; Tong et al., 2009; Zhang et al., 2009).”

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Authors
Labak, M., Foniok, T., Kirk, D., Rushforth, D., Tomanek, B., Jasiński, A., & Grieb, P.
Affiliations
  • Institute of Nuclear Physics, Polish Academy of Sciences (PL)
  • National Research Council Canada (CA)
  • Mossakowski Medical Research Institute, Polish Academy of Sciences (PL)
Corresponding author
Grieb, P.
Venue
Acta neurochirurgica. Supplementum
Published
2009-08-31
Volume
106
Pages
177-181
ISSN
0065-1419 (ISSN-L)
OpenAlex
W120784412
Cited by
79
References
19
Citations by year
2025: 4 · 2024: 2 · 2023: 3 · 2022: 4 · 2021: 4 · 2020: 10 · 2019: 4 · 2018: 6 · 2017: 5 · 2016: 2 · 2015: 7 · 2014: 9 · 2013: 6 · 2012: 4
FWCI
13.10
Type
book chapter
Language
en
Open access
closed
Locations
  • Acta neurochirurgica. Supplementum (publishedVersion)
  • PubMed (publishedVersion)
  • NPARC (submittedVersion)
Topics
  • Health Sciences › Medicine › Physiology › Alzheimer's disease research and treatments
  • Health Sciences › Medicine › Radiology, Nuclear Medicine and Imaging › Advanced MRI Techniques and Applications
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Metabolomics and Mass Spectrometry Studies
Keywords
Alzheimer's disease, streptozotocin, intracerebroventricular administration, brain metabolites, brain glucose metabolism, N-acetylaspartate, N-acetylaspartylglutamate, glutathione, phosphocreatine, glycerophosphocholine, taurine, glutamate, hippocampus, cerebral cortex, animal models of Alzheimer's disease
MeSH terms
Alzheimer Disease, Amino Acids, Animals, Aspartic Acid, Brain, Brain Chemistry, Disease Models, Animal, Electrons, Glucose, Glutathione, Injections, Intraventricular, Magnetic Resonance Imaging, Male, Magnetic Resonance Spectroscopy, Streptozocin, Rats, Wistar, Rats

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