Cited by 59Neonatal and fetal brain pathologyAnesthesia and Neurotoxicity ResearchTraumatic Brain Injury and Neurovascular Disturbances

Tideglusib, a chemical inhibitor of GSK3β, attenuates hypoxic-ischemic brain injury in neonatal mice

Wang, Haitao, Huang, Sammen, Yan, Kuipo, Fang, Xiaoyan, Abussaud, Ahmed, Martinez, Ana, Sun, Hong-Shuo, Feng, Zhong-Ping·2016·Biochimica et Biophysica Acta (BBA) - General Subjects

Abstract

Background Hypoxia-ischemia is an important cause of brain injury and neurological morbidity in the newborn infants. The activity of glycogen synthase kinase-3β (GSK-3β) is up-regulated following neonatal stroke. Tideglusib is a GSK-3β inhibitor which has neuroprotective effects against neurodegenerative diseases in clinical trials. However, the effect of tideglusib on hypoxic-ischemic (HI) brain injury in neonates is still unknown.Methods Postnatal day 7 (P7) mouse pups subjected to unilateral common carotid artery ligation followed by 1h of hypoxia or sham surgery was performed. HI animals were administered tideglusib (5mg/kg) or vehicle intraperitoneally 20min prior to the onset of ischemia. The brain infarct volume and whole brain images, were used in conjunction with Nissl staining to evaluate the protective effects of tideglusib. Protein levels of glial fibrillary acidic protein (GFAP), Notch1, cleaved caspase-3/9, phosphorylated signal transducer and activator of transcription 3 (STAT3), GSK-3β and protein kinase B (Akt) were detected to identify potentially involved molecules.Results Tideglusib significantly reduced cerebral infarct volume at both 24h and 7days after HI injury. Tideglusib also increased phosphorylated GSK-3β(Ser9) and Akt(Ser473), and reduced the expression of GFAP and p-STAT3(Tyr705). In addition, pretreatment with tideglusib also enhanced the protein level of Notch1. Moreover, tideglusib reduced the cleavage of pro-apoptotic signal caspase proteins, including caspase 3 and caspase 9 following HI.Conclusion These results indicate that tideglusib shows neuroprotection against hypoxic-ischemic brain injury in neonatal mice.General significance Tideglusib is a potential compound for the prevention or treatment of hypoxic-ischemic brain injury in neonates.

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Crossref · 10.1016/j.bbagen.2016.06.027

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Authors
Wang, H., Huang, S., Yan, K., Fang, X., Abussaud, A., Martinez, A., Sun, H.-S., & Feng, Z.-P.
Affiliations
University of Toronto (CA)
Corresponding author
  • Sun, Hong-Shuo
  • Feng, Zhong-Ping
Venue
Biochimica et Biophysica Acta (BBA) - General Subjects
Publisher
Elsevier BV
Published
2016-10
Volume
1860
Issue
10
Pages
2076-2085
ISSN
0304-4165 (ISSN-L)
OpenAlex
W2467069006
Cited by
59
References
53
Citations by year
2026: 3 · 2025: 8 · 2024: 4 · 2023: 9 · 2022: 8 · 2021: 4 · 2020: 9 · 2019: 6 · 2018: 5 · 2017: 2 · 2016: 1
FWCI
5.42
Type
journal article
Language
en
Open access
closed
Locations
  • Biochimica et Biophysica Acta (BBA) - General Subjects (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • National Sciences and Engineering Research Council of Canada (NSERC-RGPIN 402733)
  • ZPF (NSERC-RGPIN 249962)
  • Heart and Stroke Foundation of Canada (G-13-0003069)
Topics
  • Health Sciences › Medicine › Pediatrics, Perinatology and Child Health › Neonatal and fetal brain pathology
  • Life Sciences › Neuroscience › Developmental Neuroscience › Anesthesia and Neurotoxicity Research
  • Health Sciences › Medicine › Neurology › Traumatic Brain Injury and Neurovascular Disturbances
Keywords
tideglusib, glycogen synthase kinase-3β inhibition, hypoxic-ischemic brain injury, neonatal stroke, neuroprotection, cerebral infarct volume, Notch1, STAT3 signaling, Akt signaling, caspase-3, caspase-9, glial fibrillary acidic protein, apoptosis, carotid artery ligation
MeSH terms
Glycogen Synthase Kinase 3 beta, Animals, Animals, Newborn, Brain Injuries, Disease Models, Animal, Enzyme Inhibitors, Gene Expression Regulation, Humans, Phosphorylation, Thiadiazoles, Signal Transduction, Neuroprotective Agents, Hypoxia-Ischemia, Brain, Proto-Oncogene Proteins c-akt, Mice, Caspase 3

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