Evidence map›Paper›PMID 28256059›Full record

ArticleCNS neuroscience & therapeutics2017

GSK-3β inhibitor TDZD-8 reduces neonatal hypoxic-ischemic brain injury in mice.

Sammen Huang, Haitao Wang, Ekaterina Turlova, Ahmed Abussaud, Xiang Ji, Luiz R Britto, Steven P Miller, Ana Martinez, Hong-Shuo Sun, Zhong-Ping Feng

Open access · bronzeAbstract read
In one paragraph

Article in CNS neuroscience & therapeutics, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 19 papers.

0numbers the graph read from it
0cells of the map it votes in
19citing papers in PubMed
8.5field-weighted citation impact, top 3% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

19 citing papers in PubMed, 38 citations in OpenAlex.

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  10. Apigenin-7-Aging · 2020
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

10 authors at 3 institutions in 3 countries.

Sammen HuangDepartment of Physiology, University of Toronto, Toronto, ON, Canada.
Haitao WangDepartment of Physiology, University of Toronto, Toronto, ON, Canada.
Ekaterina TurlovaDepartment of Physiology, University of Toronto, Toronto, ON, Canada.
Ahmed AbussaudDepartment of Physiology, University of Toronto, Toronto, ON, Canada.
Xiang JiDepartment of Physiology, University of Toronto, Toronto, ON, Canada.
Luiz R BrittoDepartment of Physiology and Biophysics, Institute of Biomedical Sciences, University of São Paulo, São Paulo, Brazil.
Steven P MillerDepartment of Paediatrics, Hospital for Sick Children and University of Toronto, Toronto, ON, Canada.
Ana MartinezCentro de Investigaciones Biologicas-CSIC, Madrid, Spain.
Hong-Shuo SunDepartment of Physiology, University of Toronto, Toronto, ON, Canada.ORCID http://orcid.org/0000-0001-5142-1874
Zhong-Ping FengDepartment of Physiology, University of Toronto, Toronto, ON, Canada.
University of Toronto · CACentro de Investigaciones Biológicas Margarita Salas · ESUniversidade de São Paulo · BR

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

aimsGlycogen synthase kinase 3β (GSK-3β) is activated following hypoxic-ischemic (HI) brain injury. TDZD-8 is a specific GSK-3β inhibitor. Currently, the impact of inhibiting GSK-3β in neonatal HI injury is unknown. We aimed to investigate the effect of TDZD-8 following neonatal HI brain injury.

methodsUnilateral common carotid artery ligation followed by hypoxia was used to induce HI injury in postnatal day 7 mouse pups pretreated with TDZD-8 or vehicle. The infarct volume, whole-brain imaging, Nissl staining, and behavioral tests were used to evaluate the protective effect of TDZD-8 on the neonatal brain and assess functional recovery after injury. Western blot was used to evaluate protein levels of phosphorylated protein kinase B (Akt), GSK-3β, and cleaved caspase-3. Protein levels of cleaved caspase-3, neuronal marker, and glial fibrillary acidic protein were detected through immunohistochemistry.

resultsPretreatment with TDZD-8 significantly reduced brain damage and improved neurobehavioral outcomes following HI injury. TDZD-8 reversed the reduction of phosphorylated Akt and GSK-3β, and the activation of caspase-3 induced by hypoxia-ischemia. In addition, TDZD-8 suppressed apoptotic cell death and reduced reactive astrogliosis.

conclusionTDZD-8 has the therapeutic potential for hypoxic-ischemic brain injury in neonates. The neuroprotective effect of TDZD-8 appears to be mediated through its antiapoptotic activity and by reducing astrogliosis.

Indexed as

AnimalsAnimals, NewbornApoptosisAstrocytesBrainCaspase 3Disease Models, AnimalDNA-Binding ProteinsDrug Evaluation, PreclinicalGlial Fibrillary Acidic ProteinGliosisGlycogen Synthase Kinase 3 betaHypoxia-Ischemia, BrainMiceMotor ActivityNerve Tissue Proteins4-benzyl-2-methyl-1,2,4-thiadiazolidine-3,5-dioneCasp3 protein, mouseCaspase 3DNA-Binding ProteinsGlial Fibrillary Acidic Proteinglial fibrillary astrocytic protein, mouseGlycogen Synthase Kinase 3 betaGsk3b protein, mouseNerve Tissue ProteinsNeuN protein, mouseNeuroprotective AgentsNuclear ProteinsProtein Kinase InhibitorsProto-Oncogene Proteins c-aktThiadiazolesGSK-3βneonatal hypoxia-ischemia, neuroprotectionTDZD-8

Identifiers

PMID28256059
PMCPMC6492674
OpenAlexW2593540775

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.