Evidence mapPaperPMID 35510663Full record

SynthesisCNS neuroscience & therapeutics2022

Pre- and post-conditioning with poly I:C exerts neuroprotective effect against cerebral ischemia injury in animal models: A systematic review and meta-analysis.

Zeeshan Ahmad Khan, Dewan Md Sumsuzzman, Jeonghyun Choi, George Kamenos, Yonggeun Hong

Open access · goldAbstract readMeta-AnalysisSystematic Review
In one paragraph

Synthesis in CNS neuroscience & therapeutics, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
7citing papers in PubMed, 1 pooled it
0.5field-weighted citation impact, top 37% 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

7 citing papers in PubMed, 1 synthesis or guideline pooled it, 6 citations in OpenAlex.

  1. Pooled it
  2. Article
  3. Review
  4. Neuroprotective effect of ischemic postconditioning against hyperperfusion and its mechanisms of neuroprotection.Journal of research in medical sciences : the official journal of Isfahan University of Medical Sciences · 2024
    Review
  5. The multifaceted roles of activating transcription factor 3 (ATF3) in inflammatory responses - Potential target to regulate neuroinflammation in acute brain injury.Journal of cerebral blood flow and metabolism : official journal of the International Society of Cerebral Blood Flow and Metabolism · 2023
    Review
  6. Review
  7. Article
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

5 authors at 1 institution in 1 country.

Zeeshan Ahmad KhanDepartment of Physical Therapy, College of Healthcare Medical Science & Engineering, Gimhae, Korea.ORCID 0000-0002-0737-0253
Dewan Md SumsuzzmanDepartment of Physical Therapy, College of Healthcare Medical Science & Engineering, Gimhae, Korea.
Jeonghyun ChoiDepartment of Physical Therapy, College of Healthcare Medical Science & Engineering, Gimhae, Korea.
George KamenosBiohealth Products Research Center (BPRC), Inje University, Gimhae, Korea.
Yonggeun HongDepartment of Physical Therapy, College of Healthcare Medical Science & Engineering, Gimhae, Korea.ORCID 0000-0003-1288-0546
Inje University · KR

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundToll-like receptor (TLR) agonist polyinosinic-polycytidylic acid (poly I:C) exerts neuroprotective effects against cerebral ischemia (CI), but concrete evidence supporting its exact mechanism of action is unclear.

methodsWe evaluated the neuroprotective role of poly I:C by assessing CI indicators such as brain infarct volume (BIV), neurological deficit score (N.S.), and signaling pathway proteins. Moreover, we performed a narrative review to illustrate the mechanism of action of TLRs and their role in CI. Our search identified 164 articles and 10 met the inclusion criterion.

resultsPoly I:C reduces BIV and N.S. (p = 0.00 and p = 0.03). Interestingly, both pre- and post-conditioning decrease BIV (preC p = 0.04 and postC p = 0.00) and N.S. (preC p = 0.03 and postC p = 0.00). Furthermore, poly I:C upregulates TLR3 [SMD = 0.64; CIs (0.56, 0.72); p = 0.00], downregulates nuclear factor-κB (NF-κB) [SMD = -1.78; CIs (-2.67, -0.88); p = 0.0)], and tumor necrosis factor alpha (TNF-α) [SMD = -16.83; CIs (-22.63, -11.02); p = 0.00].

conclusionWe showed that poly I:C is neuroprotective and acts via the TLR3/NF-κB/TNF-α pathway. Our review indicated that suppressing TLR 2/4 may illicit neuroprotection against CI. Further research on simultaneous activation of TLR3 with poly I:C and suppression of TLR 2/4 might open new vistas for the development of therapeutics against CI.

Indexed as

Brain InjuriesBrain IschemiaNeuroprotective AgentsAnimalsBrain InfarctionCerebral InfarctionNF-kappa BPoly I-CSignal TransductionToll-Like Receptor 2Toll-Like Receptor 3Tumor Necrosis Factor-alphaNeuroprotective AgentsNF-kappa BPoly I-CToll-Like Receptor 2Toll-Like Receptor 3Tumor Necrosis Factor-alphacerebral ischemiameta-analysispoly I:Csystematic reviewtoll-like receptors

Identifiers

PMID35510663
PMCPMC9253751
OpenAlexW4228997908

What Socratic holds

Textmetadata
LicenceCC BY
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 Socratic graph.