Evidence map›Paper›PMID 31729545›Full record

ArticleNaunyn-Schmiedeberg's archives of pharmacology2020

Carvacrol suppresses learning and memory dysfunction and hippocampal damages caused by chronic cerebral hypoperfusion.

Azadeh Shahrokhi Raeini, Zeynab Hafizibarjin, Mohammad Ebrahim Rezvani, Fatemeh Safari, Faezeh Afkhami Aghda, Fatemeh Zare Mehrjerdi

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In one paragraph

Article in Naunyn-Schmiedeberg's archives of pharmacology, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 16 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
16citing papers in PubMed, 1 pooled it
1.4field-weighted citation impact, top 18% 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

16 citing papers in PubMed, 1 synthesis or guideline pooled it, 35 citations in OpenAlex.

  1. Pooled it
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  3. Review
  4. Article
  5. Article
  6. Investigation of the Immunomodulatory and Neuroprotective Properties ofInternational journal of molecular sciences · 2025
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  9. Article
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  13. Pharmaceutical biology · 2021
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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

6 authors at 1 institution in 1 country.

Azadeh Shahrokhi RaeiniNeurobiomedical Research Center, School of Medicine, Shahid Sadoughi University of Medical Sciences and Health Services, Yazd, Iran.
Zeynab HafizibarjinNeurobiomedical Research Center, School of Medicine, Shahid Sadoughi University of Medical Sciences and Health Services, Yazd, Iran.
Mohammad Ebrahim RezvaniNeurobiomedical Research Center, School of Medicine, Shahid Sadoughi University of Medical Sciences and Health Services, Yazd, Iran.
Fatemeh SafariNeurobiomedical Research Center, School of Medicine, Shahid Sadoughi University of Medical Sciences and Health Services, Yazd, Iran.
Faezeh Afkhami AghdaNeurobiomedical Research Center, School of Medicine, Shahid Sadoughi University of Medical Sciences and Health Services, Yazd, Iran.
Fatemeh Zare MehrjerdiNeurobiomedical Research Center, School of Medicine, Shahid Sadoughi University of Medical Sciences and Health Services, Yazd, Iran. mehzaref@gmail.com.
Shahid Sadoughi University of Medical Sciences and Health Services · IR

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Chronic cerebral hypoperfusion (CCH) is a common phenomenon in many neurological diseases such as vascular dementia and Alzheimer's disease. Several drugs have been investigated to prevent and treat the CCH. The carvacrol (CAR) has been shown to have beneficial effects on various neurodegenerative and neuropsychiatric disorders. Accordingly, the present study was designed to evaluate the effect of CAR on neuronal damages in hippocampus in a well-defined model for CCH. Forty-eight male Wistar rats were equally divided into four groups of sham (A), CCH (B), CCH+ CAR 25, and 50 mg/kg/daily (C and D). The animals were subjected to permanent bilateral occlusion of the carotid arteries (2-vessel occlusion, 2VO) to induce CCH model. Cognitive function was evaluated by Morris water maze test. Morphological changes of hippocampus were assessed using Nissl staining. Free radical scavenging activity was measured by 1,1-diphenyl-2-picrylhydrazyl (DPPH) assay. Moreover, catalase (CAT) and superoxide dismutase (SOD) activities and lipid peroxidation levels were measured using biochemical analysis. CAR significantly improved the spatial learning and memory deficits assessed using the Morris water maze test. CAR also significantly attenuated neuronal necrosis as well as malondialdehyde (MDA) and elevated the levels of SOD and CAT activity in the hippocampus. The results indicate that CAR produces significant neuroprotective effects on neuronal damages induced by CCH. Protective effect of CAR may be mediated by antioxidative effect of this drug.

Indexed as

AnimalsBiphenyl CompoundsBrain IschemiaCatalaseCymenesHippocampusMaleMalondialdehydeMemoryNeuronsNeuroprotective AgentsPicratesRats, WistarSpatial LearningSuperoxide Dismutase1,1-diphenyl-2-picrylhydrazylBiphenyl CompoundscarvacrolCatalaseCymenesMalondialdehydeNeuroprotective AgentsPicratesSuperoxide DismutaseCarvacrolChronic cerebral hypoperfusionOxidative stressSOD and catalaseSpatial learning and memory

Identifiers

PMID31729545
OpenAlexW2984651495

What OpenQuestion holds

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Registered trials

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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.