Evidence map›Paper›PMID 35538555›Full record

ArticleParticle and fibre toxicology2022

Aluminium oxide nanoparticles compromise spatial memory performance and proBDNF-mediated neuronal function in the hippocampus of rats.

Wei Sun, Jia Li, Xiaoliang Li, Xiao Chen, Yazi Mei, Yang Yang, Lei An

Open access · goldAbstract read
In one paragraph

Article in Particle and fibre toxicology, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.

0numbers the graph read from it
0cells of the map it votes in
9citing papers in PubMed
1.7field-weighted citation impact, top 17% 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

9 citing papers in PubMed, 19 citations in OpenAlex.

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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

7 authors at 4 institutions in 1 country.

Wei SunDepartment of Pediatric, The First Affiliated Hospital, Guizhou University of Traditional Chinese Medicine, Guiyang, 550001, Guizhou, China.
Jia LiCollege of Acupuncture and Orthopedics, Guizhou University of Traditional Chinese Medicine, Guiyang, 550025, Guizhou, China.
Xiaoliang LiDepartment of Neurology, Jinan Geriatric/Rehabilitation Hospital, Jinan, 250013, China.
Xiao ChenDepartment of Pediatric, The First Affiliated Hospital, Guizhou University of Traditional Chinese Medicine, Guiyang, 550001, Guizhou, China.
Yazi MeiGraduate School of Guangzhou, University of Chinese Medicine, Guangzhou, 510006, China.
Yang YangDepartment of Pediatric, The First Affiliated Hospital, Guizhou University of Traditional Chinese Medicine, Guiyang, 550001, Guizhou, China.
Lei AnDepartment of Pediatric, The First Affiliated Hospital, Guizhou University of Traditional Chinese Medicine, Guiyang, 550001, Guizhou, China. al_totti@sina.com.ORCID 0000-0002-1406-7471
Guizhou University · CNGuangzhou University of Chinese Medicine · CNGuiyang College of Traditional Chinese Medicine · CNJinan Maternity And Care Hospital · CN

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundAlumina nanoparticles (aluminaNPs), which are widely used in a range of daily and medical fields, have been shown to penetrate blood-brain barrier, and distribute and accumulate in different brain areas. Although oral treatment of aluminaNPs induces hippocampus-dependent learning and memory impairments, characteristic effects and exact mechanisms have not been fully elucidated. Here, male adult rats received a single bilateral infusion of aluminaNPs (10 or 20 µg/kg of body weight) into the hippocampal region, and their behavioral performance and neural function were assessed.

resultsThe results indicated that the intra-hippocampus infusions at both doses of aluminaNPs did not cause spatial learning inability but memory deficit in the water maze task. This impairment was attributed to the effects of aluminaNP on memory consolidation phase through activation of proBDNF/RhoA pathway. Inhibition of the increased proBDNF by hippocampal infusions of p75

conclusionsTaken together, our findings provide the first evidence that the accumulation of aluminaNPs in the hippocampus exaggeratedly activates proBDNF signaling, which leads to neural and memory impairments.

Indexed as

NanoparticlesSpatial MemoryAluminum OxideAnimalsHippocampusMaleNeuronsRatsAluminum OxideAluminum oxide nanoparticleHippocampal CA1 neuronMemory consolidationNeuronal activitySynaptic plasticity

Identifiers

PMID35538555
PMCPMC9087928
OpenAlexW4229457533

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.