Evidence map›Paper›PMID 34827531›Full record

ArticleBrain sciences2021

Modulation of Long-Term Potentiation by Gamma Frequency Transcranial Alternating Current Stimulation in Transgenic Mouse Models of Alzheimer's Disease.

Won-Hyeong Jeong, Wang-In Kim, Jin-Won Lee, Hyeng-Kyu Park, Min-Keun Song, In-Sung Choi, Jae-Young Han

Open access · goldAbstract read
In one paragraph

Article in Brain sciences, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 17 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
17citing papers in PubMed, 1 pooled it
2.3field-weighted citation impact, top 12% 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

17 citing papers in PubMed, 1 synthesis or guideline pooled it, 26 citations in OpenAlex.

  1. Pooled it
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  8. Neural Correlates and Molecular Mechanisms of Memory and Learning.International journal of molecular sciences · 2024
    Article
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  12. Tacrine-Based Hybrids: Past, Present, and Future.International journal of molecular sciences · 2023
    Review
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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 1 institution in 1 country.

Won-Hyeong JeongDepartment of Physical & Rehabilitation Medicine, Chonnam National University Hospital, Gwangju City 61469, Korea.
Wang-In KimDepartment of Physical & Rehabilitation Medicine, Chonnam National University Hospital, Gwangju City 61469, Korea.
Jin-Won LeeDepartment of Physical & Rehabilitation Medicine, Chonnam National University Hospital, Gwangju City 61469, Korea.
Hyeng-Kyu ParkDepartment of Physical & Rehabilitation Medicine, Chonnam National University Hospital, Gwangju City 61469, Korea.ORCID 0000-0003-3769-6227
Min-Keun SongDepartment of Physical & Rehabilitation Medicine, Regional Cardiocerebrovascular Center, Center for Aging and Geriatrics, Chonnam National University Medical School & Hospital, Gwangju City 61469, Korea.
In-Sung ChoiDepartment of Physical & Rehabilitation Medicine, Chonnam National University Hospital, Gwangju City 61469, Korea.
Jae-Young HanDepartment of Physical & Rehabilitation Medicine, Regional Cardiocerebrovascular Center, Center for Aging and Geriatrics, Chonnam National University Medical School & Hospital, Gwangju City 61469, Korea.ORCID 0000-0003-1672-8875
Chonnam National University Hospital · KR

Funding

This study was funded by the National Research Foundation of Korea 2019R1I1A3A01060059
6 · The paper itself

Abstract

Transcranial alternating current stimulation (tACS) is a neuromodulation procedure that is currently studied for the purpose of improving cognitive function in various diseases. A few studies have shown positive effects of tACS in Alzheimer's disease (AD). However, the mechanism underlying tACS has not been established. The purpose of this study was to investigate the mechanism of tACS in five familial AD mutation (5xFAD) mouse models. We prepared twenty 4-month-old mice and divided them into four groups: wild-type mice without stimulation (WT-NT group), wild-type mice with tACS (WT-T group), 5xFAD mice without stimulation (AD-NT group), and 5xFAD mice with tACS (AD-T group). The protocol implemented was as follows: gamma frequency 200 μA over the bilateral frontal lobe for 20 min over 2 weeks. The following tests were conducted: excitatory postsynaptic potential (EPSP) recording, Western blot analysis (cyclic AMP response element-binding (CREB) proteins, phosphorylated CREB proteins, brain-derived neurotrophic factor, and parvalbumin) to examine the synaptic plasticity. The EPSP was remarkably increased in the AD-T group compared with in the AD-NT group. In the Western blot analysis, the differences among the groups were not significant. Hence, tACS can affect the long-lasting enhancement of synaptic transmission in mice models of AD.

Indexed as

5xFADAlzheimer’s diseaseexcitatory postsynaptic potentialgamma frequencylong-term potentiationnoninvasive brain stimulationsynaptic plasticitytranscranial alternating current stimulationtransgenic mouse modelWestern blot analysis

Identifiers

PMID34827531
PMCPMC8615498
OpenAlexW3211511820

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.