Evidence map›Paper›PMID 28767193›Full record

ArticleJournal of cellular and molecular medicine2017

Decreased hippocampal brain-derived neurotrophic factor and impaired cognitive function by hypoglossal nerve transection in rats.

Doyun Kim, Sena Chung, Seung-Hyun Lee, Se-Young Choi, Soung-Min Kim, JaeHyung Koo, Jong-Ho Lee, Jeong Won Jahng

Abstract read
In one paragraph

Article in Journal of cellular and molecular medicine, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.

0numbers the graph read from it
0cells of the map it votes in
3citing papers in PubMed
–field-weighted citation impact
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

3 citing papers in PubMed.

  1. Article
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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

8 authors.

Doyun KimDepartment of Oral and Maxillofacial Surgery, Dental Research Institute, Seoul National University, School of Dentistry, Seoul, Korea.
Sena ChungDepartment of Oral and Maxillofacial Surgery, Dental Research Institute, Seoul National University, School of Dentistry, Seoul, Korea.
Seung-Hyun LeeDepartment of Physiology, Dental Research Institute, Seoul National University School of Dentistry, Seoul, Korea.
Se-Young ChoiDepartment of Physiology, Dental Research Institute, Seoul National University School of Dentistry, Seoul, Korea.
Soung-Min KimDepartment of Oral and Maxillofacial Surgery, Dental Research Institute, Seoul National University, School of Dentistry, Seoul, Korea.
JaeHyung KooDepartment of Brain Science, Daegu Gyeongbuk Institute of Science & Technology, Dae Gu, Korea.
Jong-Ho LeeDepartment of Oral and Maxillofacial Surgery, Dental Research Institute, Seoul National University, School of Dentistry, Seoul, Korea.
Jeong Won JahngDepartment of Oral and Maxillofacial Surgery, Dental Research Institute, Seoul National University, School of Dentistry, Seoul, Korea.ORCID http://orcid.org/0000-0002-4596-7077

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The hypoglossal nerve controls tongue movements, and damages of it result in difficulty in mastication and food intake. Mastication has been reported to maintain hippocampus-dependent cognitive function. This study was conducted to examine the effect of tongue motor loss on the hippocampus-dependent cognitive function and its underlying mechanism. Male Sprague Dawley rats were subjected to the initial training of Morris water maze task before or after the bilateral transection of hypoglossal nerves (Hx). When the initial training was given before the surgery, the target quadrant dwelling time during the probe test performed at a week after the surgery was significantly reduced in Hx rats relative to sham-operated controls. When the initial training was given after the surgery, Hx affected the initial and reversal trainings and probe tests. Brain-derived neurotrophic factor (BDNF) expression, cell numbers and long-term potentiation (LTP) were examined in the hippocampus on the 10

Indexed as

Long-Term PotentiationAnimalsBrain-Derived Neurotrophic FactorCognitionCognitive DysfunctionDentate GyrusDoublecortin Domain ProteinsDoublecortin ProteinGene Expression RegulationHippocampusHypoglossal NerveHypoglossal Nerve InjuriesMaleMasticationMaze LearningMicrotubule-Associated ProteinsBrain-Derived Neurotrophic FactorDcx protein, ratDoublecortin Domain ProteinsDoublecortin ProteinMicrotubule-Associated ProteinsNeuropeptideshippocampuslearning and memorytongue

Identifiers

PMID28767193
PMCPMC5706565

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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.