Evidence map›Paper›PMID 25885038›Full record

ArticleBMC psychiatry2015

Serum brain-derived neurotrophic factor levels and personality traits in patients with major depression.

Hiroshi Nomoto, Hajime Baba, Emi Satomura, Hitoshi Maeshima, Naoko Takebayashi, Yuki Namekawa, Toshihito Suzuki, Heii Arai

Open access · goldAbstract read
In one paragraph

Article in BMC psychiatry, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
10citing papers in PubMed, 1 pooled it
1.0field-weighted citation impact, top 29% 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

10 citing papers in PubMed, 1 synthesis or guideline pooled it, 23 citations in OpenAlex.

  1. Association between Val66Met polymorphisms in brain-derived neurotrophic factor gene and asthma risk: a meta-analysis.Inflammation research : official journal of the European Histamine Research Society ... [et al.] · 2015
    Pooled it
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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 at 2 institutions in 1 country.

Hiroshi NomotoDepartment of Psychiatry, Juntendo University, School of Medicine, 2-1-1 Hongo, Tokyo, Bunkyo-ku, Japan. hnomoto@juntendo.ac.jp.
Hajime BabaDepartment of Psychiatry, Juntendo University, School of Medicine, 2-1-1 Hongo, Tokyo, Bunkyo-ku, Japan. hbaba@juntendo.ac.jp.
Emi SatomuraDepartment of Psychiatry, Juntendo University, School of Medicine, 2-1-1 Hongo, Tokyo, Bunkyo-ku, Japan. esatomu@juntendo.ac.jp.
Hitoshi MaeshimaDepartment of Psychiatry, Juntendo University, School of Medicine, 2-1-1 Hongo, Tokyo, Bunkyo-ku, Japan. hitoshim@juntendo.ac.jp.
Naoko TakebayashiDepartment of Psychiatry, Juntendo University, School of Medicine, 2-1-1 Hongo, Tokyo, Bunkyo-ku, Japan. nuemura@juntendo.ac.jp.
Yuki NamekawaDepartment of Psychiatry, Juntendo University, School of Medicine, 2-1-1 Hongo, Tokyo, Bunkyo-ku, Japan. yukia@juntendo.ac.jp.
Toshihito SuzukiDepartment of Psychiatry, Juntendo University, School of Medicine, 2-1-1 Hongo, Tokyo, Bunkyo-ku, Japan. psuzukit@juntendo.ac.jp.
Heii AraiDepartment of Psychiatry, Juntendo University, School of Medicine, 2-1-1 Hongo, Tokyo, Bunkyo-ku, Japan. heii@juntendo.ac.jp.
Juntendo University · JPDokkyo Medical University Saitama Medical Center · JP

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundBrain-derived neurotrophic factor (BDNF) is a member of the neurotrophin family of growth factors. Previous studies have demonstrated lower serum BDNF levels in patients with major depressive disorder (MDD) and reported an association between BDNF levels and depression-related personality traits in healthy subjects. The aim of the present study was to explore for a possible association between peripheral BDNF levels and personality traits in patients with MDD.

methodsIn this cross-sectional study, a total of 123 inpatients with MDD (Diagnostic and Statistical Manual for Mental Disorders, 4th edition) at the Juntendo University Koshigaya Hospital were recruited. Serum levels of BDNF were measured. Personality traits were assessed using the 125-item short version of the Temperament and Character Inventory (TCI).

resultsMultiple regression analysis adjusted for age, sex, body mass index, dose of antidepressant, and depression severity showed that TCI Self-Directedness (SD) scores were negatively associated with serum BDNF levels (β = -0.23, p = 0.026).

conclusionsMDD patients who have low SD did not show the reduction in serum BDNF levels that is normally associated with depressive state. Our findings suggest that depression-related biological changes may not occur in these individuals.

Indexed as

Major Depressive DisorderAntidepressive AgentsBrain-Derived Neurotrophic FactorCharacterCross-Sectional StudiesDiagnostic and Statistical Manual of Mental DisordersFemaleHumansJapanMaleMiddle AgedPersonalityPersonality InventoryRegression AnalysisTemperamentAntidepressive AgentsBrain-Derived Neurotrophic Factor

Identifiers

PMID25885038
PMCPMC4354762
OpenAlexW1967471351

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.