Evidence map›Paper›PMID 27561780›Full record

ArticleEuropean child & adolescent psychiatry2017

Serum brain-derived neurotrophic factor, glial-derived neurotrophic factor, nerve growth factor, and neurotrophin-3 levels in children with attention-deficit/hyperactivity disorder.

Ayhan Bilgiç, Aysun Toker, Ümit Işık, İbrahim Kılınç

Abstract read
PubMed Publisher
In one paragraph

Article in European child & adolescent psychiatry, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 29 papers.

0numbers the graph read from it
0cells of the map it votes in
29citing papers in PubMed
2.8field-weighted citation impact, top 10% 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

29 citing papers in PubMed, 53 citations in OpenAlex.

  1. Review
  2. The Role of GDNF and NSE in Attention-deficit/Hyperactivity Disorder: The Relationship with Sleep and Eating.Clinical psychopharmacology and neuroscience : the official scientific journal of the Korean College of Neuropsychopharmacology · 2026
    Article
  3. Plasma BDNF levels in children with ADHD before and after methylphenidate treatment.Scandinavian journal of child and adolescent psychiatry and psychology · 2026
    Article
  4. Article
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  6. Review
  7. Article
  8. Article
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  10. Unraveling the causative connection between urticaria, inflammatory cytokines, and mental disorders: Perspectives from genetic evidence.Skin research and technology : official journal of International Society for Bioengineering and the Skin (ISBS) [and] International Society for Digital Imaging of Skin (ISDIS) [and] International Society for Skin Imaging (ISSI) · 2024
    Article
  11. Article
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  14. Article
  15. Article
  16. Review
  17. Article
  18. Article
  19. Review
  20. ADHD: Reviewing the Causes and Evaluating Solutions.Journal of personalized medicine · 2021
    Review
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

4 authors at 1 institution in 1 country.

Ayhan BilgiçDepartment of Child and Adolescent Psychiatry, Meram School of Medicine, Necmettin Erbakan University, 42090, Meram/Konya, Turkey. bilgicayhan@yahoo.com.
Aysun TokerDepartment of Biochemistry, Meram School of Medicine, Necmettin Erbakan University, Konya, Turkey.
Ümit IşıkDepartment of Child and Adolescent Psychiatry, Meram School of Medicine, Necmettin Erbakan University, 42090, Meram/Konya, Turkey.
İbrahim KılınçDepartment of Biochemistry, Meram School of Medicine, Necmettin Erbakan University, Konya, Turkey.
Necmettin Erbakan University · TR

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

It has been suggested that neurotrophins are involved in the etiopathogenesis of attention-deficit/hyperactivity disorder (ADHD). This study aimed to investigate whether there are differences in serum brain-derived neurotrophic factor (BDNF), glial-derived neurotrophic factor (GDNF), nerve growth factor (NGF), and neurotrophin-3 (NTF3) levels between children with ADHD and healthy controls. A total of 110 treatment-naive children with the combined presentation of ADHD and 44 healthy controls aged 8-18 years were enrolled in this study. The severity of ADHD symptoms was determined by scores on the Conners' Parent Rating Scale-Revised Short and Conners' Teacher Rating Scale-Revised Short. The severity of depression and anxiety symptoms of the children were evaluated by the self-report inventories. Serum levels of neurotrophins were measured using commercial enzyme-linked immunosorbent assay kits. The multivariate analysis of covariance (MANCOVA) revealed a significant main effect of groups in the levels of serum neurotrophins, an effect that was independent of age, sex, and the severity of the depression and anxiety. The analysis of covariance (ANCOVA) indicated that the mean serum GDNF and NTF3 levels of ADHD patients were significantly higher than that of controls. However, serum BDNF and NGF levels did not show any significant differences between groups. No correlations between the levels of serum neurotrophins and the severity of ADHD were observed. These results suggest that elevated serum GDNF and NTF3 levels may be related to ADHD in children.

Indexed as

AdolescentAnxietyAttention Deficit Disorder with HyperactivityBiomarkersBrain-Derived Neurotrophic FactorCase-Control StudiesChildDepressionEnzyme-Linked Immunosorbent AssayFemaleGlial Cell Line-Derived Neurotrophic FactorHumansMaleMultivariate AnalysisNerve Growth FactorNerve Growth FactorsBiomarkersBrain-Derived Neurotrophic FactorGDNF protein, humanGlial Cell Line-Derived Neurotrophic FactorNerve Growth FactorNerve Growth FactorsNeurotrophin 3NGF protein, humanAttention-deficit/hyperactivity disorderBrain-derived neurotrophic factorGlial-derived neurotrophic factorNerve growth factorNeurotrophin-3

Identifiers

PMID27561780
OpenAlexW2513986192

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

None linked

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.