Evidence map›Paper›PMID 22610920›Full record

SynthesisAmerican journal of medical genetics. Part B, Neuropsychiatric genetics : the official publication of the International Society of Psychiatric Genetics2012

The brain-derived neurotrophic-factor (BDNF) val66met polymorphism is associated with geriatric depression: a meta-analysis.

Yu Pei, Alicia K Smith, Yongjun Wang, Yanli Pan, Jian Yang, Qi Chen, Weigang Pan, Feng Bao, Lisha Zhao, Changle Tie and 5 more

Abstract readMeta-Analysis
In one paragraph

Synthesis in American journal of medical genetics. Part B, Neuropsychiatric genetics : the official publication of the International Society of Psychiatric Genetics, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 31 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
31citing papers in PubMed, 1 pooled it
–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

31 citing papers in PubMed, 1 synthesis or guideline pooled it.

  1. Pooled it
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  7. Genes · 2024
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  13. Association between the Val66Met polymorphism (rs6265/G196A) of the BDNF gene and cognitive performance with SSRI use in Arab Alzheimer's disease patients.Saudi pharmaceutical journal : SPJ : the official publication of the Saudi Pharmaceutical Society · 2021
    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

15 authors.

Yu PeiBeijing Anding Hospital, Capital Medical University, Beijing, China.
Alicia K Smith
Yongjun Wang
Yanli Pan
Jian Yang
Qi Chen
Weigang Pan
Feng Bao
Lisha Zhao
Changle Tie
Yizheng Wang
Jian Wang
Wenfeng Zhen
Jinxia Zhou
Xin Ma

Funding

Genetic & Environmental Risk Factors that Contribute to Childhood PsychopathologyK01MH085806 · NIMH · EMORY UNIVERSITY · PI SMITH, ALICIA K · 2010 to 2013
$522k
NIMH NIH HHS K01 MH085806NIMH NIH HHS MH085806
6 · The paper itself

Abstract

Depression has been associated with reduced expression of brain-derived neurotrophic factor (BDNF) in the hippocampus. Genetic association studies of the BDNF Val66Met polymorphism (rs6265) in geriatric depression have produced inconsistent results. A meta-analysis of studies was conducted to compare the frequency of the BDNF Val66Met variant between cases with geriatric depression and age-matched controls. A total of five studies involving 523 cases with geriatric depression and 1,220 psychiatrically healthy controls was included. Met allele carriers had an increased risk for geriatric depression when compared to Val/Val homozygotes (P = 0.004, OR = 1.48, 95% CI = 1.13-1.93). Our findings suggest the BDNF Met allele may confer increased risk for depression as individual age.

Indexed as

Genetic Association StudiesGenetic Predisposition to DiseaseAgedAmino Acid SubstitutionBrain-Derived Neurotrophic FactorDepressionHumansPolymorphism, Single NucleotidePublication BiasBrain-Derived Neurotrophic Factor

Identifiers

PMID22610920
PMCPMC3549636

What OpenQuestion holds

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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.