Evidence map›Paper›PMID 18707679›Full record

ArticleBiological psychiatry2008

Impact of the brain-derived neurotrophic factor Val66Met polymorphism on levels of hippocampal N-acetyl-aspartate assessed by magnetic resonance spectroscopic imaging at 3 Tesla.

Alexa J Stern, Antonina A Savostyanova, Aaron Goldman, Alan S Barnett, Jan Willem C van der Veen, Joseph H Callicott, Venkata S Mattay, Daniel R Weinberger, Stefano Marenco

Open access · greenAbstract read
In one paragraph

Article in Biological psychiatry, 2008. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 16 papers.

0numbers the graph read from it
0cells of the map it votes in
16citing papers in PubMed
2.4field-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

16 citing papers in PubMed, 42 citations in OpenAlex.

  1. Trial
  2. Review
  3. Article
  4. Article
  5. Article
  6. Review
  7. Modulating neural plasticity with non-invasive brain stimulation in schizophrenia.European archives of psychiatry and clinical neuroscience · 2013
    Review
  8. Article
  9. Article
  10. Article
  11. Article
  12. BDNF Val66Met polymorphism and brain volumes in multiple sclerosis.Neurological sciences : official journal of the Italian Neurological Society and of the Italian Society of Clinical Neurophysiology · 2011
    Article
  13. Review
  14. Article
  15. Article
  16. Early Life Stress Associated With Increased StriatalChronic stress (Thousand Oaks, Calif.)
    Article
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

9 authors at 2 institutions in 1 country.

Alexa J SternClinical Brain Disorders Branch, Genes, Cognition and Psychosis Program, National Institute of Mental Health Intramural Research Program, National Institutes of Health, Bethesda, Maryland 20892, USA.
Antonina A Savostyanova
Aaron Goldman
Alan S Barnett
Jan Willem C van der Veen
Joseph H Callicott
Venkata S Mattay
Daniel R Weinberger
Stefano Marenco
National Institutes of Health · USNational Institute of Mental Health · US

Funding

Genetic Basis Of Cortical Malfunction In SchizophreniaZIAMH002734 · NIMH · NATIONAL INSTITUTE OF MENTAL HEALTH · PI BERMAN, KAREN FAITH · 2009 to 2014
$17.5M
Magnetic Resonance Spectroscopy Core FacilityZICMH002894 · NIMH · NATIONAL INSTITUTE OF MENTAL HEALTH · PI SHEN, JUN · 2009 to 2024
$13.5M
MRI Studies of Brain Function and MetabolismZIAMH002716 · NIMH · NATIONAL INSTITUTE OF MENTAL HEALTH · PI BERMAN, KAREN FAITH · 2009 to 2013
$9.8M
Neuroimaging Core FacilityZICMH002905 · NIMH · NATIONAL INSTITUTE OF MENTAL HEALTH · PI BERMAN, KAREN FAITH · 2009 to 2012
$3.8M
Biological Characterization of Genetic Mechanisms in Neuropsychiatric DisordersZ01MH002904 · NIMH · NATIONAL INSTITUTE OF MENTAL HEALTH · PI WEINBERGER, DANIEL · 2007 to 2008
$2.6M
Intramural NIH HHS Z01 MH002904Intramural NIH HHS Z99 MH999999
6 · The paper itself

Abstract

backgroundThis study was conducted to corroborate prior evidence of an effect of the brain-derived neurotrophic factor (BDNF) valine (val) to methionine (met) amino acid substitution at codon 66 (val66met) polymorphism on measures of N-acetyl-aspartate (NAA) containing compounds in healthy subjects.

methodsThe NAA to creatine (Cre) ratio (NAA/Cre), NAA to choline (Cho) ratio (NAA/Cho), and Cho to Cre ratio (Cho/Cre) were measured in the left and right hippocampi, left and right dorsolateral prefrontal cortices, occipital lobe, anterior cingulate, and white matter of the centrum semiovale of 69 carefully screened healthy volunteers utilizing proton magnetic resonance spectroscopic imaging (MRSI) at 3 Tesla (T).

resultsVal/met subjects exhibited significantly reduced levels of left hippocampal NAA/Cre and NAA/Cho compared with val/val subjects. This effect was independent of age, IQ, number of voxels, hippocampal volume, or gray matter content in the voxels of interest. Analysis of other brain regions showed no effect of BDNF genotype on NAA measures.

conclusionsWe confirmed the association between the met-BDNF variant and reduced levels of hippocampal NAA found with a similar technique at 1.5T. The consonance of our results with prior findings adds to the evidence that the BDNF val/met genotype affects hippocampal biology with implications for a variety of neuropsychiatric disorders.

Indexed as

Polymorphism, GeneticAdultAnalysis of VarianceAspartic AcidBrain-Derived Neurotrophic FactorChi-Square DistributionCholineCreatineFemaleFunctional LateralityHippocampusHumansMagnetic Resonance SpectroscopyMaleMethionineValineAspartic AcidBrain-Derived Neurotrophic FactorCholineCreatineMethionineN-acetylaspartateValine

Identifiers

PMID18707679
PMCPMC2586327
OpenAlexW2013993405

What OpenQuestion holds

Textmetadata
LicenceTDM
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.