Evidence map›Paper›PMID 18665321›Full record

ArticleJournal of neural transmission (Vienna, Austria : 1996)2008

Association between polymorphisms in the vesicle-associated membrane protein-associated protein A (VAPA) gene on chromosome 18p and bipolar disorder.

Falk W Lohoff, Andrew E Weller, Paul J Bloch, Aleksandra H Nall, Thomas N Ferraro, Wade H Berrettini

Abstract read
PubMed Publisher
In one paragraph

Article in Journal of neural transmission (Vienna, Austria : 1996), 2008. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.

0numbers the graph read from it
0cells of the map it votes in
8citing papers in PubMed
1.5field-weighted citation impact, top 17% 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

8 citing papers in PubMed, 12 citations in OpenAlex.

  1. Article
  2. Article
  3. Article
  4. Article
  5. Review
  6. Article
  7. Sperm and oocyte communication mechanisms controlling C. elegans fertility.Developmental dynamics : an official publication of the American Association of Anatomists · 2010
    Review
  8. Association between polymorphisms in the metallophosphoesterase (MPPE1) gene and bipolar disorder.American journal of medical genetics. Part B, Neuropsychiatric genetics : the official publication of the International Society of Psychiatric Genetics · 2010
    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

6 authors at 1 institution in 1 country.

Falk W LohoffDepartment of Psychiatry, Translational Research Laboratories, University of Pennsylvania School of Medicine, Center for Neurobiology and Behavior, 125 South 31st Street, Room 2213, Philadelphia, PA 19104, USA. lohoff@mail.med.upenn.edu
Andrew E Weller
Paul J Bloch
Aleksandra H Nall
Thomas N Ferraro
Wade H Berrettini
University of Pennsylvania · US

Funding

COLLABORATIVE GENOMIC STUDY OF BIPOLAR DISORDERR01MH059553 · NIMH · UNIVERSITY OF PENNSYLVANIA · PI BERRETTINI, WADE H · 1998 to 2007
$2.1M
VMAT1 in bipolar disorder and schizophreniaK08MH080372 · NIMH · UNIVERSITY OF PENNSYLVANIA · PI LOHOFF, FALK W · 2008 to 2012
$949k
A Neuropeptide Gene in Psychiatric IllnessR01MH063876 · NIMH · UNIVERSITY OF PENNSYLVANIA · PI BERRETTINI, WADE H · 2002 to 2004
$555k
NIMH NIH HHS K08 MH080372NIMH NIH HHS MH59553NIMH NIH HHS MH63876
6 · The paper itself

Abstract

Linkage studies in bipolar disorder (BPD) suggest that a susceptibility locus exists on chromosome 18p11. The vesicle-associated membrane protein-associated protein A (VAPA) gene maps to this region. VAPA interacts with presynaptic proteins and is necessary for vesicular neurotransmission. Dysregulation of synaptic neurotransmission might contribute to the pathophysiology of BPD. In this study, we hypothesize that genetic variations in the VAPA gene contribute to BPD. We tested this hypothesis by genotyping 6 SNPs (rs494015; rs29193; rs29162; rs29145; rs29067; rs29066) in BPD patients (n = 570) and healthy controls (n = 730). Genotype and allele frequencies were compared between groups using Chi square contingency analysis. Linkage disequilibrium (LD) between markers was calculated and estimated haplotype frequencies were compared between groups. Single marker analysis revealed an association of rs29067 and rs29066 with BPD; however, after permutation correction, only rs29066 showed a trend towards an allelic association (P = 0.066). Haplotype analysis did not show any significant association with disease after permutation correction. Our results provide suggestive evidence of an association between SNPs in the 3'UTR of the VAPA gene and BPD. Interestingly, these SNPs are in close proximity to the microsatellite marker D18S464, which showed significant signals in previous linkage studies of BPD. Additional studies are necessary to confirm and elucidate the role of VAPA as a susceptibility gene for BPD on chromosome 18p.

Indexed as

3' Untranslated RegionsBipolar DisorderBrain ChemistryChromosome MappingChromosomes, Human, Pair 18DNA Mutational AnalysisGene FrequencyGenetic MarkersGenetic Predisposition to DiseaseGenetic TestingGenotypeHaplotypesHumansLinkage DisequilibriumMicrosatellite RepeatsPolymorphism, Genetic3' Untranslated RegionsGenetic MarkersVAPA protein, humanVesicular Transport Proteins

Identifiers

PMID18665321
OpenAlexW2002916537

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.