Evidence map›Paper›PMID 21843369›Full record

ArticleBehavioral and brain functions : BBF2011

Possible association between interleukin-1β gene and schizophrenia in a Japanese population.

Daimei Sasayama, Hiroaki Hori, Toshiya Teraishi, Kotaro Hattori, Miho Ota, Yoshimi Iijima, Masahiko Tatsumi, Teruhiko Higuchi, Naoji Amano, Hiroshi Kunugi

Open access · goldAbstract readComparative Study
In one paragraph

Article in Behavioral and brain functions : BBF, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.

0numbers the graph read from it
0cells of the map it votes in
13citing papers in PubMed
1.0field-weighted citation impact, top 26% 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

13 citing papers in PubMed, 30 citations in OpenAlex.

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  10. Determination ofOncotarget · 2017
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  13. Evidence for a dysregulated immune system in the etiology of psychiatric disorders.Journal of neuroimmune pharmacology : the official journal of the Society on NeuroImmune Pharmacology · 2013
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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

10 authors at 4 institutions in 1 country.

Daimei SasayamaDepartment of Mental Disorder Research, National Institute of Neuroscience, National Center of Neurology and Psychiatry, Kodaira, Tokyo, 187-8502, Japan. sasayama@shinshu-u.ac.jp
Hiroaki Hori
Toshiya Teraishi
Kotaro Hattori
Miho Ota
Yoshimi Iijima
Masahiko Tatsumi
Teruhiko Higuchi
Naoji Amano
Hiroshi Kunugi
National Center of Neurology and Psychiatry · JPJapan Science and Technology Agency · JPShinshu University · JPUniversity of Tsukuba · JP

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundSeveral lines of evidence have implicated the pro-inflammatory cytokine interleukin-1beta (IL-1β) in the etiology of schizophrenia. Although a number of genetic association studies have been reported, very few have systematically examined gene-wide tagging polymorphisms.

methodsA total of 533 patients with schizophrenia (302 males: mean age ± standard deviation 43.4 ± 13.0 years; 233 females; mean age 44.8 ± 15.3 years) and 1136 healthy controls (388 males: mean age 44.6 ± 17.3 years; 748 females; 46.3 ± 15.6 years) were recruited for this study. All subjects were biologically unrelated Japanese individuals. Five tagging polymorphisms of IL-1β gene (rs2853550, rs1143634, rs1143633, rs1143630, rs16944) were examined for association with schizophrenia.

resultsSignificant difference in allele distribution was found between patients with schizophrenia and controls for rs1143633 (P = 0.0089). When the analysis was performed separately in each gender, significant difference between patients and controls in allele distribution of rs1143633 was observed in females (P = 0.0073). A trend towards association was also found between rs16944 and female patients with schizophrenia (P = 0.032).

conclusionsThe present study shows the first evidence that the IL-1β gene polymorphism rs1143633 is associated with schizophrenia susceptibility in a Japanese population. The results suggest the possibility that the influence of IL-1β gene variations on susceptibility to schizophrenia may be greater in females than in males. Findings of the present study provide further support for the role of IL-1β in the etiology of schizophrenia.

Indexed as

Genetic Predisposition to DiseaseAdultAsian PeopleFemaleGenetic Association StudiesHaplotypesHumansInterleukin-1betaMaleMiddle AgedPolymorphism, Single NucleotideSchizophreniaInterleukin-1beta

Identifiers

PMID21843369
PMCPMC3168401
OpenAlexW2126565518

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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.