Evidence map›Paper›PMID 31933869›Full record

ArticleInternational journal of clinical and experimental pathology2019

Functional tag SNPs inside the DRD2 gene as a genetic risk factor for major depressive disorder in the Chinese Han population.

Mei He, Hua He, Liuyun Yang, Jieyuan Zhang, Kuijun Chen, Zhaoxia Duan

Open access · greenAbstract read
In one paragraph

Article in International journal of clinical and experimental pathology, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
8citing papers in PubMed, 1 pooled it
1.2field-weighted citation impact, top 21% 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, 1 synthesis or guideline pooled it, 14 citations in OpenAlex.

  1. Pooled it
  2. Psychopathic Traits Associate With Later Schizophrenia.Acta psychiatrica Scandinavica · 2025
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  7. Network Pharmacology and Molecular Docking Analyses of Mechanisms Underlying Effects of theEvidence-based complementary and alternative medicine : eCAM · 2021
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  8. 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.

Mei HeDepartment of Clinical Psychology, Southwest Hospital, Third Military Medical University Chongqing, China.
Hua HeDepartment of Transfusion, Southwest Hospital, Third Military Medical University Chongqing, China.
Liuyun YangDepartment of Health Management, Research Institute of Surgery, Daping Hospital, Third Military Medical University Chongqing 400042, China.
Jieyuan ZhangDepartment XI, Research Institute of Surgery, Daping Hospital, Third Military Medical University, State Key Laboratory of Trauma, Burns and Combined Injury Chongqing, China.
Kuijun ChenDepartment XI, Research Institute of Surgery, Daping Hospital, Third Military Medical University, State Key Laboratory of Trauma, Burns and Combined Injury Chongqing, China.
Zhaoxia DuanDepartment XI, Research Institute of Surgery, Daping Hospital, Third Military Medical University, State Key Laboratory of Trauma, Burns and Combined Injury Chongqing, China.
Army Medical University · CN

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundThe D2 dopamine receptor (DRD2) has been extensively investigated and has been associated with the occurrence of neuropsychiatric disorders. Polymorphisms in the DRD2 gene have also been determined as a possible predisposing component for major depressive disorders (MDD). The present study focused on evaluating the connection of polymorphisms inside the whole DRD2 gene in MDD patients as well as in non-MDD participants in a group selected from the Chinese Han population. MATERIALS AND

methodsIn total, 831 unrelated Chinese adults from the Han population were sampled, including 497 non-MDD participants and 334 MDD patients for this evaluation. After the haplotype bins were built, 14 tag single-nucleotide polymorphisms (tSNPs) and the two most investigated SNP were chosen for the whole DRD2 gene. An improved multiplex ligation detection reaction (iMLDR) technique was used to choose the genotypes. Following this, the allelic frequencies and clinical features were contrasted between the two independent Chinese Han populations. Transcriptional enhancer activities were measured to assess the functionality of the rs7131056 polymorphism.

resultsSixteen SNPs were identified, including the two most examined in the Chinese Han population, and all were recurrent SNPs. Of the 16 SNPs, two (rs4648317 and rs7131056) were significantly connected to MDD. Patients with MDD were more apt to carry the rs4648317G and rs7131056A allele in contrast to the non-MDD controls (P < 0.05). The genetic risk effect on MDD occurrence was associated with the haplotype GTGATCGCGCAGGC of fourteen tag SNPs (OR = 1.52, 95% CI: 1.06 to 2.18, P = 0.02). Moreover, the rs7131056 polymorphism contained intronic silencer activities.

conclusionsThis case-control evaluation involving the Chinese Han population suggests that the rs4648317 and rs7131056 polymorphisms and the haplotype GTGATCGCGCAGGC inside the DRD2 gene could be possible markers to forecast vulnerability to MDD.

Indexed as

Dopamine D2 receptorintronic silencermajor depressive disordertag single nucleotide polymorphisms

Identifiers

PMID31933869
PMCPMC6945087
OpenAlexW3006481404

What OpenQuestion holds

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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.