Evidence map›Paper›PMID 27195302›Full record

SynthesisJournal of diabetes research2016

Variations in the Obesity Gene "LEPR" Contribute to Risk of Type 2 Diabetes Mellitus: Evidence from a Meta-Analysis.

Ming Ming Yang, Jun Wang, Jiao Jie Fan, Tsz Kin Ng, Dian Jun Sun, Xin Guo, Yan Teng, Yan-Bo Li

Abstract readMeta-AnalysisSystematic Review
In one paragraph

Synthesis in Journal of diabetes research, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 28 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
28citing papers in PubMed, 2 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

28 citing papers in PubMed, 2 syntheses or guidelines pooled it.

  1. Pooled it
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  8. TCF7L2 and FTO Polymorphisms Are Associated with Type 2 Diabetes Mellitus Risk in Kuwait.Medical principles and practice : international journal of the Kuwait University, Health Science Centre · 2024
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  11. A Longitudinal Study of the Association between theInternational journal of molecular sciences · 2022
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  13. Association ofGenes · 2021
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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

8 authors.

Ming Ming YangEye Hospital, The First Affiliated Hospital of Harbin Medical University, Harbin 150001, China; The Centre for Endemic Disease Control, Chinese Center for Disease Control and Prevention, Harbin Medical University, Harbin 150001, China; Department of Ophthalmology and Visual Sciences, The Chinese University of Hong Kong, Sha Tin 999077, Hong Kong.
Jun WangDepartment of Endocrinology, The First Affiliated Hospital of Harbin Medical University, Harbin 150001, China.ORCID 0000-0003-3653-6803
Jiao Jie FanEye Hospital, The First Affiliated Hospital of Harbin Medical University, Harbin 150001, China.
Tsz Kin NgDepartment of Ophthalmology and Visual Sciences, The Chinese University of Hong Kong, Sha Tin 999077, Hong Kong.ORCID 0000-0001-7863-7229
Dian Jun SunThe Centre for Endemic Disease Control, Chinese Center for Disease Control and Prevention, Harbin Medical University, Harbin 150001, China.
Xin GuoEye Hospital, The First Affiliated Hospital of Harbin Medical University, Harbin 150001, China.
Yan TengEye Hospital, The First Affiliated Hospital of Harbin Medical University, Harbin 150001, China.
Yan-Bo LiDepartment of Endocrinology, The First Affiliated Hospital of Harbin Medical University, Harbin 150001, China.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Leptin is a hormone protein regulating food intake and energy expenditure. A number of studies have evaluated the genetic effect of leptin (LEP) and leptin receptor (LEPR) genes on T2DM. This study aimed to investigate the association between these gene polymorphisms and T2DM by a systematic review and meta-analysis. Published studies were identified through extensive search in PubMed and EMBASE. A total of 5143 T2DM cases and 5021 controls from 14 articles were included in this study. Five functional variants in LEPR were well evaluated. Meta-analysis showed that rs1137101 (p.R223Q) was significantly associated with T2DM in all genetic models: allele model (OR = 1.27, 95% confidence interval (CI) = 1.13-1.42), dominant model (OR = 1.19, 95% CI = 1.05-1.35), homozygote model (OR = 1.82, 95% CI = 1.38-2.39), and recessive model (OR = 1.75, 95% CI = 1.35-2.28), with minimal heterogeneity and no indication of publication bias. Similar associations with T2DM were also found for rs62589000 (p.P1019P) and 3'UTR ins/del, although the data was obtained from a small number of studies. For the other two polymorphisms rs1137100 (p.R109K) and rs8179183 (p.K656N), they were not significantly associated with T2DM. Our results provide robust evidences for the genetic association of rs1137101 (p.R223Q) in LEPR with T2DM susceptibility.

Indexed as

AllelesDiabetes Mellitus, Type 2Genetic Predisposition to DiseaseHomozygoteHumansModels, GeneticPolymorphism, GeneticReceptors, LeptinLEPR protein, humanReceptors, Leptin

Identifiers

PMID27195302
PMCPMC4852360

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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.