Evidence map›Paper›PMID 33327352›Full record

SynthesisMedicine2020

Association of interleukin-6 gene polymorphisms with the risk of hepatocellular carcinoma: An up-to-date meta-analysis.

Pei-Pei An, Li-Na Feng, Xiao-Xue Zhang, Qing-Long Jin

Open access · goldAbstract readMeta-Analysis
In one paragraph

Synthesis in Medicine, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
3citing papers in PubMed, 1 pooled it
0.2field-weighted citation impact, top 51% 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

3 citing papers in PubMed, 1 synthesis or guideline pooled it, 5 citations in OpenAlex.

  1. Pooled it
  2. Article
  3. Review
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

4 authors at 2 institutions in 4 countries.

Pei-Pei AnInstitute of Translational Medicine.
Li-Na FengDepartment of Hepatology, the First Hospital of Jilin University, Changchun, Jilin province, China.
Xiao-Xue ZhangDepartment of Hepatology, the First Hospital of Jilin University, Changchun, Jilin province, China.
Qing-Long JinDepartment of Hepatology, the First Hospital of Jilin University, Changchun, Jilin province, China.ORCID 0000-0002-3466-6025
Apple (Israel) · ILJilin University · CN

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundThis study was aimed to evaluate the association between interleukin-6 (IL-6) gene polymorphisms and the risk of hepatocellular carcinoma (HCC) in a meta-analysis.

methodsA literature search was performed for case-control studies published during May, 1993 to May, 2020 focusing on IL-6 gene polymorphisms (-174G > C, -572G > C, and -597G > A) and HCC susceptibility by using PubMed, Cochrane Database, EMBASE, Web of science, and China National Knowledge Infrastructure. From 128 full-text articles, 11 were included in this meta-analysis. I index was used to assess heterogeneity and Newcastle-Ottawa Scale was utilized for quality assessment.

resultsFor IL-6 -174G > C polymorphism, in codominant (GG vs CC: odds ratios [OR] = 2.78, 95% confidence intervals [CI] = 1.25-6.19, P = .01, I = 16%) and recessive (GG+GC vs CC: OR = 2.76, 95% CI = 1.29-5.90, P = .009, I = 3%) models, IL-6 -174G>C polymorphism was significantly associated with the risk of HCC. In dominant (GG vs CC+GC: OR = 1.80, 95% CI = 0.92-3.54, P = .09, I = 86%) and allele (G vs C: OR = 1.49, 95% CI = 0.95-2.32, P = .08, I = 68%) models, IL-6 -174G>C polymorphism had no impact on the risk of HCC. However, in non-Italian Caucasian population, IL-6 -174G>C polymorphism was significantly related to the occurrence of HCC in both dominant (GG vs CC+GC: OR = 3.26, 95% CI = 2.29-4.65, P < .00001, I = 0%) and allele (G vs C: OR = 2.48, 95% CI = 1.48-4.15, P = .0006) models. Such correlations also could be observed when healthy individuals were selected as controls. For IL-6 -572G>C and -597G>A polymorphisms, no significant association was observed in all models, regardless of the source of control and population subgroups. No publication bias could be calculated when Begg and Egger tests were employed.

conclusionThis meta-analysis indicated that IL-6 -174G>C polymorphism was significantly related with the risk for HCC, especially in non-Italian Caucasian population. No significant association was observed for the correlation between IL-6 -572G>C and -597G>A polymorphisms and HCC susceptibility.

Indexed as

AllelesCarcinoma, HepatocellularCase-Control StudiesGenetic Predisposition to DiseaseHumansInterleukin-6Liver NeoplasmsOdds RatioPolymorphism, Single NucleotideRisk FactorsWhite PeopleInterleukin-6

Identifiers

PMID33327352
PMCPMC7738155
OpenAlexW3112129610

What OpenQuestion holds

Textmetadata
LicenceCC BY
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.