Evidence map›Paper›PMID 34432176›Full record

SynthesisInternational ophthalmology2022

Association between diabetic retinopathy and polymorphisms of cytokine genes: a systematic review and meta-analysis.

Faria Jafarzadeh, Amin Javanbakht, Niloofar Bakhtar, Alaleh Dalvand, Mahya Shabani, Mohammad-Mehdi Mehrabinejad

Abstract readMeta-AnalysisSystematic Review
PubMed Publisher
In one paragraph

Synthesis in International ophthalmology, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.

0numbers the graph read from it
0cells of the map it votes in
5citing papers in PubMed
1.1field-weighted citation impact, top 24% 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

5 citing papers in PubMed, 9 citations in OpenAlex.

  1. Article
  2. Article
  3. Review
  4. Article
  5. 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 4 institutions in 1 country.

Faria JafarzadehDepartment of Internal Medicine, School of Medicine, North Khorasan University of Medical Sciences, Bojnurd, Iran.
Amin JavanbakhtDepartment of Medicine, Abadan University of Medical Sciences, Abadan, Iran.
Niloofar BakhtarTehran Medical Branch, Islamic Azad University of Medical Sciences, Tehran, Iran.
Alaleh DalvandTehran Medical Branch, Islamic Azad University of Medical Sciences, Tehran, Iran.
Mahya ShabaniStudents' Scientific Research Center, Tehran University of Medical Sciences, Tehran, Iran.
Mohammad-Mehdi MehrabinejadDepartment of Radiology, Advanced Diagnostic and Interventional Radiology Research Center (ADIR), Tehran University of Medical Sciences, Tehran, Iran. 2m.mehrabi@gmail.com.
Islamic Azad University Medical Branch of Tehran · IRTehran University of Medical Sciences · IRHamedan University of Medical Sciences · IRNorth Khorasan University of Medical Sciences · IR

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

introductionDiabetic retinopathy (DR) is a medical condition caused by damage to the blood vessels of retina tissue due to diabetes mellitus. DR leads to injury in neural and vascular structures and is reported to be significantly influenced by inflammation and inflammatory mediators like cytokines. In this study, a systematic review and meta-analysis were performed to analyze the association between cytokine gene polymorphisms and DR.

methodsWe identified relevant studies from Scopus, PubMed, and Google scholar databases. Allele and genotype frequencies were pooled. Heterogeneity and publication bias were explored. The odds ratio (OR) and corresponding 95% confidence intervals (CIs) were calculated to estimate the relation.

resultsA total of 3337 cases and 4945 controls in 19 eligible studies were included in the meta-analysis. Overall, results indicated the negative association between the cytokine gene polymorphisms and DR susceptibility in the allelic model (IFN-γ (rs2430561): OR 0.64, [CI]: 0.5 to 0.82; and TGF-β (rs1800471): [OR] = 0.15, [CI]: 0.03 to 0.79); and also, in the dominant model (IFN-γ (rs2430561): OR = 0.4, [CI]: 0.22 to 0.75; and TGF-β (rs1800471): OR = 0.14, [CI]: 0.05 to 0.4).

conclusionThe present study suggests that IFN-γ (rs2430561) and TGF-β (rs1800471) polymorphisms are associated with decreased susceptibility to DR.

Indexed as

Diabetes MellitusDiabetic RetinopathyCytokinesGenetic Predisposition to DiseaseGenotypeHumansPolymorphism, GeneticPolymorphism, Single NucleotideCytokinesAlleleCytokineDiabetesDiabetic retinopathyGenotypePolymorphism

Identifiers

PMID34432176
OpenAlexW3194041555

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.