Evidence map›Paper›PMID 33209014›Full record

ArticleMolecular vision2020

Inflammation and diabetic retinopathy.

Nil Irem Ucgun, Cenk Zeki-Fikret, Zuhal Yildirim

Open access · greenAbstract read
PubMed Full text at PMC
In one paragraph

Article in Molecular vision, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 31 papers.

0numbers the graph read from it
0cells of the map it votes in
31citing papers in PubMed
4.1field-weighted citation impact, top 5% 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

31 citing papers in PubMed, 41 citations in OpenAlex.

  1. Bibliometric analysis and visualization of inflammation in the field of diabetic retinopathy research (2006-2025).Graefe's archive for clinical and experimental ophthalmology = Albrecht von Graefes Archiv fur klinische und experimentelle Ophthalmologie · 2026
    Article
  2. Interferon-mediated regulation of the neurovascular unit in diabetic retinopathy.Inflammation research : official journal of the European Histamine Research Society ... [et al.] · 2026
    Review
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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

3 authors at 2 institutions in 1 country.

Nil Irem UcgunAnkara City Hospital, Associate Professor Doctor of Ophtalmology, Ankara, Turkey.
Cenk Zeki-FikretAnkara City Hospital, MD, Ophthalmologist, Ankara, Turkey.
Zuhal YildirimAnkara Public Health Laboratory, Associate Professor of Biochemistry, Ankara, Turkey.
Memorial Ankara Hospital · TRAnkara University · TR

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Purpose: To investigate the relationship between inflammation in the vitreous and diabetic retinopathy. Methods: Vitreous samples from 21 patients with proliferative diabetic retinopathy (PDR), 21 patients with nonproliferative diabetic retinopathy (NPDR), and 21 nondiabetic patients with idiopathic epiretinal membranes (control) were studied. The interferon-gamma (IFN-γ), tumor necrosis factor-alpha (TNF-α), matrix metalloproteinase (MMP)-2, MMP-9, and adiponectin levels in the vitreous were detected in all samples with enzyme-linked immunosorbent assay (ELISA). Samples were stored at -80 °C until analyzed. Results: The TNF-α levels in the vitreous were not statistically significant between all groups (p>0.005). The mean IFN-γ levels were statistically significantly higher in patients with PDR (70.98 pg/ml) and patients with NPDR (46.61 pg/ml) than in nondiabetic patients (22.02 pg/ml). There was a difference in the IFN-γ levels in the vitreous between patients with PDR and patients with NPDR (p<0.005). The MMP-2 and MMP-9 concentrations in the vitreous were not different between all groups (p>0.05). There was a correlation between the IFN-γ and TNF-α levels. We investigated the statistically significantly decreased levels of adiponectin in the proliferative (p<0.05) and nonproliferative (p<0.05) diabetic eyes compared to the nondiabetic eyes. Conclusions: Increased levels of IFN-γ and TNF-α in the vitreous were found in patients with diabetes compared to nondiabetic patients. Decreased levels of adiponectin in the vitreous were found in patients with diabetes compared to nondiabetic patients. The data support the hypothesis that inflammation is associated with diabetic retinopathy.

Indexed as

AdiponectinDiabetic RetinopathyFemaleHumansInflammationInterferon-gammaMaleMatrix Metalloproteinase 2Matrix Metalloproteinase 9Middle AgedTumor Necrosis Factor-alphaVitreous BodyAdiponectinInterferon-gammaMatrix Metalloproteinase 2Matrix Metalloproteinase 9Tumor Necrosis Factor-alpha

Identifiers

PMID33209014
PMCPMC7655973
OpenAlexW3102407653

What OpenQuestion holds

Textmetadata
LicenceCC BY-NC-ND
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.