Evidence map›Paper›PMID 34263060›Full record

ArticleBMJ open ophthalmology2021

Pro-inflammatory cytokine profile is present in the serum of Mexican patients with different stages of diabetic retinopathy secondary to type 2 diabetes.

Jonathan Uriel Quevedo-Martínez, Yonathan Garfias, Joanna Jimenez, Osvaldo Garcia, Diana Venegas, Victor Manuel Bautista de Lucio

Open access · goldAbstract read
In one paragraph

Article in BMJ open ophthalmology, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 27 papers, 5 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
27citing papers in PubMed, 5 pooled it
7.3field-weighted citation impact, top 2% 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

27 citing papers in PubMed, 5 syntheses or guidelines pooled it, 53 citations in OpenAlex.

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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

6 authors at 4 institutions in 4 countries.

Jonathan Uriel Quevedo-MartínezUnidad de Investigación, Instituto de Oftalmologia Fundacion Conde de Valenciana IAP, Mexico City, Mexico.ORCID 0000-0001-7560-8684
Yonathan GarfiasUnidad de Investigación, Instituto de Oftalmologia Fundacion Conde de Valenciana IAP, Mexico City, Mexico.
Joanna JimenezAffective Disorders, Instituto Nacional de Psiquiatria Ramon de la Fuente Muniz Centro de Documentacion e Informacion en Psiquiatria y Salud Mental, Ciudad de Mexico, Mexico.ORCID 0000-0002-3654-9922
Osvaldo GarciaEconometrics and Operation Research, Universidad Autonoma de Tamaulipas, Victoria, Mexico.ORCID 0000-0001-7791-0983
Diana VenegasResearch Unit, Microbiology and Ocular Proteomics Department, Instituto de Oftalmologia Fundacion Conde de Valenciana IAP, Mexico City, Mexico.
Victor Manuel Bautista de LucioResearch Unit, Microbiology and Ocular Proteomics Department, Instituto de Oftalmologia Fundacion Conde de Valenciana IAP, Mexico City, Mexico.
Ocular Proteomics (United States) · USUnidad de Investigación en cuidados y servicios de salud (Investén-isciii) · ESCambridge Econometrics (United Kingdom) · GBInstituto Nacional de Psiquiatría Ramón de la Fuente Muñiz · MX

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

aimIt's been reported that pro-inflammatory cytokines are elevated in patients with diabetic retinopathy (DR); this may contribute to the pathophysiology of the disease. The aim of this study is to measure the concentration of various inflammatory cytokines from the main CD4+ T helper inflammatory responses in blood serum from Mexican patients with DR in different stages using cytometric bead array (CBA) technology and correlate them with the presence and severity of DR in order to find possible DR biomarkers that serve as diagnostic or therapeutic predictors.

methods64 subjects were included in the study, 16 in the control group, 16 in the type 2 diabetes mellitus no DR (NDR) group, 16 in the non-proliferative DR (NPDR) group and 16 in the proliferative DR (PDR) group. Cytokine concentrations of interleukin (IL) 1ß, IL-2, IL-4, IL-6, IL-8, IL-10, IL-12, IL-17A, tumour necrosis factor alpha (TNFα) and interferon-gamma in serum samples were measured using Human Inflammatory and TH1/TH2/TH17 CBA Kit.

resultsIL-6, IL-12, IL-17a and TNFα were significantly higher in the patients with DR compared with the control group. The PDR group showed a slightly lower concentration of serum cytokines IL-6, IL-12 and IL-17a. TNFα showed a higher concentration compared with healthy controls, NDR and NPDR subjects. We also found a positive statistical correlation between the presence and severity of DR with the clinical parameters haemoglobin A1c, body mass index and serum creatinine and the concentration of serum cytokines IL-6 and TNFα.

conclusionOur findings suggest that patients with diabetes and DR have a stronger chronic inflammatory profile compared with non-diabetic subjects.

Indexed as

diagnostic tests/investigationimmunologyinflammationretina

Identifiers

PMID34263060
PMCPMC8246380
OpenAlexW3175954877

What OpenQuestion holds

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LicenceCC BY-NC
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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.