Evidence mapPaperPMID 39829127Full record

ArticleBrain and behavior2025

The Role of Inflammation, Oxidative Stress, Neuronal Damage, and Endothelial Dysfunction in the Neuropathology of Cognitive Complications in Diabetes: A Moderation and Mediation Analysis.

Betul Sumbul-Sekerci, Ozge Pasin, Ezgi Balkan, Abdusselam Sekerci

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Article in Brain and behavior, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.

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0cells of the map it votes in
3citing papers in PubMed
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

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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.

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4 · The record

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5 · Who and what money

Authors and funding

4 authors.

Betul Sumbul-SekerciDepartment of Clinical Pharmacy, Faculty of Pharmacy, Bezmialem Vakıf University, Istanbul, Turkey.
Ozge PasinDepartment of Biostatistics, Faculty of Medicine, Bezmialem Vakıf University, Istanbul, Turkey.
Ezgi BalkanDepartment of Medical Biochemistry, Bezmialem Vakif University, Istanbul, Turkey.
Abdusselam SekerciDepartment of Internal Medicine, Faculty of Medicine, Bezmialem Vakif University, Istanbul, Turkey.

Funding

The Scientific and Technological Research Council of Türkiye (TÜBİTAK) 123S094
6 · The paper itself

Abstract

objectiveCognitive impairment is increasingly recognized as a complication of diabetes, yet the underlying pathology remains unclear. This study aims to investigate the roles of inflammation, oxidative stress, endothelial dysfunction, and neuronal damage in the neuropathology underlying diabetes related cognitive impairment.

methodsThis study assessed 183 participants (54 prediabetes, 71 Type 2 diabetes mellitus [T2DM], and 58 controls) for cognitive performance using the Montreal Cognitive Assessment (MoCA). Blood samples were analyzed for interleukin-6 (IL-6), tumor necrosis factor-alpha (TNF-α), malondialdehyde (MDA), VCAM-1/CD106, and neuron-specific enolase (NSE) using ELISA. Mediation and moderator analysis methods were used to examine the roles of these biomarkers in diabetes-related cognitive impairment.

resultsAfter adjusting for age, education, and gender, group comparisons revealed significant cognitive impairment in patients with T2DM, particularly in visuospatial functions, naming, language, and memory performance, compared to the control group. The patients with T2DM and prediabetes exhibited similar performance in cognitive functions, except for language. Significant differences in VCAM-1 and TNF-α levels were observed; however, these biomarkers did not mediate the effect of T2DM and prediabetes on cognitive functions. Nevertheless, VCAM-1 was found to moderate abstraction abilities in T2DM.

conclusionPrediabetes represents a transitional stage not only for the pathology of diabetes but also for cognitive complications. Although there were correlations between cognitive performance and various cognitive scores, IL-6, MDA, NSE, VCAM-1, and TNF-α did not play a mediator role in the neuropathology of diabetes-related cognitive impairment.

Indexed as

Cognitive DysfunctionDiabetes Mellitus, Type 2InflammationOxidative StressAgedBiomarkersFemaleHumansInterleukin-6MaleMalondialdehydeMiddle AgedNeuronsPrediabetic StateTumor Necrosis Factor-alphaVascular Cell Adhesion Molecule-1BiomarkersInterleukin-6MalondialdehydeTumor Necrosis Factor-alphaVascular Cell Adhesion Molecule-1cognitive impairmentdiabetesendothelial dysfunctioninflammationneuronal damageoxidative stress

Identifiers

PMID39829127
PMCPMC11743999

What Socratic 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 Socratic graph.