Evidence map›Paper›PMID 42068518›Full record

ArticleBiological trace element research2026

Ameliorative Effect of Green Bimetallic Zinc Oxide-Magnesium Oxide Nanoparticles Against Gastric Ulcer in Rats via Modulation of Oxidative Stress, Inflammatory Cascades, Nrf2/NF-κB Signaling, Angiogenic VEGF Expression.

Amany Ebrahim Nofal, Gharieb S El-Sayyad, Abdullah A Saber, Omyma Ibraheem Zedan

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Article in Biological trace element research, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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1 · What the graph read from it

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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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3 · Its place in the literature

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4 · The record

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5 · Who and what money

Authors and funding

4 authors.

Amany Ebrahim NofalZoology Department, Faculty of Science, Menoufia University, Menoufia, Egypt.
Gharieb S El-SayyadDepartment of Biology, College of Science, Imam Mohammad Ibn Saud Islamic University (IMSIU), Riyadh, 11623, Saudi Arabia. gelsayyd@imamu.edu.sa.ORCID http://orcid.org/0000-0001-5410-7936
Abdullah A SaberDepartment of Biology, College of Science, Imam Mohammad Ibn Saud Islamic University (IMSIU), Riyadh, 11623, Saudi Arabia.
Omyma Ibraheem ZedanDepartment of Anatomy and Embryology, Faculty of Medicine, Menoufia University, Menoufia, Egypt.

Funding

Deanship of Scientific Research at Imam Mohammad Ibn Saud Islamic University (IMSIU) IMSIU-DDRSP2601
6 · The paper itself

Abstract

Gastric ulcers are a highly prevalent gastrointestinal disorder, impacting a significant portion of the global population, and have serious complications, such as bleeding, perforation, and malignant transformation. The ethanol-induced gastric ulcer model provides a distinct advantage because it faithfully mimics clinical features seen in acute peptic ulcer disease. This study aimed to evaluate the effect of bimetallic zinc oxide-magnesium oxide nanoparticles (ZnO-MgO NPs) on ethanol-induced gastric ulcer in albino rats. Different monometallic and bimetallic NPs have been completely characterized and synthesized by an eco-friendly and cost-effective method utilizing Gum Arabic as a strong reducing agent. Fifty rats were divided into five groups: control, ethanol-induced gastric ulcer, ulcerated rats treated daily for 14 days with ZnO NPs, MgO NPs, or bimetallic ZnO-MgO NPs. Rat's stomachs underwent biochemical estimation for catalase (CAT), superoxide dismutase (SOD), Malondialdehyde (MDA), Nuclear factor erythroid 2-related factor 2 (Nrf2), Nuclear factor kappa b (NF-κB), and Tumor necrosis factor alpha (TNF-α), as well as, histological, immunohistochemical (including Vascular endothelial growth factor, VEGF, and Inducible nitric oxide synthase, iNOS), and Scanning electron microscopic examinations. The synthesized monometallic and bimetallic NPs had a semi-spherical shape, with an average diameter of 40.44 ± 1.3 nm (for ZnO NPs), 35.56 ± 1.2 nm (for MgO NPs) and 48.46 ± 1.5 nm (for ZnO-MgO NPs). In alcohol-induced gastric ulcer group, ulceration with a significant increase in histopathological changes was noticed in the form of ulceration, inflammatory infiltrations, activated mast cells, edema, and hemorrhage. Decrease activities of CAT, SOD, and Nrf2, as well as an increase in MDA, TNF-α, and NF-κB, with upregulation of iNOS, and downregulation of VEGF, which were improved partially by treatment of either ZnO NPs or MgO NPs. ZnO-MgO NPs restored the normal histological picture of the rat's stomach. Bimetallic ZnO-MgO NPs have a more powerful curative effect than each one of ZnO NPs or MgO NPs; separately, which can be explained by the synergetic effect of them leading to more potent antioxidant and anti-inflammatory effects.

Indexed as

Magnesium OxideNanoparticlesNF-E2-Related Factor 2NF-kappa BOxidative StressStomach UlcerVascular Endothelial Growth Factor AZinc OxideAnimalsInflammationMaleRatsRats, WistarSignal TransductionMagnesium OxideNfe2l2 protein, ratNF-E2-Related Factor 2NF-kappa BVascular Endothelial Growth Factor Avascular endothelial growth factor A, ratZinc OxideBimetallic ZnO-MgO NPsGastric UlceriNOSNF-κBSEMTNF-αVEGF

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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.