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Silver nanoparticles synthesized from Quercus brantii ameliorated ethanol-induced gastric ulcers in rats by decreasing oxidative stress and improving antioxidant systems

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Abstract

Gastric ulcers are caused by an imbalance between aggressive and defensive factors. The green synthesis of silver nanoparticles is becoming a new and promising method in the treatment of gastrointestinal ulcers. This study was conducted to investigate the protective and antioxidant effects of silver nanoparticles synthesized from Quercus brantii extract (NSQBE) on gastric damage induced by alcohol in rats. In this study, silver nanoparticles were produced by the green synthesis method using oak extract. The structure and morphology of nanoparticles were confirmed by various techniques such as UV–Vis spectroscopy, fourier transforms infrared spectrometer (FTIR), scanning electron microscope (SEM), transmission electron microscopy (TEM), X-ray diffraction (XRD), energy-dispersive X-ray analysis (EDX), and dynamic light scattering )DLS(. For the animal studies, 30 male Wistar rats weighing 200 ± 20 g were randomly selected and divided into five groups (the normal, ethanolic, NSQBE treatment (received doses of 20 and 5 mg/kg), and standard (received a dose of 50 mg/kg of ranitidine) groups. After the rats were euthanized, their stomach was removed. A part of the stomach tissue of rats was used for histopathological studies, and the other part was used to study biochemical parameters such as the level of reactive oxygen species (ROS), protein carbonyl oxidation (PCO), malondialdehyde (MDA), catalase (CAT), superoxide dismutase (SOD) and reduced glutathione (GSH) as well as nitric oxide (NO). Our results showed that in the ethanol group, the levels of ROS, MDA, PCO, and serum NO were higher than in the normal group. In addition, reduced GSH, CAT, SOD, tissue NO, gastric mucus, and antioxidant potential were decreased. In rats pretreated with NSQBE and ranitidine, the levels of ROS, MDA, PCO, and serum NO decreased, and the levels of GSH, CAT, SOD, tissue NO, gastric mucus, and antioxidant potential were increased in comparison to the ethanol group. The results of this study showed that silver nanoparticles synthesized using Quercus brantii are a promising approach for the treatment of gastric ulcers.

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This study’s data are included in the article, and the corresponding author can provide the primary data.

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Funding

This study was supported by a grant from the Faculty of Basic Sciences, Lorestan University. The founding sponsor had no role in the study design, performance, data collection, and analysis, decision to publish, or preparation/writing of the manuscript.

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SB: participates in the design and interpretation of the studies and the review of the manuscript. SS: conducted the experiments and wrote the manuscript, and all images were drawn. OD: participated in the preparation of tissue samples and pathological analysis. All authors’ approval for publication.

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Correspondence to Seifollah Bahramikia.

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The authors have no relevant financial or non-financial interests to disclose.

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All procedures performed in this study involving animals were following the ethical standards and the international regulations of the usage and welfare of laboratory animals and were approved by the clinical ethics committee of the Faculty of Veterinary Medicine of Lorestan University with (Ethical code: LU.ECRA.2021.32).

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Safari, S., Bahramikia, S. & Dezfoulian, O. Silver nanoparticles synthesized from Quercus brantii ameliorated ethanol-induced gastric ulcers in rats by decreasing oxidative stress and improving antioxidant systems. Inflammopharmacol 31, 2615–2630 (2023). https://doi.org/10.1007/s10787-023-01284-z

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  • DOI: https://doi.org/10.1007/s10787-023-01284-z

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