ArticleBiological trace element research2024
Examining the Influence of Zinc Oxide Nanoparticles and Bulk Zinc Oxide on Rat Brain Functions: a Comprehensive Neurobehavioral, Antioxidant, Gene Expression, and Histopathological Investigation.
Article in Biological trace element research, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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Who cites it
11 citing papers in PubMed, 26 citations in OpenAlex.
- 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.Biological trace element research · 2026Article
- Zinc and Copper Metallic Instability: Investigating Altered Metal Functionality in both Human and Animal Studies.Biological trace element research · 2026Review
- The therapeutic potential of zinc-nanoparticles against the cerebellar neurotoxicity induced by bacterial lipopolysaccharides in female rats and their pups.Scientific reports · 2026Article
- Zinc oxide nanoparticles mitigate insulin resistance in a D-galactose-induced C57BL/6 mouse model.Frontiers in endocrinology · 2026Article
- Zinc oxide nanoparticles supplementation improve the quality and lipid profiles of frozen boar semen.Frontiers in veterinary science · 2026Article
- Cardiac, reproductive, and brain toxicity of zinc oxide nanoparticles in male rats: Focus on morphological alterations and oxidative stress markers.Biochemistry and biophysics reports · 2025Article
- Zinc oxide nanoparticles exposure disrupts brain redox-inflammatory-epigenetic axis and impairs PI3K/Akt survival pathway in male offspring.Metabolic brain disease · 2025Article
- Thymol alleviates silica dioxide nanoparticle-induced reproductive performance toxicity via antioxidant and anti-inflammatory mechanisms in male rats.Scientific reports · 2025Article
- 10-Hydroxy Decanoic Acid and Zinc Oxide Nanoparticles Retrieve Nrf2/HO-1 and Caspase-3/Bax/Bcl-2 Signaling in Lead-Induced Testicular Toxicity.Biological trace element research · 2025Article
- New insight into the protective effect of Citrullus colocynthis loaded with ZnONP cream on glutaraldehyde-induced dermatitis in health care workers.Scientific reports · 2025Article
- Neuroprotective Effects of Zinc Oxide Nanoparticles in a Rotenone-Induced Mouse Model of Parkinson's Disease.Nanotheranostics · 2024Article
Corrections and comments
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Authors and funding
6 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The study aimed to assess the impact of zinc oxide nanoparticles (ZnONPs) on rats' neurobehavior compared to bulk zinc oxide (BZnO). Thirty male Sprague-Dawley rats were randomly assigned to five groups. The control group received Tween 80 (10%), while the ZnONP groups were given ZnONPs at 5 and 10 mg/kg body weight dosages, and the bulk zinc oxide (BZnO) groups received BZnO at the same dosages. Behavioral observations, neurobehavioral examinations, and assessments of brain tissue oxidative markers, neurotransmitter levels, and histopathological changes were performed. The results indicated that ZnONP at a dosage of 5 mg/kg improved general behavior, locomotor activity, memory, and recognition and reduced fearfulness in rats. Conversely, the higher dosage of 10 mg/kg and the bulk form had adverse effects on general behavior, locomotor activity, and learning ability, with the bulk form demonstrating the most severe impact-znONP-5 treatment increased antioxidant enzyme levels and decreased inflammatory markers. BZnO-5 exhibited lower oxidative stress markers, although still higher than BZnO-10. Furthermore, ZnONP-5 and BZnO-5 increased neurotransmitter levels compared to higher dosages. ZnONP-5 upregulated the expression of brain-derived neurotrophic factor (BDNF) mRNA, while BZnO-5 showed increased BDNF mRNA expression and decreased expression of genes related to apoptosis and inflammation. In summary, ZnONPs at 5 mg/kg demonstrated positive effects on rat brain function and behavior, while higher dosages and the bulk form had detrimental effects. In conclusion, the studies emphasized the importance of further assessing various doses and forms of zinc oxide on brain health, highlighting the significance of dosage considerations when using nanomaterials.
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