ZnO Nanoparticles Show Promise in Normalizing Pancreas Function in Diabetic Rats

Strategic Insights -

New research out of Kermanshah, Iran, has discovered that zinc oxide (ZnO) nanoparticles have the potential to normalize pancreas function in diabetic rats. The study found that the nanoparticles, when administered at a low dose of 5 mg/kg, were able to act as an insulin sensitizer, normalizing blood glucose and glucagon-like peptide-1 (GLP-1) levels, as well as apoptosis and oxidative stress pathways in the pancreas. This breakthrough research has significant implications for the treatment of diabetes and highlights the potential of ZnO nanoparticles in addressing pancreatic dysfunction.

Key Takeaways:

  • The study investigated the effects of ZnO nanoparticles on metabolic parameters, oxidative stress, apoptosis, and pathophysiological alterations of the pancreas in diabetic rats.
  • The researchers found that 5 mg/kg of ZnO nanoparticles had a useful effect and was not toxic, making it a potential candidate for further study.
  • The nanoparticles were able to act as an insulin sensitizer, normalizing blood glucose and GLP-1 levels in diabetic rats.
  • Apoptosis and oxidative stress pathways in the pancreas were also normalized by the ZnO nanoparticles.
  • The morphological changes in the pancreas were evaluated using terminal deoxynucleotidyl transferase dUTP nick end labeling (TUNEL) assay, hematoxylin and eosin (H&E), and aldehyde fuchsin.
  • The study showed that a low dose of ZnO nanoparticles protects pancreatic b cells from oxidative stress and apoptosis.
  • The researchers concluded that administration of ZnO nanoparticle also normalized the pathophysiological alteration of the pancreas, thus normalizing metabolic abnormality.

Statistics:

  • The study used Wistar male rats, which were randomly divided into three groups: control rats (C), diabetic rats (D), and diabetic rats received 5 mg/kg NP.
  • The oxidative stress, inflammatory, and apoptosis pathways were evaluated in the pancreas.
  • The study found that ZnO NP acts as an insulin sensitizer and normalizes blood glucose, GLP-1 levels as well as apoptosis, oxidative stress, and inflammatory pathway gene expression in diabetic rats.
  • The researchers also found that ZnO NP alleviates the pathological alterations in the pancreas.

Sources:

  • ZnO Nanoparticles Normalize Pancreas Function via the GLP-1 and Oxidative Stress Pathways in Diabetic Rats. Biological Trace Element Research, 2025.
  • Cyrus Jalili, Medical Biology Research Center, Health Technology Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran.
  • Fatemeh Mirzaei, Iraj Khodadadi, Nashmin Fayazi Hosseini, Nesrine Majdoub, Nima Naseri, Amir Mirzaei, and Ebrahim Abbasi.
  • Springernature, Campus, 4 Crinan St, London, N1 9XW, England.