The Effect of Nano-Titanium Dioxide on Limb Bud Development of NMRI Mouse Embryo In Vivo
Journal Title: Cell Journal(Yakhteh) - Year 2015, Vol 17, Issue 2
Abstract
Objective: There is a wide application of titanium dioxide (TiO2) nanoparticles (NPs) in industry. These particles are used in various products, and they also has biological effects on cells and organs through direct contact. Materials and Methods: In this experimental research, the effect of TiO2 on chondrogenesis of forelimb buds of mice embryos was assessed in in vivo condition. Concentrations of 30, 150 and 500 mg/kg body weight (BW) TiO2 NPs (20 nm size) dissolved in distilled water were injected intraperitoneally to Naval Medical Research Institute (NMRI) mice on day 11.5 of gestation. On day 15, limb buds were amputated from the embryos and skeletogeneis of limb buds were studied. Results: TiO2 NPs caused the significant changes in chondrocytes in the following developmental stages: resting, proliferating, hypertrophy, degenerating, perichondrium and mesenchymal cells. Decreased number of mesenchymal cells and increased level of chondrocytes were observed after the injection of different concentrations of TiO2, which proves the unpredictable effects of TiO2 on limb buds. Conclusion: Results of the present study showed TiO2 NPs accelerated the chondrogenesis of limb buds, but further studies are recommended to predict TiO2 toxicity effects on organogenesis.
Authors and Affiliations
Kazem Parivar, Nasim Hayati Rudbari, Ramazan Khanbabaee, Mahya Khaleghi
Keywords
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- EP ID EP591586
- DOI 10.22074/cellj.2015.3734
- Views 157
- Downloads 0
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