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Published on: August 26, 2018
Cerium and yttrium oxide nanoparticles are neuroprotective
David Schubert1, Richard Dargusch, Joan Raitano
1The Salk Institute, 10010 N. Torrey Pines Rd., La Jolla, CA 92037, USA. schubert@salk.edu
Biochemical and Biophysical Research Communications
|February 17, 2006
Summary
Cerium oxide and yttrium oxide nanoparticles protect nerve cells from oxidative stress. This neuroprotection is independent of particle size and acts as an antioxidant, limiting reactive oxygen species.
Area of Science:
- Nanotechnology
- Neuroscience
- Biochemistry
Background:
- Cellular responses to nanoparticles often focus on toxicity.
- The potential of nanoparticles for cellular protection against stress is under-explored.
Purpose of the Study:
- To investigate the protective effects of cerium oxide and yttrium oxide nanoparticles on nerve cells against oxidative stress.
- To determine if particle size influences the neuroprotective capabilities of these nanoparticles.
Main Methods:
- Exposure of nerve cells to cerium oxide and yttrium oxide nanoparticles.
- Assessment of cell survival under conditions of oxidative stress.
- Evaluation of the role of particle size in observed protective effects.
Main Results:
- Nanoparticles composed of cerium oxide and yttrium oxide demonstrated significant neuroprotection for nerve cells.
- The observed neuroprotection was independent of the size of the nanoparticles.
- These nanoparticles function as direct antioxidants, reducing reactive oxygen species levels.
Conclusions:
- Cerium oxide and yttrium oxide nanoparticles possess antioxidant properties beneficial for nerve cell survival.
- Nanoparticle size does not affect their ability to protect against oxidative stress.
- These nanoparticles represent a potential tool for modulating oxidative stress in biological systems.
