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Updated: Jun 9, 2026
09:51
Cochlear Surface Preparation in the Adult Mouse
Published on: November 6, 2019
Oxidative stress in the cochlea: an update.
A L Poirrier1, J Pincemail, P Van Den Ackerveken
1Department of Otolaryngology, University Hospital of Liège, Liège, Belgium.
Current Medicinal Chemistry
|August 27, 2010
Summary
Reactive oxygen and nitrogen species (ROS/RNS) are key in inner ear cell survival and ototoxicity. Targeting these molecules offers potential for developing new otoprotective therapies.
Area of Science:
- Oto-neuroscience
- Biochemistry
- Cell Biology
Background:
- Reactive oxygen species (ROS) and reactive nitrogen species (RNS) play a critical role in cellular signaling and stress responses within the inner ear.
- Ototoxicity, damage to the auditory system, is significantly influenced by the imbalance of ROS/RNS, impacting hair cell and spiral ganglion neuron survival.
Purpose of the Study:
- To elucidate the function and mechanisms of ROS/RNS in the molecular and biochemical pathways regulating the survival of auditory hair cells and spiral ganglion neurons.
- To explore the therapeutic potential of targeting ROS/RNS in the context of ototoxicity.
Main Methods:
- Review of existing literature on ROS/RNS characteristics and their involvement in ototoxic cascades.
- Analysis of oxidative processes and their impact on inner ear cell viability.
- Identification of potential therapeutic targets within ROS/RNS pathways.
Main Results:
- ROS/RNS are pivotal in the molecular regulation of hair cell and spiral ganglion neuron survival.
- Oxidative stress mediated by ROS/RNS is a central mechanism in ototoxic processes.
- Numerous compounds modulating ROS/RNS activity or targets are emerging.
Conclusions:
- Understanding ROS/RNS is crucial for comprehending ototoxicity.
- Targeting ROS/RNS pathways presents a promising strategy for developing novel otoprotective treatments.
- Further research into ROS/RNS modulators could lead to effective therapies for hearing loss and related disorders.
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