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Updated: May 30, 2025
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Whole Mount Dissection and Immunofluorescence of the Adult Mouse Cochlea
Published on: January 1, 2016
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Cochlear Organ Dissection, Immunostaining, and Confocal Imaging in Mice
Chenyu Chen1,2, Binjun Chen1,2, Xiaoqing Qian3
1ENT Institute and Department of Otorhinolaryngology, Eye & ENT Hospital, Fudan University, Shanghai, China.
Bio-Protocol
|January 28, 2025
Summary
This study details a microdissection protocol for the organ of Corti, crucial for hearing. The method enables detailed analysis of hair cell structures, aiding in understanding hearing loss mechanisms.
Area of Science:
- Inner ear biology
- Auditory neuroscience
- Cell biology
Background:
- The organ of Corti in the inner ear is vital for hearing.
- Hair cells within this organ possess complex structures like stereocilia and kinocilia.
- Damage to these delicate structures can cause hearing impairment.
Purpose of the Study:
- To present a protocol for microdissecting the organ of Corti.
- To enable subsequent immunostaining and confocal imaging of hair cell components.
- To facilitate the study of hair cell physiology and molecular mechanisms of hearing.
Main Methods:
- Microdissection of the mouse cochlea.
- Immunostaining of endogenous proteins and fluorescent proteins.
- Confocal imaging for detailed structural analysis.
- Quantitative and qualitative assessment of hair cell cilia.
Main Results:
- A reliable protocol for preparing the organ of Corti for imaging.
- Successful evaluation of planar-cell-polarity proteins in mouse cochlea.
- Detailed analysis of hair cell cilia dimensions and morphology.
Conclusions:
- This protocol provides a method to study hair cell structure and function.
- It aids in understanding the molecular basis of normal hearing.
- The technique is valuable for investigating causes of hearing loss.
