Dissection of the Endolymphatic Sac from Mice

作者： Keiji Honda*1,2, Hyun Jae Lee*1, Andrew J. Griffith1,3, Isabelle Roux1 1Otolaryngology Branch,National Institute on Deafness and Other Communication Disorders, National Institutes of Health, 2Department of Otorhinolaryngology,Tokyo Medical and Dental University, 3Department of Otolaryngology,College of Medicine, University of Tennessee Health Science Center

简介：

Overview

This study investigates the dissection of the endolymphatic sac from the inner ear of mice at various developmental stages. A fluorescent reporter transgenic mouse model is introduced to enhance visualization, particularly in the context of investigating endolymphatic sac pathology.

Key Study Components

Research Area

• Developmental biology
• Molecular biology
• Cell biology

Background

• The endolymphatic sac is critical for normal inner ear development.
• Dissection of the sac is challenging due to its delicate structure and location.
• Proper technique is essential for studying disorders associated with endolymphatic sac dysfunction.

Methods Used

• Detailed dissection approach for isolating the endolymphatic sac
• Use of mouse models, including Slc26a4-null and transgenic mice
• Techniques such as immunohistochemistry and microscopy for observation

Main Results

• Successfully detailed the dissection procedure for the endolymphatic sac.
• Demonstrated visualization of the endolymphatic sac using a fluorescent reporter.
• Exhibited cellular localization of SLC26A4 in the endolymphatic sac epithelium.

Conclusions

• This study provides valuable techniques for dissecting and analyzing the endolymphatic sac.
• The findings aid in understanding the cellular mechanisms underlying ear development and associated disorders.

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