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Published on: June 14, 2016
Mucin gene expression and mouse middle ear epithelium
Joseph E Kerschner1, Jizhen Li, Katsuyuki Tsushiya
1Division of Pediatric Otolaryngology, Medical College of Wisconsin, Children's Hospital of Wisconsin, 9000 W Wisconsin Avenue, Milwaukee, WI 53226, United States. kersch@mcw.edu
International Journal of Pediatric Otorhinolaryngology
|September 18, 2010
Summary
Cultured mouse middle ear epithelial cells (MMEEC) express many human mucin genes. Differences in mucin gene expression between species highlight the importance of careful model selection for middle ear research.
Area of Science:
- Otolaryngology
- Molecular Biology
- Cell Biology
Background:
- Mucins are crucial glycoproteins in epithelial tissues, playing roles in lubrication, protection, and cell signaling.
- Recent identification of novel human mucin genes necessitates understanding their expression patterns in relevant biological models.
Purpose of the Study:
- To determine the expression profile of recently identified human mucin genes within an in vitro model of cultured mouse middle ear epithelial cells (MMEEC).
Main Methods:
- Establishment of MMEEC cultures.
- RNA extraction and subsequent RT-PCR (Reverse Transcription Polymerase Chain Reaction) analysis.
- Design of primers for 20 specific human mucin genes (MUC1-MUC20).
Main Results:
- Expression of MUC1, MUC2, MUC3, MUC4, MUC5AC, MUC5B, MUC9, MUC10, MUC13, MUC15, MUC16, MUC18, MUC19, and MUC20 was detected in MMEEC.
- MUC6, MUC7, MUC8, MUC11/12, and MUC17 genes were not identified in the MMEEC model.
Conclusions:
- A significant number of human mucin genes are expressed in MMEEC, suggesting potential utility in studying middle ear physiology.
- Observed differences in mucin gene expression compared to human and chinchilla middle ear epithelium underscore the need for careful consideration when using animal models for mucin-related research.
