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A systematic quantification of carbonic anhydrase transcripts in the mouse digestive system
Pei-wen Pan1, Alejandra Rodriguez, Seppo Parkkila
1Institute of Medical Technology, University of Tampere and Tampere University Hospital, 33520, Tampere, Finland. peiwen.pan@uta.fi
BMC Molecular Biology
|March 17, 2007
Summary
This study maps the mRNA expression of 13 carbonic anhydrases (CAs) in the mouse digestive system. Certain CAs, like Car1, Car3, and Car13, show high expression, suggesting roles beyond catalysis.
Area of Science:
- Biochemistry
- Molecular Biology
- Physiology
Background:
- Carbonic anhydrases (CAs) are vital enzymes in gastrointestinal processes like acid secretion and metabolic pathways.
- Thirteen enzymatically active CA isozymes exist in mammals.
- Understanding CA distribution is key to their physiological roles.
Purpose of the Study:
- To systematically examine mRNA expression levels of all known CA isozymes.
- To investigate CA expression across eight tissues in the digestive system of mice.
- To correlate expression patterns with potential physiological functions.
Main Methods:
- Quantitative real-time PCR (qPCR) was employed.
- Analysis was performed on eight distinct mouse digestive system tissues.
- Expression levels were assessed in both male and female mice.
Main Results:
- Car5b, Car7, and Car15 were ubiquitously expressed, with Car7 and Car15 showing very low levels.
- Car3, Car12, Car13, and Car14 were found in seven tissues; Car2 and Car4 in six.
- Car1, Car3, and Car13 exhibited notably high expression in specific tissues.
Conclusions:
- A comprehensive mRNA expression profile for 13 CA isozymes in the murine gastrointestinal tract was established.
- The findings enhance understanding of CA isozyme distribution.
- This profile provides insights into the potential physiological roles of CAs in the mouse digestive system.
