Identification and characterization of mouse type II platelet-derived growth factor receptor alpha transcript
Yusuke Minato1, Yoshiaki Nihei, Yuki Kodama
1Department of Biosciences and Informatics, Faculty of Science and Technology, Keio University, Yokohama 223-8522, Japan.
Bioscience, Biotechnology, and Biochemistry
|March 8, 2008
Summary
Researchers discovered a new mouse platelet-derived growth factor (PDGF) receptor alpha mRNA (type II) regulated by E2F-1. This embryo-predominant transcript has a unique sequence and expression pattern compared to type I.
Area of Science:
- Molecular Biology
- Genetics
- Developmental Biology
Background:
- A novel human platelet-derived growth factor (PDGF) receptor alpha mRNA (type II) was previously identified.
- This type II transcript differs from the known type I transcript in its 5'-untranslated region and is regulated by E2F-1.
Purpose of the Study:
- To determine the nucleotide sequence of the mouse type II PDGF receptor alpha mRNA.
- To investigate the regulatory mechanisms of type II PDGF receptor alpha mRNA expression in mice.
- To characterize the expression pattern of the type II PDGF receptor alpha mRNA.
Main Methods:
- Nucleotide sequencing of mouse type II PDGF receptor alpha mRNA.
- Analysis of E2F-1-responsive elements in the promoter region.
- Embryo expression analysis using molecular techniques.
Main Results:
- The nucleotide sequence of the mouse type II PDGF receptor alpha mRNA was determined.
- Expression of the mouse type II transcript is regulated by E2F-1 via a specific responsive sequence (+711/+718).
- The type II transcript exhibits predominant expression in embryos.
Conclusions:
- The mouse type II PDGF receptor alpha mRNA shares regulatory mechanisms with its human counterpart.
- E2F-1 plays a crucial role in regulating the expression of type II PDGF receptor alpha mRNA.
- The embryo-predominant expression suggests a role in embryonic development.


