Expression patterns of Doppel gene in golden hamster: quantification using real-time RT-PCR
1National Animal Transmissible Spongiform Encephalopathy Laboratory, College of Veterinary Medicine, China Agricultural University, Beijing, People's Republic of China.
Molecular and Cellular Probes
|June 21, 2008
Summary
Doppel (prion-like protein, Dpl) mRNA is highly expressed in golden hamster testes. This study quantified Dpl mRNA in various organs, revealing its presence in spleen, heart, bone marrow, and neonatal neocortex, but not in kidney, liver, or lung.
Area of Science:
- Molecular biology
- Oncology
- Genetics
Background:
- Doppel (prion-like protein, Dpl) overexpression is observed in various tumors.
- Quantitative analysis of Dpl expression is crucial for understanding its role in cancer diagnostics and progression.
Purpose of the Study:
- To quantify Doppel (prion-like protein, Dpl) mRNA expression across different golden hamster organs and developmental stages.
- To establish Dpl as a potential molecular marker for tumor diagnosis and grading.
Main Methods:
- Real-time RT-PCR using a LightCycler instrument for calibrated and standardized Dpl mRNA quantification.
- Isolation of total RNA from nine different golden hamster organs (neonatal to adult).
Main Results:
- Highest Dpl mRNA levels were detected in adult golden hamster testes.
- Lower Dpl mRNA levels were found in spleen, heart, bone marrow, skeletal muscles, and neonatal neocortex.
- Dpl mRNA expression was undetectable in kidney, liver, and lung tissues.
Conclusions:
- This study provides the first report of Dpl expression in murine bone marrow.
- Significant differences in Dpl expression levels in testes between neonatal and adult hamsters were observed.
- Dpl mRNA quantification in golden hamsters offers insights into its tissue-specific expression patterns relevant to potential diagnostic applications.
