Gene expression profiling in the rhesus macaque: experimental design considerations.
Henryk F Urbanski1, Nigel C Noriega, Dario R Lemos
1Division of Neuroscience, Oregon National Primate Research Center, Beaverton, OR 97006, USA. urbanski@ohsu.edu
Methods (San Diego, Calif.)
|May 27, 2009
Summary
Accurate gene expression profiling in nonhuman primates requires careful experimental design. Factors like time of day, season, and menstrual cycle phase significantly impact gene expression data, necessitating consideration for reliable results.
Area of Science:
- Primate genomics
- Gene expression analysis
Background:
- Species-specific gene microarrays are valuable tools for nonhuman primate gene expression profiling.
- Obtaining accurate and physiologically relevant data necessitates careful consideration of experimental design factors.
Purpose of the Study:
- To highlight key factors in experimental design for gene expression profiling in nonhuman primates.
- To emphasize the importance of biological cycles in interpreting gene expression data.
Main Methods:
- Focus on experimental design principles for gene expression studies.
- Discusses the impact of biological rhythms on gene expression.
Main Results:
- Biological cycles, including daily (24-h) patterns, significantly influence gene expression.
- Time of day for RNA collection impacts the detection of gene expression changes.
- Seasonal variations and menstrual cycle phases affect gene expression in relevant species.
Conclusions:
- Effective experimental design is crucial for accurate gene expression profiling in nonhuman primates.
- Accounting for biological cycles (diurnal, seasonal, reproductive) is essential for physiologically meaningful results.
