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Integrative flow cytometric and microarray approaches for use in transcriptional profiling.
David W Galbraith1, Rangasamy Elumalai, Fang Cheng Gong
1Department of Plant Sciences, University of Arizona, Tucson, AZ, USA.
Methods in Molecular Biology (Clifton, N.J.)
|February 21, 2004
Summary
Flow cytometry and cell sorting enable precise cell identification and purification. Combining this with high-throughput transcriptional profiling reveals gene expression
Area of Science:
- Cell Biology
- Genomics
- Biotechnology
Background:
- Flow cytometry and cell sorting are established techniques for isolating specific cell populations.
- High-throughput transcriptional profiling methods offer recent advancements in gene expression analysis.
Purpose of the Study:
- To review methods for analyzing global gene expression in distinct cell types within complex tissues.
- To explore the relationship between gene expression and cell differentiation/maintenance.
Main Methods:
- Utilizes flow cytometry and cell sorting for cell purification.
- Employs high-throughput transcriptional profiling for genome-wide gene expression analysis.
- Details microarray fabrication and usage with 70-mer oligonucleotide arrays.
Main Results:
- Demonstrates the integration of cell sorting and gene expression analysis.
- Provides a framework for understanding cell-type-specific gene expression patterns.
Conclusions:
- The combination of flow cytometry and transcriptional profiling is powerful for dissecting cell biology.
- This approach facilitates the study of gene function in the context of cell development and homeostasis.