Related Experiment Videos
Multiplex standardized RT-PCR for expression analysis of many genes in small samples
Erin L Crawford1, Kristy A Warner, Sadik A Khuder
1Department of Medicine, Medical College of Ohio, 3055 Arlington Ave., Toledo, OH 43699, USA.
Biochemical and Biophysical Research Communications
|June 11, 2002
Summary
Multiplex Standardized RT-PCR (StaRT-PCR) allows accurate gene expression quantification for many genes simultaneously. This method enables measuring 96 genes using the same cDNA amount as single-gene analysis.
Area of Science:
- Molecular Biology
- Genomics
- Biotechnology
Background:
- Standardized RT-PCR (StaRT-PCR) is crucial for reliable gene expression quantification.
- Inter-laboratory comparisons require robust and standardized methods.
Purpose of the Study:
- To develop and validate a multiplex StaRT-PCR method for simultaneous gene expression analysis.
- To assess the feasibility of measuring multiple genes from limited biological samples.
Main Methods:
- A two-round amplification process was employed for multiplex StaRT-PCR.
- Competitive template (CT) mix and gene-specific primers were used in the first amplification round.
- Second round amplification involved diluted products from round one with specific primers.
Main Results:
- Multiplex StaRT-PCR demonstrated high correlation with uniplex StaRT-PCR (R=0.993, p<0.001).
- Quantification was possible even after 100,000-fold dilution of first-round products.
- 96 genes were measured using the cDNA amount typically used for one gene.
Conclusions:
- Multiplex StaRT-PCR is a highly efficient and accurate method for high-throughput gene expression analysis.
- The technique is suitable for analyzing gene expression in small clinical samples, such as fine needle biopsies.