Global cDNA ampli(R)cation combined with real-time RTPCR: accurate quanti(R)cation of multiple human potassium channel genes at the single cell level
2000
Quantitative Analysis of Potassium Channel Genes in Human Tissues
publication
Evidence: high
Author Information
Author(s): A. Al-Taher, A. Bashein, T. Nolan, M. Hollingsworth, G. Brady
Primary Institution: University of Manchester
Hypothesis
Can a new RTPCR method accurately quantify potassium channel mRNA levels in single human cells?
Conclusion
The developed RTPCR method allows for precise quantification of potassium channel gene expression at the single cell level.
Supporting Evidence
- The method can analyze samples as small as a single cell.
- It can detect expression levels as low as one specific cDNA molecule among 108 total cDNAs.
- The approach generates a renewable archive of representative cDNAs for further analysis.
- High levels of potassium channel mRNAs were found in human uterus samples.
Takeaway
Researchers created a new way to measure tiny amounts of genes in single cells, helping us understand how different cells work.
Methodology
The study used a global amplification of cDNA followed by real-time quantitative PCR to measure potassium channel mRNA levels.
Limitations
The method is not intended as a direct alternative to high-density cDNA array hybridization methods.
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