Identifying Reference Genes for Gene Expression Studies in Renal Cell Carcinoma
Author Information
Author(s): Monika Jung, Azizbek Ramankulov, Jan Roigas, Manfred Johannsen, Martin Ringsdorf, Glen Kristiansen, Klaus Jung
Primary Institution: Charité – Universitätsmedizin Berlin
Hypothesis
The study aims to identify suitable reference genes for normalizing gene expression in renal cell carcinoma.
Conclusion
The study demonstrated that PPIA and TBP are suitable reference genes for comparing malignant and non-malignant renal cell carcinoma tissue samples.
Supporting Evidence
- All genes except PPIA and TBP showed significant differences in expression between malignant and non-malignant pairs.
- The expression stability of PPIA and TBP was validated using geNorm and NormFinder software.
- RNA integrity was assessed with a mean RNA integrity number of 8.7 for all samples.
Takeaway
Researchers looked for stable genes to help measure other genes in kidney cancer samples, and found two that work well.
Methodology
The study examined 10 candidate reference genes in matched malignant and non-malignant tissue samples using real-time PCR.
Potential Biases
The study included an unbalanced number of male and female participants.
Limitations
The study is limited to clear cell RCC and has a small sample size.
Participant Demographics
25 adult patients (21 male, 4 female) with a mean age of 62 years.
Statistical Information
P-Value
p<0.001
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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