Pilot Study on Protein Standards for Biomarker Detection
Author Information
Author(s): Pang Susan, Ahsan Enamul S, Valdivia Hernan J, Minguez Jesus, Foy Carole A
Primary Institution: LGC, Queens Road, Teddington, Middlesex, UK
Hypothesis
Can a generic protein standard panel improve quality control in biomarker detection technologies?
Conclusion
The study shows that a panel of protein standards can serve as a quality control tool for evaluating the reliability of biomarker detection platforms.
Supporting Evidence
- The protein panel was tested in both normal and diseased plasma samples.
- Half of the proteins showed consistent signals independent of matrix effects.
- The study identified proteins that could indicate platform reliability.
Takeaway
Researchers created a set of protein standards to help check if tests for diseases are working properly, like using a ruler to measure things accurately.
Methodology
The study involved preparing a panel of six non-human protein standards and testing their reliability in immunoassays using pooled human plasma.
Potential Biases
Potential cross-reactivity between proteins and non-cognate antibodies may impair detection accuracy.
Limitations
The study is limited by the small sample size and variability in signal outputs across different donor samples.
Participant Demographics
The study involved plasma samples from six normal and six ovarian cancer diseased donors.
Statistical Information
P-Value
0.056
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
Want to read the original?
Access the complete publication on the publisher's website