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Updated: Jan 30, 2026
08:21
Cell-Free Dot Blot as a Practical and Adaptable Immunoassay Platform for the Detection of Antibody Response in Human and Animal Sera
Published on: May 23, 2025
949
Commercial immunoassays for human relaxin-2
1Molecular Medicine Research Institute, 428 Oakmead Pkwy, Sunnyvale, CA, 94085, USA.
Molecular and Cellular Endocrinology
|January 12, 2019
Summary
Assay validation is crucial for reliable serum relaxin measurements. Differences in immunoassay quality raise concerns about data accuracy in clinical research, impacting scientific conclusions.
Area of Science:
- Biochemistry
- Pharmacology
- Clinical Diagnostics
Background:
- Several immunoassays are employed in serelaxin pharmaceutical development and clinical research.
- While commercial assays are available, their validation status for research use is often unclear.
- Regulatory bodies like the FDA and EU have stringent validation requirements for preclinical and clinical studies.
Purpose of the Study:
- To evaluate the impact of immunoassay variability on serum relaxin determination.
- To highlight the critical need for assay validation in published research.
- To discuss the implications of differing assay performance on scientific interpretation.
Main Methods:
- Review of commercially available human relaxin immunoassays.
- Analysis of validation procedures and documentation for research-grade assays.
- Comparison of serum relaxin concentration data from studies using different immunoassays.
Main Results:
- Significant disagreement exists in reported serum relaxin concentrations due to assay variability.
- Lack of comprehensive validation data for many immunoassays used in published studies.
- Commercial availability of assays does not guarantee their suitability or reliability for specific research applications.
Conclusions:
- The reliability of serum relaxin data is questionable without rigorous assay validation.
- Researchers and scientific journals must prioritize the reporting and scrutiny of immunoassay validation.
- Informed assay selection based on quality and validation is essential for accurate scientific findings.
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