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Accurate and Simple Measurement of the Pro-inflammatory Cytokine IL-1β using a Whole Blood Stimulation Assay
Published on: March 2, 2011
Simultaneous quantification of proinflammatory cytokines in human plasma using the LabMAP assay
Uma Prabhakar1, Edward Eirikis, Hugh M Davis
1Department of Clinical Pharmacology and Experimental Medicine, GlaxoSmithKline, 1250 South Collegeville Road, Collegeville, PA 19426, USA. PrabhakarU@Centocor.com
Journal of Immunological Methods
|January 17, 2002
Summary
The LabMAP system effectively quantifies pro-inflammatory cytokines in human plasma, offering a validated alternative to traditional methods for early drug development. This technology supports biomarker discovery in clinical studies.
Area of Science:
- Biomedical Science
- Analytical Chemistry
- Pharmacology
Background:
- Pharmaceutical industry increasingly uses surrogate biomarkers in early clinical trials.
- Cytokines are key biomarkers for disease and drug activity, traditionally measured by methods like ELISA.
- Existing methods are often limited to single analytes, require large samples, and are time-consuming.
Purpose of the Study:
- To evaluate the LabMAP (Luminex) system for quantifying pro-inflammatory cytokines in human plasma.
- To compare the performance of single-cytokine and two-cytokine (biplexed) assays using LabMAP technology.
- To validate the LabMAP system's results against established ELISA methods.
Main Methods:
- Quantification of tumor necrosis factor-alpha (TNF-alpha), interleukin-1 beta (IL-1beta), IL-6, and IL-8 in lipopolysaccharide (LPS)-stimulated human plasma.
- Utilized LabMAP technology in both single-cytokine and biplexed panel formats.
- Performed side-by-side comparison with Enzyme-Linked Immunosorbent Assay (ELISA) and detailed validation.
Main Results:
- The LabMAP system successfully quantified multiple pro-inflammatory cytokines in LPS-stimulated human plasma.
- Results obtained using the LabMAP system were comparable to those from ELISA.
- Both single-cytokine and biplexed formats demonstrated reliable performance.
Conclusions:
- The LabMAP system is a feasible and effective technology for measuring cytokine levels in human plasma.
- This optimized technology can support clinical studies by enabling early detection and quantification of biomarkers.
- LabMAP offers a potentially more efficient alternative for biomarker analysis in drug development.
