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Updated: Aug 8, 2026

Detection and Enrichment of Rare Antigen-specific B Cells for Analysis of Phenotype and Function
Published on: February 16, 2017
Incorporation of cells into an ELISA system enhances antigen-driven lymphokine detection
J T Beech1, T Bainbridge, S J Thompson
1Department of Pathology and Microbiology, Medical School, University of Bristol, UK.
Insights
Developing a sensitive cell-based ELISA (celELISA) improves detection of T-helper 1 (Th1) and T-helper 2 (Th2) cytokines in T-cell responses. This technique enhances measurement of key cytokines like IL-2, IL-4, and IFN-gamma.
Area of Science:
- Immunology
- Cellular Biology
- Biotechnology
Background:
- Measuring Th1/Th2 cytokine levels in T-cell responses is challenging.
- Existing methods lack sufficient sensitivity or quantification capabilities.
Purpose of the Study:
- To develop a highly sensitive cell-based ELISA (celELISA) for detecting murine Th1 and Th2 cytokines.
- To improve the measurement of cytokines during in vitro antigen-driven T-cell responses.
Main Methods:
- Development of a novel cell-based ELISA (celELISA) technique.
- Combining principles of sandwich ELISA and ELISPOT assays for enhanced sensitivity.
- Application in detecting cytokines from murine T-cell responses.
Main Results:
- The celELISA demonstrated high sensitivity for detecting Th1 and Th2 cytokines.
- Significantly improved detection of Interleukin-2 (IL-2) and Interleukin-4 (IL-4).
- Enhanced, though lesser, detection of Interferon-gamma (IFN-gamma).
Conclusions:
- The celELISA is a valuable tool for sensitive cytokine detection in T-cell immunology.
- This method overcomes limitations of conventional assays for Th1/Th2 cytokine measurement.
- Facilitates better understanding of T-cell mediated immune responses.
Abstract:
The ability to measure successfully the levels of Th1 or Th2 cytokines during an in vitro antigen-driven, polyclonal T-cell response has proven to be more difficult than expected. Here we describe the development of a highly sensitive cell-based ELISA (celELISA) technique for the detection of murine Th1 and Th2 cytokines. The celELISA combines the quantification aspects of the conventional sandwich ELISA with the sensitivity of the ELISPOT assay. The celELISA was particularly useful for the improved detection of IL-2, IL-4, and to a lessor extent, IFN-gamma.
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