Cytokine detection by flow cytometry
Jian-Ge Qiu1, Xiao-Long Mei, Zhe-Sheng Chen
1Department of Cell Biology and Institute of Biomedicine, College of Life Science and Technology, Jinan University, Guangzhou, 510632, China.
Insights
Flow cytometry (FCM) is a key method for analyzing intracellular cytokines, crucial for disease treatment. This chapter details a refined FCM protocol, optimizing variables for accurate cytokine detection and biological function analysis.
Area of Science:
- Immunology
- Cell Biology
- Biotechnology
Background:
- Intracellular cytokine analysis is vital for understanding and treating various diseases.
- Flow cytometry (FCM) offers a powerful method for detecting intracellular cytokines via fluorescence-labeled antibodies.
- Standard FCM protocols involve cell collection, fixation, permeabilization, blocking, intracellular staining, and FCM analysis.
Purpose of the Study:
- To present a modified flow cytometry (FCM) method for enhanced intracellular cytokine detection.
- To highlight the impact of critical variables on the accuracy of intracellular cytokine staining.
- To provide insights into analyzing cytokine biological functions using FCM.
Main Methods:
- Utilizes flow cytometry (FCM) for intracellular cytokine detection.
- Employs specific fluorescence-labeled antibodies for cytokine targeting.
- Details a modified assay protocol including cell preparation, fixation, permeabilization, blocking, and staining.
- Focuses on optimizing sample handling, temperature, buffers, data acquisition, and analysis parameters.
Main Results:
- The modified FCM method allows for precise detection of specific intracellular cytokines.
- Optimization of variables such as samples, temperature, buffers, and data analysis enhances assay performance.
- The protocol facilitates the comprehensive analysis of cytokine biological functions.
Conclusions:
- The described modified FCM technique provides a robust and optimized approach for intracellular cytokine analysis.
- Understanding the influence of various parameters is essential for reliable FCM-based cytokine detection.
- This method supports advancements in clinical diagnostics and research on cytokine-mediated biological processes.
Abstract:
Analysis of intracellular cytokines is extremely important in the clinical treatment of numerous diseases. Flow cytometry (FCM) is a highly effective technique that detects intracellular cytokines using specific fluorescence-labeled antibodies. The common steps of this assay include cell collection, fixation, permeabilization, blocking, intracellular staining and analysis by FCM. This technique also allows for analyzing the biological function of cytokines. In this chapter, we describe a modified method to detect the specific intracellular cytokine staining using FCM, with an emphasis on the effects of variables including samples, temperature, buffers, data acquisition, and analysis.
