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Updated: Jun 18, 2026

Visualizing the Actin and Microtubule Cytoskeletons at the B-cell Immune Synapse Using Stimulated Emission Depletion (STED) Microscopy
Published on: April 9, 2018
Molecular and cellular dynamics at the early stages of antigen encounter: the B-cell immunological synapse
1Department of Immunology and Oncology, National Centre of Biotechnology/CSIC, UAM-Campus de Cantoblanco, Madrid, E-28049, Spain. ycarrasco@cnb.csic.es
Insights
Sophisticated technologies reveal molecular details of B-cell antigen recognition and in vivo encounters. This review highlights recent advances in understanding the early humoral immune response at molecular and cellular levels.
Area of Science:
- Immunology
- Cell Biology
Background:
- The early stages of the B-cell immune response are crucial for adaptive immunity.
- Understanding B-cell-antigen interactions is key to deciphering humoral immunity.
Purpose of the Study:
- To review recent technological advancements in studying the initial B-cell immune response.
- To summarize molecular and cellular insights into early humoral immunity.
Main Methods:
- Real-time confocal microscopy
- Total internal reflection fluorescence (TIRF) microscopy
- In vitro models
- In vivo antigen tracking with multiphoton microscopy
Main Results:
- Revealed molecular details of B-cell antigen recognition.
- Provided insights into the timing, location, and mechanisms of B-cell-antigen encounters in vivo.
- Highlighted the impact of advanced imaging techniques on B-cell research.
Conclusions:
- Technological innovations have revolutionized the study of early B-cell responses.
- Current research provides a detailed molecular and cellular understanding of the initial humoral immune response.
Abstract:
The recent development and application of sophisticated technology in the study of the initial stages of the B-cell immune response has lead to a tremendous revolution in the field. The use of real-time confocal microscopy, total interference reflection fluorescence (TIRF) microscopy and in vitro models has revealed the molecular details of the antigen recognition process by B cells. Moreover, experimental models that allow tracking of antigen in vivo in concert with multiphoton microscopy have provided critical information as to the how, where, and when naïve B cells encounter antigen in vivo. This review focuses on the latest data regarding the early phase of the humoral immune response at molecular and cellular levels.
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