B Cell Receptor Engagement
B Cell Receptor Engagement - Related Videos
03:01
Evaluation of Immunomodulatory Activity of a Virally Encoded Bispecific T-Cell Engager
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2026
Source: Heidbuechel, J. P., et al. Paramyxoviruses for Tumor-targeted Immunomodulation: Design and Evaluation Ex Vivo. J. Vis. Exp. (2019).This video demonstrates a cell-based assay to evaluate the target-specific immunomodulatory activity of a virally encoded bispecific T-cell engager (BTE). The BTE links tumor cells expressing a target receptor with T cells, triggering tumor lysis and enzyme release. A colorimetric readout, based on substrate conversion, indicates T-cell activation. Higher...
07:23
Using High Content Imaging to Quantify Target Engagement in Adherent Cells
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Cited by 3 •
2018
Measurements of drug target engagement are central to effective drug development and chemical probe validation. Here, we detail a protocol for measuring drug-target engagement using high content imaging in a microplate-compatible adaption of the cellular thermal shift assay (CETSA).
04:24
Studying Cell Rolling Trajectories on Asymmetric Receptor Patterns
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Cited by 3 •
2011
We describe a protocol to observe and analyze cell rolling trajectories on asymmetric receptor-patterned substrates. The resulting data are useful for engineering of receptor-patterned substrates for label-free cell separation and analysis.
10:14
Retroviral Transduction of T-cell Receptors in Mouse T-cells
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Cited by 21 •
2010
We present a protocol to produce antigen-specific mouse T-cells using retroviral...
14:02
Measuring Engagement of Spectators of Social Digital Games
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2021
We propose a methodology that enables measuring engagement of spectators in a social digital game combining physiological and self-reported data. As this digital game involves a group of freely moving people, the experience is filmed using a synchronizing technique that links physiological data with events in the game.
FAQs
The key mechanistic transition is receptor clustering after antigen binding. Bringing membrane-bound immunoglobulin molecules together organizes the receptor complex so that the associated CD79a and CD79b proteins can participate in signal initiation. This spatial change links recognition at the cell surface to intracellular signaling, making clustering an important feature to examine when engineered ligands are used to control B-cell behavior.
CD79a and CD79b provide the signaling connection between antigen recognition and downstream cellular responses. Their immunoreceptor tyrosine-based activation motifs, or ITAMs, become phosphorylated after engagement and recruit downstream signaling molecules. This step matters because it converts receptor occupancy into a biochemical signal that can influence activation, proliferation, differentiation, and antibody production rather than leaving antigen binding as an isolated surface event.
Engineered analyses often distinguish receptor specificity from signaling behavior. A B cell can be examined for which molecular ligand engages its receptor and for the downstream response associated with that engagement. Treating these as separate readouts helps bioengineers characterize receptor performance more completely when developing engineered immune-cell systems or antibody-based therapeutics.
Controlled receptor engagement gives bioengineers a way to test how biomaterials or molecular ligands influence immune-cell behavior. By designing a system around a defined engagement condition, researchers can compare receptor-associated signaling with resulting cellular responses. This approach helps connect material or ligand design to B-cell activation-related outcomes without treating the cellular response as an unexplained endpoint.
Understanding the signaling sequence supports antibody-based therapeutic design because it clarifies how antigen recognition connects to cellular responses. Bioengineers can consider receptor specificity together with signaling consequences when developing or evaluating antibody-centered strategies. The relevant outcome is not simply binding, but downstream regulation of B-cell activation, proliferation, differentiation, or antibody production.
Engineered immune-cell systems can use receptor engagement as a framework for studying how molecular inputs shape B-cell behavior. These systems may be paired with platforms that analyze receptor specificity and signaling, allowing researchers to connect recognition with downstream responses. This context is valuable when evaluating how engineered molecular ligands or material environments influence immune-cell activation and related outcomes.