T-cell Receptor Mimic
T-cell Receptor Mimic - Related Videos
10:35
Production and Testing of Antimicrobial Peptides and Their Mimics
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2026
This protocol describes a method for producing and evaluating the antimicrobial activity and cytotoxicity of the cationic peptide Mel4 and peptide mimic RK758. By integrating chemical synthesis, recombinant expression, and standardized functional assays, it provides a streamlined workflow for the production and testing of peptides and small-molecule mimics.
10:28
The Encapsulation of Cell-free Transcription and Translation Machinery in Vesicles for the Construction of Cellular Mimics
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Cited by 12 •
2013
Herein we describe simple methods for the preparation of vesicles, the encapsulation of transcription and translation machinery, and the monitoring of protein production. The resulting cell-free systems can be used as a starting point from which to build increasingly complex cellular mimics.
03:42
Evaluating Virus Spread Inhibition Through microRNA Mimic-Mediated Genome Silencing
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2026
Source: Ruiz, A. J. and Russell, S. J. MicroRNA-based Regulation of Picornavirus Tropism. J. Vis. Exp. (2017)This video demonstrates the use of synthetic microRNA mimics to inhibit viral replication in cultured epithelial-like cells selectively. It highlights how microRNA-directed genome silencing can block virus spread and confirm targeting specificity through downstream infectivity analysis.
02:53
Blood-Brain Barrier Mimic Permeability Assay: An In Vitro Assay to Assess the Permeability of BBB Mimic to Tracer Molecules
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2023
This video describes a permeability assay to evaluate the permeability of in vitro blood-brain barrier using sodium fluorescein molecules.
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.
FAQs
Recognition depends on the combined peptide-MHC surface rather than on the peptide alone. The mimic is selected or engineered to bind that particular molecular display, allowing it to distinguish a disease-associated antigen when it is presented on a cell. This molecular focus makes the approach useful for studying which intracellular proteins become visible to immune surveillance.
MHC molecules provide the cell-surface context that exposes peptide fragments derived from intracellular proteins. A T-cell receptor mimic therefore links an internal protein target to an observable surface structure: it can bind when the relevant peptide is displayed by the appropriate MHC molecule. This relationship is central to analyzing antigen presentation in infected or abnormal cells.
Unlike a complete T cell, the mimic supplies targeted recognition without the rest of the cellular machinery. That separation lets investigators examine peptide-MHC recognition as an individual molecular interaction, rather than measuring the combined behavior of a whole immune cell. It also supports designs in which binding is used to guide a diagnostic or therapeutic response.
The relevant signal is not simply the presence of a protein inside a cell; it is the appearance of its peptide fragment in the correct MHC context. This requirement makes T-cell receptor mimics valuable for assessing antigen presentation and examining pathogen surveillance. It also gives researchers a way to investigate immune evasion when infected cells fail to display expected targets.
A study can begin by selecting a disease-associated peptide presented by an MHC molecule and obtaining or engineering a binding molecule directed at that peptide-MHC complex. Researchers can then use the mimic to investigate whether the target is displayed and how presentation relates to infection or abnormality. The specific workflow depends on the research question.
T-cell receptor mimics can serve as molecular recognition components in targeted diagnostics and therapeutics. In diagnostic development, their binding specificity can help identify cells displaying a disease-associated peptide-MHC complex. In therapeutic development, the same targeting principle can direct attention toward infected or abnormal cells. These applications extend antigen recognition beyond experiments involving intact T cells.
In infection research, these molecules connect pathogen-associated peptide display with immune surveillance. By examining recognition of a peptide-MHC target, investigators can study whether infected cells present an antigen and consider how pathogens may avoid that visibility. The mimic therefore provides a focused tool for studying antigen presentation and immune evasion without requiring a complete T cell.