Ovalbumin-specific Receptors
Ovalbumin-specific Receptors - Related Videos
04:42
An Ex Vivo Technique to Generate Tumor-Specific Chimeric Antigen Receptor T Cells
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2025
This video demonstrates a technique for the ex vivo generation of tumor antigen-specific chimeric antigen receptor (CAR) T cells. Retroviral vectors carrying transgenic RNA are mixed with spleen cells in a medium supplemented with interleukin-2 to promote T-cell survival and proliferation. The mixture is then transferred to a plate coated with recombinant human fibronectin fragments and centrifuged to facilitate the fusion of the virus with the cell, allowing the RNA to integrate into the host...
13:36
Transnuclear Mice with Pre-defined T Cell Receptor Specificities Against Toxoplasma gondii Obtained Via SCNT
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Cited by 10 •
2010
We demonstrate here that epigenetic reprogramming via Somatic Cell Nuclear Transfer (SCNT) can be used as a tool to generate mouse models with pre-defined T cell receptor (TCR) specificities. These transnuclear mice express the corresponding TCR from their endogenous locus under the control of the endogenous promoter.
08:48
Generating De Novo Antigen-specific Human T Cell Receptors by Retroviral Transduction of Centric Hemichain
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Cited by 3 •
2016
Herein we describe a novel method to generate antigen-specific T cell receptors (TCRs) by pairing the TCRα or TCRβ of an existing TCR, possessing the antigen-specificity of interest, with complementary hemichain of the peripheral T cell receptor repertoire. The de novo generated TCRs retain antigen-specificity with varying affinity.
12:03
Receptor Autoradiography Protocol for the Localized Visualization of Angiotensin II Receptors
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Cited by 14 •
2016
Here we present a protocol to describe the localization of angiotensin II Type 1 receptors in the rat brain by quantitative, densitometric, in vitro receptor autoradiography using an iodine-125 labeled analog of angiotensin II.
09:49
Combined Optogenetic and Freeze-fracture Replica Immunolabeling to Examine Input-specific Arrangement of Glutamate Receptors in the Mouse Amygdala
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Cited by 6 •
2016
This article illustrates how the expression of neurotransmitter receptors can be quantified and the pattern analyzed at synapses with identified pre and postsynaptic elements using a combination of viral transduction of optogenetic tools and the freeze-fracture replica immunolabeling technique.
FAQs
Activation depends on whether the receptor binds the displayed ovalbumin peptide–MHC complex sufficiently to initiate intracellular signaling. This recognition step links antigen presentation with downstream immune behavior, including T-cell activation and clonal expansion. Experimental systems can therefore examine how changes in antigen recognition affect the strength or presence of an antigen-specific response.
Antigen-presenting cells process ovalbumin into peptide fragments and display those fragments on major histocompatibility complex molecules. Receptors do not respond simply to intact protein in this model; they recognize the resulting peptide–MHC complexes. This cellular processing step makes antigen presentation a central variable when investigating how immune cells detect and respond to ovalbumin-derived antigens.
The same defined antigen-recognition system can be used to examine either productive immune responses or immune tolerance. Productive recognition may support signaling and clonal expansion, whereas experimental conditions that regulate the response can be used to study reduced or restrained reactivity. This contrast helps investigators analyze mechanisms controlling antigen-specific immunity rather than measuring nonspecific inflammation alone.
A typical study presents ovalbumin-derived antigen to antigen-presenting cells, allows peptide processing and display on major histocompatibility complex molecules, and then evaluates receptor-dependent T-cell signaling or expansion. Investigators can compare the resulting response under defined experimental conditions. The sequence connects antigen handling to receptor recognition and provides a framework for interpreting antigen-specific immune outcomes.
They are useful when researchers need a controlled system for examining antigen-specific T-cell activation, clonal expansion, tolerance, or inflammatory responses. Because the antigen source and recognized peptide can be defined, the model helps separate receptor-driven effects from broader immune activity. It is consequently valuable for testing mechanisms that regulate responses to a known antigen.
In infection research, these models provide a controlled way to evaluate antigen presentation, vaccine adjuvants, and immunotherapies. They can also help examine how regulatory mechanisms influence host-defense responses without relying only on an uncontrolled antigen mixture. By tracking recognition of ovalbumin-derived peptides, investigators can assess how an intervention changes antigen-specific signaling, expansion, tolerance, or inflammation.