Immune Response Assessment
Immune Response Assessment - Related Videos
06:32
Assessing Respiratory Immune Responses to Haemophilus Influenzae
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Cited by 1 •
2021
Haemophilus influenzae induces inflammation in the respiratory tract. This article will focus on the use of flow cytometry and confocal microscopy to define immune responses by phagocytes and lymphocytes in response to this bacterium.
01:36
Humoral Immune Responses
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2019
Overview The humoral immune response, also known as the antibody-mediated immune response, targets pathogens circulating in “humors,” or extracellular fluids, such as blood and lymph. Antibodies target invading pathogens for destruction via multiple defense mechanisms, including neutralization, opsonization, and activation of the complement system. Patients that are impaired in the production of antibodies suffer from severe and frequent infections by common pathogens and unusual pathogens. B...
07:33
Bioluminescence Imaging for Assessment of Immune Responses Following Implantation of Engineered Heart Tissue (EHT)
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Cited by 4 •
2011
This video demonstrates the use of in vivo bioluminescence imaging to study immune responses after implantation of Engineered Heart Tissue (EHT) in rats.
02:49
A Technique to Assess the Immune Response against an Antigen by Inducing Skin Inflammation
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2025
This video demonstrates an in vivo technique to assess a test antigen by inducing skin inflammation in a murine model. The test antigen—a hapten in an oil/acetone solution—is topically applied to the skin of the mouse ear, and inflammation of the skin is assessed after an adequate period.
12:47
Using RNA-interference to Investigate the Innate Immune Response in Mouse Macrophages
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Cited by 8 •
2014
In this protocol, we describe methods to efficiently transfect murine macrophage cell lines with siRNAs using the Amaxa Nucleofector 96-well Shuttle System, stimulate the macrophages with lipopolysaccharide, and monitor the effects on inflammatory cytokine production.
FAQs
The measured pattern across immune indicators helps distinguish whether a stimulus activates, suppresses, or regulates immune activity. Elevated or altered cytokines and antibodies can be interpreted alongside changes in immune-cell phenotype, activation, proliferation, or cytotoxicity. Considering these measurements together is more informative than relying on one indicator, particularly when evaluating biological compatibility and inflammation.
Cytokine and antibody assays provide molecular evidence of immune signaling, while immune-cell analyses show changes in cell characteristics and behavior. Phenotype describes the cell state, whereas activation, proliferation, and cytotoxicity indicate functional responses. Combining these categories allows researchers to relate immune signals to cellular effects and better characterize host responses to engineered systems.
Defined experimental conditions make comparisons between immune responses more meaningful by controlling how cells, tissues, or organisms encounter a stimulus. This is especially important for distinguishing material-related effects from variation introduced by the test setting. Consistent conditions support clearer interpretation of compatibility, inflammation, and immune regulation during bioengineering studies.
A workflow can combine assays that quantify cytokines and antibodies with analyses of immune-cell phenotype, activation, proliferation, and cytotoxicity. The selected measurements should reflect both signaling and functional changes caused by the tested stimulus. Using complementary readouts gives a broader picture of immune behavior than any single assay and supports evaluation under defined conditions.
Researchers apply immune response measurements when evaluating biomaterials, implants, tissue-engineered constructs, and drug-delivery systems. The results indicate whether these technologies trigger, suppress, or regulate immune activity and whether they are associated with inflammation. This information supports comparisons among designs and helps identify immune complications that could affect the intended biological function.
In bioengineering, the findings reveal aspects of host-material interaction that may influence the safety and function of a medical technology. Evidence from cytokines, antibodies, and immune-cell behavior can guide efforts to reduce harmful inflammation or achieve a desired immune effect. The assessment therefore connects biological testing with the design of safer implants, constructs, and delivery systems.