Mucosal Immune Response
Mucosal Immune Response - Related Videos
02:55
Quantification of Immune Mediator Levels in Human Mucosal Lining Fluid
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2025
This video demonstrates the quantification of immune mediator levels in neonatal human nasal mucosal lining fluid extract. An electrochemiluminescence-based multiplex assay system measures these mediators by evaluating the intensity of emitted light when they are excited.
08:48
Immunocompetent Intestine-on-Chip Model for Analyzing Gut Mucosal Immune Responses
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Cited by 3 •
2024
Our detailed protocol outlines the creation and use of the advanced intestine-on-chip model, which simulates human intestinal mucosa with 3D structures and various cell types, enabling in-depth analysis of immune responses and cellular functions in response to microbial colonization.
10:30
Immunocompetent Alveolus-on-Chip Model for Studying Alveolar Mucosal Immune Responses
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Cited by 3 •
2024
Lung-on-chip models surpass traditional 2D cultures by mimicking the air-liquid interface and endothelial cell perfusion, simulating blood flow and nutrient exchange crucial for lung physiology studies. This enhances lung research relevance, offering a dynamic, physiologically accurate environment to advance the understanding and treatment of respiratory infections.
05:31
Noninvasive Sampling of Mucosal Lining Fluid for the Quantification of In Vivo Upper Airway Immune-mediator Levels
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Cited by 4 •
2017
This protocol describes a noninvasive technique for the sampling of undisturbed mucosal lining fluid from the upper airways. It can be used to perform the quantification of in vivo levels of protein mediators, such as cytokines and chemokines, in subjects of all ages.
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...
FAQs
Antigen sampling allows immune systems at mucosal surfaces to detect material encountered at the epithelial barrier, while antigen presentation helps activate targeted immune responses. This connection links early recognition with adaptive immunity rather than relying only on immediate barrier defenses. In infection research, it helps explain how exposure at respiratory, gastrointestinal, or urogenital sites can produce focused protection.
Secretory immunoglobulin A, or IgA, helps neutralize microbes at mucosal surfaces while limiting injury to the underlying tissue. Its protective role illustrates how mucosal defenses can control potentially harmful organisms without creating unnecessary inflammation. This balance is especially relevant when studying infection prevention, because effective protection must preserve the integrity of the tissue where exposure occurs.
Mucosal defenses must respond to pathogens while maintaining tolerance to food antigens and beneficial microbiota. The response therefore depends on coordinated barrier, innate, and adaptive activities rather than indiscriminate immune activation. Disruption of this balance can provide a useful framework for investigating dysbiosis and inflammatory disorders, including inflammatory bowel disease and asthma.
A useful investigation considers the epithelial barrier, mucus, antimicrobial molecules, resident innate and adaptive immune cells, antigen sampling and presentation, and secretory IgA. Examining these elements together helps reveal whether protection depends on physical exclusion, antimicrobial activity, immune recognition, or antibody-mediated neutralization. This integrated view is more informative than assessing a single defense component in isolation.
Mucosal immune response research can identify how immune defenses are organized at the sites where pathogens first encounter the host. Knowledge of antigen sampling, presentation, targeted activation, and IgA-mediated neutralization can therefore inform strategies intended to strengthen protection at respiratory, gastrointestinal, or urogenital surfaces. The broader goal is to improve prevention while avoiding damage to underlying tissue.
Studies of mucosal immunity contribute to research on infection prevention and disorders associated with disturbed tissue defense or tolerance. The overview specifically connects this field with inflammatory bowel disease, asthma, and dysbiosis. Comparing barrier, antimicrobial, innate, adaptive, and IgA-related functions can help researchers relate altered mucosal protection to these clinical and biological conditions.