Gut Immune Response
Gut Immune Response - Related Videos
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...
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.
13:04
An Introduction to Parasitic Wasps of Drosophila and the Antiparasite Immune Response
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Cited by 41 •
2012
Parasitoid (parasitic) wasps constitute a major class of natural enemies of many insects including Drosophila melanogaster. We will introduce the techniques to propagate these parasites in Drosophila spp. and demonstrate how to analyze their effects on immune tissues of Drosophila larvae.
11:00
3D Flipwell Engineering for Developing Asynchronous Systems for Toxicologic and Immunomodulatory Therapies in Bacterial, Gut, and Immune Cells
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2025
This article provides a detailed protocol with key steps to guide the 3D Flipwell engineering and utilization. We describe and show how to assemble the co-culture insert stacks and utilize them for co-culturing stratified layers of gut bacteria, gut epithelia, and macrophages to model the gut mucosal environment.
10:05
Trichuris muris Infection: A Model of Type 2 Immunity and Inflammation in the Gut
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Cited by 34 •
2011
Trichuris muris infection is an intestinal model of Th2 immunity where resistant mice generate a protective Th2 response and susceptible mice generate a pathological Th1 response.
FAQs
Protection begins with coordinated layers rather than a single defense. Epithelial cells and mucus reduce microbial contact with intestinal tissue, while antimicrobial peptides add chemical protection. Secretory IgA further limits exposure, and innate and adaptive immune cells respond when threats are detected. Together, these components help control pathogens while preserving the gut’s functional environment.
Cytokine signaling helps coordinate communication among immune cells and surrounding intestinal tissues. It supports the detection and control of threats while influencing the intensity of inflammation. Effective regulation matters because an inadequate response may fail to control infection, whereas poorly controlled inflammation can damage tissue. This signaling balance is therefore central to mucosal immune function.
The intestine constantly encounters food and resident microbiota alongside potential pathogens. Immune tolerance limits unnecessary reactions to these nonthreatening exposures, while protective responses remain available for harmful organisms. Maintaining this distinction reduces tissue-damaging inflammation without abandoning defense. Disruption of the balance is relevant to conditions such as food allergies, dysbiosis, and inflammatory bowel disease.
Research can clarify how physical barriers, antimicrobial factors, antibodies, immune cells, and cytokine signals cooperate during infection. It can also show how protective activity is balanced against inflammation and tissue injury. These findings help explain why intestinal immune responses succeed or fail and provide context for investigating altered immunity in disease.
These conditions illustrate different consequences of disturbed intestinal immune balance. Excessive or poorly regulated inflammation is relevant to inflammatory bowel disease, while inappropriate responses to food relate to food allergies. Dysbiosis reflects disruption involving beneficial microbiota and the surrounding immune environment. Studying these relationships helps connect immune regulation with intestinal health and disease.
Because intestinal defenses include secretory IgA, epithelial barriers, immune cells, and signaling pathways, research can identify ways to strengthen mucosal protection. The resulting knowledge may inform vaccine strategies designed for intestinal immunity and approaches that use the microbiome therapeutically. It can also guide efforts to preserve pathogen control while limiting harmful inflammation.