Gut Immune Homeostasis
Gut Immune Homeostasis - Related Videos
01:16
What is Homeostasis?
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2023
Maintaining homeostasis requires that the body continuously maintain its internal conditions. Each physiological condition has a particular set point, from body temperature to blood pressure to levels of certain nutrients. A set point is the physiological value around which the normal range fluctuates. A normal range is a restricted set of values that is optimally healthful and stable. For example, the set point for normal human body temperature is approximately 37°C (98.6°F). Physiological...
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.
01:31
pH Homeostasis
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2023
Acid-base homeostasis is essential for maintaining normal physiological activities in humans. The pH of various body fluids is strictly regulated because it is critical for the optimal activity of enzymes involved in metabolic reactions. Enzymes are basically proteins, so, any significant change in pH can affect their structure and activity. In humans, pH is regulated using three primary mechanisms— chemical buffer systems, respiratory regulation, and renal regulation. Respiratory Regulation of...
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.
08:41
Monitoring Endoplasmic Reticulum Calcium Homeostasis Using a Gaussia Luciferase SERCaMP
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Cited by 8 •
2015
Endoplasmic reticulum calcium homeostasis is disrupted in diverse pathologies. A secreted ER calcium monitoring protein (SERCaMP) reporter can be used to detect disruptions in the ER calcium store. This protocol describes the use of a Gaussia luciferase SERCaMP to examine ER calcium homeostasis in vitro and in vivo.
FAQs
A functioning epithelial barrier separates intestinal contents from underlying tissue while permitting controlled interaction with microbial signals. Antimicrobial factors and innate immune sensing add complementary protection: they help detect or limit potential threats before responses become damaging. In gut immune homeostasis, this coordinated arrangement supports defense without treating every microbial exposure as a reason for inflammation.
Microbial signals and metabolites provide information that helps shape intestinal immune activity. Their effects are integrated with epithelial defenses and regulatory T-cell responses, allowing the intestine to distinguish ordinary microbial or dietary exposure from circumstances requiring stronger defense. This communication is important because altered microbial inputs can contribute to disrupted local balance and broader physiological effects.
Regulatory T cells help restrain excessive effector responses while supporting tolerance to food antigens and beneficial microbes. Their activity complements epithelial protection, antimicrobial factors, and innate sensing rather than replacing them. When this regulatory control is insufficient, immune activity may become inappropriate, increasing the relevance of gut immune homeostasis to inflammatory and immune-mediated disorders.
Disruption can weaken the coordinated control of defense, tolerance, and tissue protection. The consequences may include inappropriate inflammation, altered susceptibility to infection, and changes in local or systemic physiology. These outcomes make immune imbalance relevant to inflammatory bowel disease and other immune-mediated disorders, while also explaining why restoring balance is a goal in precision medicine.
Medical research can use this framework to connect intestinal defenses with disease mechanisms and therapeutic goals. The overview identifies microbiome modulation, barrier protection, and targeted immunotherapies as strategies informed by these interactions. Each approach addresses a different part of the balance, allowing investigators to consider microbial inputs, tissue integrity, or immune regulation rather than focusing on inflammation alone.
Gut immune homeostasis is especially relevant when researchers or clinicians examine inflammatory bowel disease, infection susceptibility, or immune-mediated disorders. It also provides context for studying effects that extend beyond the intestine, because disruption can alter systemic physiology. This broader perspective supports precision medicine by linking intestinal immune conditions with individualized efforts to restore or preserve immune balance.