Gastrointestinal Inflammation
Gastrointestinal Inflammation - Related Videos
08:15
Gastrointestinal Motility Monitor (GIMM)
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Cited by 36 •
2010
Evaluation of colonic motility in the guinea pig distal colon with the Gastrointestinal Motility Monitor (GIMM) is a straightforward and simple to learn approach to quantitatively evaluate propulsive motility in the gastrointestinal tract.
01:38
Inflammation
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2019
Overview In response to tissue injury and infection, mast cells initiate inflammation. Mast cells release chemicals that increase the permeability of adjacent blood capillaries and attract additional immune cells to the wound or site of infection. Neutrophils are phagocytic leukocytes that exit the bloodstream and engulf invading microbes. Blood clotting platelets seal the wound and fibers create a scaffold for wound healing. Macrophages engulf aging neutrophils to end the acute inflammatory...
07:46
Isolation, Characterization, and Purification of Macrophages from Tissues Affected by Obesity-related Inflammation
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Cited by 15 •
2017
This protocol allows a researcher to isolate and characterize tissue-resident macrophages in various hallmark inflamed tissues extracted from diet-induced models of metabolic disorders.
06:02
Isolation of CD 90+ Fibroblast/Myofibroblasts from Human Frozen Gastrointestinal Specimens
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Cited by 17 •
2016
Here, a protocol to isolate and establish primary fibroblast/myofibroblast (MF) cultures from frozen gastric, small intestinal, and colonic tissue-yielding cells with a MF phenotype-is presented. These cells express CD90, α-SMA and vimentin. MFs can be used for a variety of functional assays including enzymatic activity and cytokine production.
01:26
Anatomy of the Gastrointestinal System
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2025
The human digestive system is an intricate and essential network for nutrient absorption and waste elimination. It encompasses the gastrointestinal (GI) tract and several accessory organs. Here's a detailed walkthrough of this complex system: Oral Cavity: The starting point of the digestive process. It comprises lips, cheeks, teeth, and salivary glands within mucous membranes. It extends to the soft palate, the floor of the mouth, and the tongue. Pharynx: It is a tubular...
FAQs
Barrier disruption can expose the digestive tract to harmful stimuli and activate epithelial cells together with immune populations. These cells detect the disturbance and initiate signaling that coordinates tissue responses. The resulting inflammation may help remove the initiating threat, but persistent barrier dysfunction can sustain immune activation and increase the risk of tissue damage.
Cytokines and other inflammatory mediators act as signals that organize local changes in the digestive tract. They can alter blood flow, recruit leukocytes, and influence communication between epithelial and immune cells. These coordinated effects help deliver cellular defenses to an affected area, while prolonged signaling can maintain inflammation and interfere with normal tissue function.
Acute inflammation can support the removal of harmful stimuli and promote tissue repair. If the response persists, however, continuing immune activity may damage tissues rather than restore them. Chronic inflammation can also impair nutrient absorption and contribute to inflammatory bowel disease, making the distinction between temporary and sustained responses important in biology and medicine.
Inflammatory signaling and changes in the intestinal environment can influence the gut microbiota, while host-microbe interactions can also shape immune responses. This relationship makes the microbiota relevant to both the initiation and persistence of gastrointestinal inflammation. Studying these reciprocal effects helps researchers examine why inflammation resolves in some settings but continues in others.
Researchers examine epithelial cells, immune populations, cytokines, other mediators, leukocyte recruitment, and changes in the gut microbiota. Considering these components together helps reveal how barrier injury or infection becomes a tissue-level response. The combined picture can also identify connections between immune activity, microbial changes, tissue damage, repair, and impaired digestive function.
Because inflammation changes cellular activity, mediator release, leukocyte recruitment, and host-microbe interactions, these features can provide measurable indicators of disease-related processes. Researchers study such changes to identify biomarkers that reflect inflammatory activity or tissue effects. Biomarker development may improve understanding of disease mechanisms and support efforts toward diagnosis, prevention, and treatment.
Inflammatory bowel disease provides an important context for examining how an immune response becomes persistent and damaging in the digestive tract. Biology research connects epithelial disruption, immune signaling, leukocyte recruitment, microbial interactions, and impaired nutrient absorption within this context. These relationships help explain disease consequences and guide investigations into prevention and treatment strategies.