Related Experiment Video
Updated: Jul 7, 2026
09:42
Murine Endoscopy for In Vivo Multimodal Imaging of Carcinogenesis and Assessment of Intestinal Wound Healing and Inflammation
Published on: August 26, 2014
In vitro studies of ulcerative ileojejunitis.
Gastroenterology
|March 1, 1975
Summary
Ulcerative ileojejunitis may be a complication of gluten-sensitive enteropathy. This study suggests an immunological basis for this condition, potentially linked to gluten exposure.
Area of Science:
- Gastroenterology
- Immunology
- Genetics
Background:
- Ulcerative ileojejunitis is a severe gastrointestinal condition.
- Gluten-sensitive enteropathy (celiac disease) is an autoimmune disorder triggered by gluten.
- The relationship between these conditions requires further elucidation.
Purpose of the Study:
- To investigate the immunological and pathological mechanisms underlying ulcerative ileojejunitis.
- To compare the jejunal IgA synthesis and organ culture behavior of a patient with ulcerative ileojejunitis to those with gluten-sensitive enteropathy.
Main Methods:
- Human Leukocyte Antigen (HLA) phenotype determination.
- Measurement of jejunal immunoglobulin A (IgA) synthesis via labeled amino acid incorporation.
- In vitro organ culture of jejunal biopsy specimens with and without gluten peptides.
Main Results:
- The patient carried the HLA-8 phenotype, common in gluten-sensitive enteropathy.
- Jejunal IgA synthesis remained high during gluten exposure and did not decline off gluten, unlike in celiac disease remission.
- Organ culture showed increased alkaline phosphatase activity in the absence of gluten peptides, and similar behavior to gluten-sensitive enteropathy in remission when gluten was absent.
Conclusions:
- Ulcerative ileojejunitis may represent a complication of gluten-sensitive enteropathy with loss of gluten restriction control.
- The findings suggest an immunological component to ulcerative ileojejunitis.
- Further research into the immunological aspects of ulcerative ileojejunitis is warranted.
More Related Videos
Related Concept Videos
01:29Drugs for Treatment of Ulcerative Colitis in IBD
Ulcerative colitis is a chronic inflammatory condition primarily affecting the colon and rectum. The primary drugs used in the treatment of ulcerative colitis are aminosalicylates. They exhibit anti-inflammatory and immunosuppressive properties. They modulate inflammatory mediators and inhibit the activity of nuclear factor κB (NF-κB). Aminosalicylates also reduce inflammation by inhibiting prostaglandin and leukotriene production and decreasing neutrophil chemotaxis and superoxide generation.
01:28Peptic Ulcer Disease III: Clinical Manifestations and Diagnostic Studies
Peptic ulcer disease (PUD) presents with diverse symptoms depending on the location and severity of the ulcer. Clinical manifestations of peptic ulcer include dull pain and a burning sensation in the mid-epigastric region.
Few clinical manifestations differentiate gastric ulcers from duodenal ulcers. Distinctions in the location, timing, and pain relief are crucial for healthcare providers in differentiating between gastric and duodenal ulcers during clinical assessments.
Few clinical manifestations differentiate gastric ulcers from duodenal ulcers. Distinctions in the location, timing, and pain relief are crucial for healthcare providers in differentiating between gastric and duodenal ulcers during clinical assessments.
01:27Inflammatory Bowel Disease I: Ulcerative Colitis
Introduction
Inflammatory bowel disease, or IBD, encompasses a group of disorders characterized by chronic inflammation or ulceration of the gastrointestinal tract.
Risk Factors
The exact cause of IBD remains unclear, although it is believed to be due to a mix of genetic, environmental, microbial, and immune factors. Genetic factors are significant in determining susceptibility to IBD, with family history being a critical risk factor. Individuals with a first-degree relative who has IBD are at...
Inflammatory bowel disease, or IBD, encompasses a group of disorders characterized by chronic inflammation or ulceration of the gastrointestinal tract.
Risk Factors
The exact cause of IBD remains unclear, although it is believed to be due to a mix of genetic, environmental, microbial, and immune factors. Genetic factors are significant in determining susceptibility to IBD, with family history being a critical risk factor. Individuals with a first-degree relative who has IBD are at...
01:30Inflammatory Bowel Disease III: Diagnostic Studies and Management I-Nutritional Therapy
Various diagnostic tests are employed in the diagnostic process for Inflammatory Bowel Disease (IBD), particularly to differentiate between Crohn's disease and ulcerative colitis.
Diagnostic studies
A colonoscopy is the definitive screening test, distinguishing ulcerative colitis from other colon diseases with similar symptoms. During a colonoscopy test, inflamed mucosa with exudate ulcerations can be observed, and biopsies are taken to determine the histologic characteristics of the colonic...
Diagnostic studies
A colonoscopy is the definitive screening test, distinguishing ulcerative colitis from other colon diseases with similar symptoms. During a colonoscopy test, inflamed mucosa with exudate ulcerations can be observed, and biopsies are taken to determine the histologic characteristics of the colonic...
01:16Methods for Studying Drug Absorption: In vitro
In vitro experiments are crucial for understanding the transport and absorption of drugs through biological materials. These studies employ varied methods such as the diffusion cell method, the everted sac technique, and the everted ring technique.
The diffusion cell method uses a two-compartment cell, including a donor compartment with the drug solution, which simulates the environment where the drug is applied, and a receptor compartment with a buffer solution, which simulates the environment...
The diffusion cell method uses a two-compartment cell, including a donor compartment with the drug solution, which simulates the environment where the drug is applied, and a receptor compartment with a buffer solution, which simulates the environment...
01:20Inflammatory Bowel Disease II: Ulcerative Colitis
Ulcerative colitis is a chronic inflammatory disorder of the colon characterized by continuous mucosal inflammation that typically begins in the rectum and extends proximally in a uniform pattern. Its pathogenesis involves a complex interplay of genetic predisposition, immune dysregulation, and environmental influences. These factors converge to impair the colon’s epithelial defenses and promote an exaggerated inflammatory response against luminal contents.Breakdown of the Mucosal BarrierA...