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Related Concept Videos

Inflammatory Bowel Disease I: Ulcerative Colitis01:27

Inflammatory Bowel Disease I: Ulcerative Colitis

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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...
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Drugs for Treatment of Ulcerative Colitis in IBD01:29

Drugs for Treatment of Ulcerative Colitis in IBD

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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...
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Inflammatory Bowel Disease III: Diagnostic Studies and Management I-Nutritional Therapy01:30

Inflammatory Bowel Disease III: Diagnostic Studies and Management I-Nutritional Therapy

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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...
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Inflammatory Bowel Disease V: Surgical Management01:21

Inflammatory Bowel Disease V: Surgical Management

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Surgical interventions for inflammatory bowel disease (IBD), which includes ulcerative colitis and Crohn's disease, are essential in managing symptoms and addressing complications. The selection of surgical procedures is contingent upon the specific conditions and complications that stem from these illnesses.
Here are some common surgical interventions for IBD:
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Inflammatory Bowel Disease IV: Pharmacological Management01:29

Inflammatory Bowel Disease IV: Pharmacological Management

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Upon diagnosis, managing Inflammatory Bowel Disease (IBD) involves addressing several crucial aspects. The primary goals include resting the bowel, correcting malnutrition, and providing symptomatic relief. Resting the bowel may consist of medications to reduce inflammation and promote healing. Correcting malnutrition is essential, often requiring dietary adjustments and nutritional supplements. Symptomatic relief aims to ease pain, diarrhea, and other discomforts in IBD.
Pharmacologic...
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Inflammatory Bowel Disease II: Crohn's Disease01:30

Inflammatory Bowel Disease II: Crohn's Disease

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Introduction
Inflammatory bowel disease, commonly known as IBD, refers to a collection of disorders that lead to persistent inflammation of the gastrointestinal tract. The two types of IBD are ulcerative colitis, which impacts the colon, and Crohn's disease, which can involve any part of the gastrointestinal segment.
Crohn's disease
Crohn's disease is a chronic, systemic inflammatory bowel disease (IBD) that predominantly affects the gastrointestinal tract. It is marked by...
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Related Experiment Video

Updated: Apr 11, 2026

Analyzing Beneficial Effects of Nutritional Supplements on Intestinal Epithelial Barrier Functions During Experimental Colitis
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[Advances in research on ulcerative colitis].

Toshimitsu Araki, Yuji Toiyama, Koji Tanaka

    Nihon Geka Gakkai Zasshi
    |June 9, 2015
    PubMed
    Summary

    Ulcerative colitis (UC) lacks a cure, but research is advancing understanding of its causes and developing targeted therapies. Epigenetic biomarkers show promise for diagnosis, prognosis, and predicting treatment response in UC and associated cancers.

    Area of Science:

    • Gastroenterology and immunology
    • Genetics and epigenetics
    • Surgical oncology

    Context:

    • Ulcerative colitis (UC) etiology remains unknown, with no definitive cure.
    • Genome-wide association studies are elucidating UC pathophysiology and susceptibility genes.
    • Current research focuses on targeted therapies modulating inflammation and gut immunity.

    Purpose:

    • To review recent advancements in understanding ulcerative colitis (UC) pathophysiology.
    • To highlight the potential of epigenetic modifications (microRNA, DNA methylation) as biomarkers for UC diagnosis, prognosis, and treatment response.
    • To discuss the role of surgery and the search for biomarkers for UC-associated cancer.

    Summary:

    • Recent progress in genetic and pathophysiological research has led to targeted therapies for ulcerative colitis (UC).

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  • Epigenetic approaches, including microRNA and DNA methylation, offer potential for novel biomarkers in UC diagnosis, prognosis, and predicting treatment efficacy.
  • Surgical interventions like total proctocolectomy with J-pouch anal anastomosis are key treatment options, with ongoing research to refine indications and predict postoperative risks.

    • Impact:

    • Advances understanding of ulcerative colitis (UC) pathogenesis and treatment.
    • Identifies potential for novel diagnostic, prognostic, and predictive biomarkers using epigenetic markers.
    • Aims to improve surgical decision-making and outcomes for ulcerative colitis patients, including those with associated cancers.