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Drugs for Treatment of Ulcerative Colitis in IBD

Drugs 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.

Inflammatory Bowel Disease I: Ulcerative Colitis

Inflammatory 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 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 colonic...

Inflammatory Bowel Disease V: Surgical Management

Inflammatory Bowel Disease V: Surgical Management

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:

Inflammatory Bowel Disease II: Ulcerative Colitis

Inflammatory 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...

Inflammatory Bowel Disease III: Crohn's Disease

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Crohn’s disease is a chronic, relapsing form of inflammatory bowel disease characterized by segmental, transmural inflammation that can affect any part of the gastrointestinal tract. Its pathogenesis arises from a combination of genetic susceptibility, environmental exposures, epithelial barrier dysfunction, and immune dysregulation. Together, these factors lead to an exaggerated immune response against components of the gut microbiome.Genetic and Environmental InfluencesMultiple genetic...

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Related Experiment Video

Updated: Jun 16, 2026

Murine Ileocolic Bowel Resection with Primary Anastomosis

Murine Ileocolic Bowel Resection with Primary Anastomosis

Published on: October 29, 2014

Gut hormone responses after reconstructive surgery for ulcerative colitis.

G R Greenberg¹, A M Buchan, R S McLeod

¹Department of Medicine, University of Toronto, Canada.

|December 1, 1989

Summary

Continent ileal reservoirs maintain gut hormone function after colectomy for ulcerative colitis, though some hormonal changes are linked to the disease itself. Pouch inflammation can alter nerve morphology.

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Performing Colonoscopic-Guided Pinch Biopsies in Mice and Evaluating Subsequent Tissue Changes

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Published on: February 5, 2021

Area of Science:

Gastroenterology
Endocrinology
Surgical Outcomes

Background:

Continent ileal reservoirs are an alternative to conventional ileostomy for ulcerative colitis patients post-colectomy.
Understanding the impact of these reservoirs on digestive function and gut endocrine responses is crucial.

Purpose of the Study:

To assess the effects of continent ileal reservoirs on circulating and morphologic gut endocrine responses.
To compare these responses in patients with continent ileostomies, pelvic pouches, conventional ileostomies, active ulcerative colitis, and healthy controls.

Main Methods:

Measured basal and postprandial plasma levels of various gut hormones (gastrin, enteroglucagon, neurotensin, VIP, insulin, glucagon, PP, motilin, GIP).
Analyzed mucosal cell populations and neuro-morphologic changes in ileal reservoir tissue.
Compared data across eight distinct patient/control groups.

Main Results:

Circulating gut hormone levels in ileal reservoir patients were largely comparable to controls.
Elevated basal motilin and postprandial GIP were observed in reservoir patients, but also in ulcerative colitis and conventional ileostomy groups.
Mucosal inflammation in pouches correlated with decreased enteroglucagon, PYY, and neurotensin cell populations, and increased vasoactive intestinal polypeptide (VIP) nerves.

Conclusions:

Ileal reservoirs preserve sufficient gut hormone release, indicating compensatory mechanisms despite colon absence.
Observed circulating hormone changes are primarily a consequence of prior ulcerative colitis.
Neuromorphologic alterations in pouches appear linked to mucosal inflammation.