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Inflammatory Bowel Disease I: Introduction

Inflammatory Bowel Disease I: Introduction

Inflammatory bowel disease is a group of chronic disorders marked by recurrent inflammation of the gastrointestinal tract due to an abnormal immune response against gut microflora. This leads to tissue damage. The two main forms are Crohn’s disease and ulcerative colitis.Crohn’s DiseaseCrohn’s disease is a relapsing inflammatory disorder that can affect any part of the GI tract, from the mouth to the anus. It involves all layers of the bowel wall (transmural) and shows “skip lesions” in which...

Inflammatory Bowel Disease III: Crohn's Disease

Inflammatory Bowel Disease III: Crohn's Disease

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...

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...

Chronic Bowel Disorders: Introduction

Chronic Bowel Disorders: Introduction

Chronic bowel diseases are a group of long-term conditions affecting the digestive tract, characterized by inflammation and damage to the gut lining. These conditions primarily include irritable bowel syndrome and inflammatory bowel disease.
Irritable Bowel Syndrome (IBS) is a common disorder affecting the gastrointestinal tract. The distinctive feature is recurrent abdominal pain associated with altered bowel movements, manifesting as constipation, diarrhea, or fluctuating between both. The...

Inflammatory Bowel Disease II: Crohn's Disease

Inflammatory Bowel Disease II: Crohn's Disease

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 transmural...

Inflammatory Bowel Disease IV: Clinical Manifestations

Inflammatory Bowel Disease IV: Clinical Manifestations

Inflammatory bowel disease (IBD) encompasses two major chronic disorders—ulcerative colitis and Crohn’s disease—each characterized by relapsing episodes of gastrointestinal inflammation. Although they share certain clinical features, their patterns of involvement and manifestations differ in ways that aid diagnosis and guide management.Ulcerative ColitisUlcerative colitis is limited to the colon and rectum and involves continuous inflammation of the mucosal layer. The disease course is marked...

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A TNBS-Induced Rodent Model to Study the Pathogenic Role of Mechanical Stress in Crohn's Disease

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Bone, inflammation, and inflammatory bowel disease.

Manasi Agrawal¹, Shitij Arora, Jianjun Li

¹Department of Gastroenterology, Maimonides Medical Center, Brooklyn, NY 11201, USA. maagrawal@maimonidesmed.org

Current Osteoporosis Reports

|September 22, 2011

Summary

This summary is machine-generated.

Inflammatory bowel disease (IBD) often leads to osteoporosis, causing bone loss early, even before symptoms appear. Systemic inflammation, vitamin D deficiency, and steroid use contribute to this bone disease in IBD patients.

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Investigating Intestinal Inflammation in DSS-induced Model of IBD

Investigating Intestinal Inflammation in DSS-induced Model of IBD

Published on: February 1, 2012

Area of Science:

Gastroenterology and Bone Metabolism

Background:

Osteoporosis is a significant complication in inflammatory bowel disease (IBD) patients.
Bone loss in IBD is an early systemic process, potentially preceding clinical diagnosis.
Contributing factors include vitamin D deficiency, corticosteroid therapy, and systemic inflammation.

Purpose of the Study:

To review the molecular mechanisms underlying bone loss in IBD.
To discuss the role of inflammatory cytokines and mediators in IBD-associated bone disease.

Main Methods:

Literature review focusing on molecular pathways of bone loss in IBD.
Analysis of inflammatory mediators and their impact on bone metabolism.

Main Results:

Inflammatory cytokines and other mediators play a key role in bone loss.
Systemic inflammation is a primary driver of osteoporosis in IBD.

Conclusions:

Understanding inflammation-induced bone loss in IBD is crucial for effective treatment.
Further research into molecular pathways will guide therapeutic strategies for IBD-associated osteoporosis.