Related Experiment Video
Updated: Jul 6, 2026

Recognition of Epidermal Transglutaminase by IgA and Tissue Transglutaminase 2 Antibodies in a Rare Case of Rhesus Dermatitis
Published on: December 15, 2011
Narrative review: celiac disease: understanding a complex autoimmune disorder
Armin Alaedini1, Peter H R Green
1Department of Neurology and Neuroscience, Cornell University, New York, New York 10021, USA. ara2004@med.cornell.edu
Celiac disease is an autoimmune disorder triggered by gluten, causing intestinal damage. Early detection via antibody tests and a gluten-free diet are key for managing this common condition and its associated health risks.
Area of Science:
- Gastroenterology and Immunology
- Autoimmune Disorders
- Dietary Science
Background:
- Celiac disease is a prevalent autoimmune disorder with genetic, environmental, and immunologic factors.
- It involves an immune reaction to gluten proteins in wheat, rye, and barley, leading to intestinal inflammation and damage.
- Genetic links include human leukocyte antigens DQ2 and DQ8, with transglutaminase 2 playing a role as an enzyme and autoantigen.
Purpose of the Study:
- To summarize the understanding of celiac disease, including its pathophysiology, diagnosis, and management.
- To highlight the role of serologic tests in screening and estimating disease prevalence.
- To discuss the extraintestinal manifestations and treatment of celiac disease.
Main Methods:
- Review of existing literature on celiac disease.
- Analysis of diagnostic approaches, focusing on serologic tests like anti-transglutaminase antibody detection.
- Examination of the association between celiac disease and other health conditions.
Main Results:
- Sensitive and specific serologic tests facilitate noninvasive screening for celiac disease.
- Accurate diagnosis aids in estimating disease prevalence and its links to other disorders.
- Celiac disease is associated with increased risks of anemia, osteoporosis, cancer, neurological issues, and other autoimmune conditions.
Conclusions:
- A gluten-free diet is the primary treatment for celiac disease.
- Ongoing research is needed to understand the full impact of a gluten-free diet on extraintestinal manifestations.
- Improved diagnostic tools are enhancing the identification and management of celiac disease.
Related Concept Videos
Taste Buds and Receptors
Autoimmune Disorders
Concept and Mechanism of Autoimmune Diseases
The immune system...
Chronic Bowel Disorders: Introduction
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 III: Diagnostic Studies and Management I-Nutritional Therapy
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 I: Introduction
Inflammatory Bowel Disease III: Crohn's Disease

