Respuestas inmunes de la mucosa intestinal - Implicaciones para la enfermedad celíaca y la alergia alimentaria

Valérie Abadie1

  • 1Department of Medicine, The University of Chicago, Chicago, IL, USA; Committee on Immunology, The University of Chicago, Chicago, IL, USA; Section of Gastroenterology, Hepatology and Nutrition, The University of Chicago, Chicago, IL, USA.

Seminars in immunology
|August 31, 2025
PubMed
Resumen

La tolerancia inmune a los antígenos de los alimentos es crucial para la salud intestinal. Las interacciones entre los genes y el medio ambiente, particularmente los factores microbianos, interrumpen esta tolerancia, lo que lleva a la enfermedad celíaca (CeD) y las alergias a los alimentos.

Videos de Conceptos Relacionados

Mucosal Barrier of the Stomach01:25

Mucosal Barrier of the Stomach

The gastric glands contain parietal cells that secrete hydrochloric acid (HCl) for digestion. The cells secrete HCl because it is highly corrosive and essential for breaking down food. To achieve this, they secrete hydrogen and chloride ions into the lumen of the gastric glands, which combine to form HCl.
Within parietal cells, carbonic acid is first formed through the reaction of water and carbon dioxide. The dissociation of carbonic acid releases bicarbonate and hydrogen ions. The bicarbonate...
829
Pathophysiology of Peptic Ulcer Disease: Mucosal Defense Factors01:24

Pathophysiology of Peptic Ulcer Disease: Mucosal Defense Factors

Peptic ulcer disease, commonly called PUD, represents a multifaceted condition characterized by disruptions in the lining of the gastrointestinal (GI)  tract. Central to the protection of the gastrointestinal lining is the mucosal-bicarbonate barrier. This physiological defense mechanism is a formidable shield against the corrosive effects of gastric acid and pepsin secretion in the stomach. Its role is pivotal in maintaining the structural integrity of the stomach's inner lining.
523
Cell-mediated Immune Responses01:40

Cell-mediated Immune Responses

Overview
72.2K
Transcytosis of IgG01:15

Transcytosis of IgG

Transcytosis is the process in which molecules are internalized by endocytosis, transported across the cell, and released through exocytosis from the opposite end of the cell. Molecules such as insulin, immunoglobulins, and certain nutrients are transferred through the recycling endosomes by recycling and transcytosis.
IgG molecules from a mother undergo transcytosis starting around 13 weeks of gestation. The amount of IgG transferred and entering the fetal blood circulation increases with...
2.9K
Inflammatory Bowel Disease III: Diagnostic Studies and Management I-Nutritional Therapy01:30

Inflammatory 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...
413
Allergic Reactions02:06

Allergic Reactions

Overview
28.5K