Video Experimental Relacionado
Updated: Aug 3, 2026

10:22
Humanized Mediator Release Assay as a Read-Out for Allergen Potency
Published on: June 29, 2021
Inducción y regulación de la respuesta IgE
1Department of Medicine, Baylor College of Medicine, Houston, Texas 77030, USA.
Nature
|December 10, 1999
Resumen
La inmunoglobulina E (IgE) media en las reacciones alérgicas. Comprender la producción de IgE y su papel en enfermedades atópicas como el asma es crucial para desarrollar nuevos tratamientos.
Área de la Ciencia:
- Inmunología Inmunología.
- Investigación de Alergias Investigación de Alergias
Sus antecedentes:
- La inmunoglobulina E (IgE) es un mediador clave en las reacciones de hipersensibilidad inmediatas.
- Las afecciones atópicas como el asma, la urticaria y la anafilaxia están relacionadas con la IgE.
- La comprensión actual de la producción de IgE y su papel preciso en la enfermedad atópica es incompleta.
Objetivo del estudio:
- Para explorar los factores que controlan la producción de IgE.
- Abordar las lagunas de conocimiento sobre el papel de la IgE en las enfermedades atópicas.
- Examinar los conceptos en evolución de la regulación de IgE.
Principales métodos:
- Revisión de la literatura existente sobre la producción y función de IgE.
- Análisis de datos recientes que cuestionan el papel de la IgE.
- Síntesis de las teorías emergentes sobre la regulación de IgE.
Principales resultados:
- La IgE es fundamental para la hipersensibilidad inmediata y las afecciones atópicas.
- Existen brechas significativas en la comprensión del control de la producción de IgE.
- Los nuevos datos desafían y refinan la comprensión del papel de la IgE.
Conclusiones:
- Los factores que controlan la producción de IgE son críticos en la patogénesis de la enfermedad atópica.
- Se necesita más investigación sobre la producción y eliminación de IgE.
- La evolución de los conceptos aclarará la importancia de la IgE en la salud y la enfermedad.
Videos de Conceptos Relacionados
Antibody Structure
Overview
Antibodies, also known as immunoglobulins (Ig), are essential players of the adaptive immune system. These antigen-binding proteins are produced by B cells and make up 20 percent of the total blood plasma by weight. In mammals, antibodies fall into five different classes, which each elicits a different biological response upon antigen binding.
The Y-Shaped Structure of Antibodies Consists of Four Polypeptide Chains
Antibodies consist of four polypeptide chains: two identical heavy...
Antibodies, also known as immunoglobulins (Ig), are essential players of the adaptive immune system. These antigen-binding proteins are produced by B cells and make up 20 percent of the total blood plasma by weight. In mammals, antibodies fall into five different classes, which each elicits a different biological response upon antigen binding.
The Y-Shaped Structure of Antibodies Consists of Four Polypeptide Chains
Antibodies consist of four polypeptide chains: two identical heavy...
Allergic Reactions
Overview
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...
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...
Inflammatory Response
An inflammatory response is a localized, nonspecific immune reaction that occurs when a tissue is injured. It is characterized by redness, swelling, heat, and pain, which are commonly called the cardinal signs and symptoms of inflammation. Inflammation can sometimes result in a loss of function.
Inflammation can be triggered by various stimuli, such as impact, abrasion, chemical irritation, infections, and extreme hot or cold temperatures. These can damage cells and connective tissue fibers,...
Inflammation can be triggered by various stimuli, such as impact, abrasion, chemical irritation, infections, and extreme hot or cold temperatures. These can damage cells and connective tissue fibers,...
T Cell Types and Functions
When T cells with CD4 markers are activated, they give rise to two types of effector cells: helper T cells and regulatory T cells. Meanwhile, T cells with CD8 markers differentiate into effector cytotoxic T cells. The differentiation of CD4 T cells into helper T cell subsets, such as Th1, Th2, and Th17 cells, is dependent on the antigen type, antigen-presenting cell, and regulatory cytokines.
Th1 cells stimulate dendritic cells to express necessary co-stimulatory molecules on their surfaces for...
Th1 cells stimulate dendritic cells to express necessary co-stimulatory molecules on their surfaces for...
B Cell Activation and Differentiation
The adaptive immune response, a sophisticated defense mechanism, relies on the activation and differentiation of B lymphocytes, or B cells. These processes enable our bodies to mount a tailored response against specific pathogens such as bacteria, free virus particles, toxins, and parasites.
When naive B cells encounter a specific antigen that can bind to the B cell receptor (BCR) on their surface, they undergo sensitization to respond to the antigen's presence. Sensitization begins with...
When naive B cells encounter a specific antigen that can bind to the B cell receptor (BCR) on their surface, they undergo sensitization to respond to the antigen's presence. Sensitization begins with...

