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Related Concept Videos

Allergic Reactions02:06

Allergic Reactions

Overview
Antiasthma Drugs: Mast Cell Stabilizers and Anti-IgE Drugs01:25

Antiasthma Drugs: Mast Cell Stabilizers and Anti-IgE Drugs

Asthma is a chronic respiratory condition for which new therapeutic avenues, including anti-inflammatory drugs like mast cell stabilizers and anti-IgE treatments, continue to be developed.
Mast cell stabilizers, such as cromolyn (also known as sodium cromoglycate) and nedocromil (Tilade), are effective drugs in asthma management. These stabilizers hinder histamine release by skillfully obstructing the activation of mast cells and other cellular entities. Notably, they navigate this task without...
Allergic Reactions: Anaphylaxis01:30

Allergic Reactions: Anaphylaxis

Anaphylaxis is a severe, life-threatening hypersensitivity reaction mediated by Immunoglobulin E (IgE) antibodies. When IgE binds to allergens, it triggers the release of mediators– histamine, leukotrienes, and prostaglandins from mast cells and basophils. These mediators cause vasodilation, edema, and inflammation, leading to various symptoms.The primary allergens causing anaphylaxis include food items (e.g., peanuts, shellfish), drugs (e.g., penicillin, asparaginase, corticotropin, heparin),...
Allergic Drug Reactions01:27

Allergic Drug Reactions

Allergic reactions related to drugs are hypersensitivity responses driven by the immune system and bear no connection to the drug's therapeutic action. While drugs in isolation do not trigger an immune response, they can interact with endogenous proteins to form antigens. These antigens stimulate lymphocytes to produce antibodies. IgE-type antibodies attach themselves to mast cells. Upon subsequent exposure to the same stimulus, the antigen-antibody interaction is initiated, unleashing numerous...
Hypersensitivities01:30

Hypersensitivities

Hypersensitivity, also known as a hypersensitivity reaction or allergic reaction, is a condition where the body's immune system reacts abnormally to a foreign substance. Such substances, that cause hypersensitivity are referred to as an allergen, could be something typically harmless to most people, like pollen or certain foods.
Types of Hypersensitivities
Hypersensitivity reactions are categorized into four types: Type 1, Type 2, Type 3, and Type 4. Each type has a distinct mechanism...
Cross-reactivity00:42

Cross-reactivity

Overview

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Related Experiment Video

Updated: May 31, 2026

Intralymphatic Immunotherapy and Vaccination in Mice
07:33

Intralymphatic Immunotherapy and Vaccination in Mice

Published on: February 2, 2014

[New approaches for allergen-specific immunotherapy].

José Fernando Cantillo1, Leonardo Puerta

  • 1Instituto de Investigaciones Inmunológicas, Universidad de Cartagena, Cartagena de Indias, Colombia.

Biomedica : Revista Del Instituto Nacional De Salud
|June 30, 2011
PubMed
Summary
This summary is machine-generated.

New allergen immunotherapy approaches using chemically defined, standardized antigens offer a safer and more effective treatment for allergic diseases like asthma and rhinitis.

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Intralymphatic Immunotherapy and Vaccination in Mice
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Basophil Activation Test for Allergy Diagnosis
07:22

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Published on: May 31, 2021

Area of Science:

  • Immunology
  • Allergology
  • Biotechnology

Context:

  • Allergic diseases, including asthma and rhinitis, are globally increasing health concerns.
  • Current allergen-specific immunotherapy using natural extracts faces challenges in standardization and carries risks like anaphylaxis.
  • There is a critical need for improved immunotherapy strategies to manage allergic conditions effectively.

Purpose:

  • To explore novel allergen-specific immunotherapy approaches.
  • To develop safer and more standardized treatments for allergic diseases.
  • To investigate the efficacy of recombinant allergens and peptide-based vaccines.

Summary:

  • New immunotherapy strategies utilize chemically defined, standardized antigens, including recombinant allergens and peptides.
  • These novel vaccines can be administered with adjuvants to enhance immune responses.
  • Targeting dendritic cells or mast cells is a key mechanism for these advanced immunotherapies.

Impact:

  • These advanced preparations show promise in protecting against allergen exposure and improving symptoms.
  • They induce beneficial immune responses, such as blocking antibodies and Th1 cytokine production.
  • Future research and clinical trials are essential to validate these findings and optimize treatments.