Target intelligence / Profile preview

Immune System (Overall) Modulation via Allergen Immunotherapy (AIT)

Target
AIT
Molecular classification
Immune system process, Multi-component biological process
01

Overview

Immune system desensitization via controlled allergen exposure (AIT) is a therapeutic approach that aims to reduce or eliminate allergic reactions by gradually exposing the immune system to increasing doses of specific allergens. This process induces long-term tolerance by modulating B and T cell responses, suppressing mast cell and basophil activation, and shifting the antibody profile from IgE to IgG4.

Other names
Allergen ImmunotherapyAllergen DesensitizationHyposensitizationAllergy ShotsSublingual ImmunotherapyOral Immunotherapy
02

Mechanism of action

Gradual exposure to increasing doses of allergen to shift immune response from IgE to IgG4 dominance, suppress mast cell/basophil activation, and induce regulatory T cells.

03

Biological functions

Immune tolerance inductionSuppression of allergic responseMast cell desensitizationB cell modulationT cell modulation
04

Disease associations

Allergic rhinitisAllergic conjunctivitisAllergic asthmaVenom allergyFood allergy
05

Safety considerations

Local allergic reactionsSystemic allergic reactions (urticaria, angioedema)AnaphylaxisExacerbation of asthmaEosinophilic esophagitis (with OIT)
06

Interacting drugs

Allergen extracts (various)

3 more in the full profile.

07

Biomarkers

Allergen-specific IgE levelsAllergen-specific IgG4 levelsRegulatory T cell (Treg) populationsCytokine profiles (IL-10, TGF-beta, IFN-gamma)Mast cell activation markers

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