Target intelligence / Profile preview

Hazel Pollen Allergen

Molecular classification
Protein Allergen, Pathogenesis-related protein (PR-10), Isoflavone reductase homolog, Luminal binding protein
01

Overview

Hazel pollen allergen refers to proteins in the pollen of hazel trees (*Corylus* species) that trigger allergic reactions in sensitized individuals. The major allergens include Cor a 1 (homologous to Bet v 1), Cor a 6, and Cor a 10. Exposure leads to allergic rhinitis, conjunctivitis, asthma, and dermatitis. Diagnosis involves specific IgE testing. Management includes avoidance, pharmacotherapy, and allergen immunotherapy.

Other names
Cor a 1Cor a 6Cor a 10Corylus spp. pollenHazel tree pollen
02

Mechanism of action

Antihistamines: Block histamine receptors. Nasal corticosteroids: Reduce inflammation in nasal passages. Allergen immunotherapy: Induces tolerance to the allergen.

03

Biological functions

AllergenElicits IgE-mediated immune response
04

Disease associations

Allergic rhinitisConjunctivitisAsthmaAtopic dermatitis
05

Safety considerations

Anaphylaxis (rare, with allergen immunotherapy)Side effects of antihistamines (drowsiness, dry mouth)Side effects of nasal corticosteroids (nasal irritation, nosebleeds)
06

Interacting drugs

Antihistamines

2 more in the full profile.

07

Biomarkers

Specific IgE levels against hazel pollen allergens (Cor a 1, Cor a 6, Cor a 10)

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