Biochemical Characteristics and Allergenic Activity of Common Fungus Allergens

Lisha Li1, Kai Guan1, Song Guo Zheng2

  • 1Department of Allergy, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing Key Laboratory of Precision Medicine for Diagnosis and Treatment on Allergic Diseases, Beijing, 100730, China.

Insights

Fungal spores are common in the air and cause allergies like asthma. This review details the biochemical traits and allergic potential of key allergens from prevalent environmental fungi.

Area of Science:

  • Mycology
  • Immunology
  • Environmental Health

Background:

  • Fungi comprise over 1.5 million species, with their spores being ubiquitous atmospheric components.
  • Fungal spores are significant triggers for allergic conditions such as allergic rhinitis, asthma, and allergic bronchopulmonary aspergillosis.
  • Key genera linked to allergies include Cladosporium, Alternaria, Aspergillus, and Penicillium.

Purpose of the Study:

  • To review the biochemical characteristics of fungal allergens.
  • To examine the allergenic activity of important allergens from common environmental fungi.
  • To provide an overview of the current understanding of fungal allergens.

Main Methods:

  • Literature review focusing on published research on fungal allergens.
  • Analysis of biochemical properties and allergenic activities of fungal proteins.
  • Compilation of data on approved fungal allergens from the International Allergen Nomenclature Sub-committee.

Main Results:

  • Over 111 fungal allergens from 29 genera have been identified and approved.
  • The cDNA sequences and amino acid structures involved in IgE binding and T-cell activation for many fungal allergens are known.
  • Common environmental fungi possess allergens with significant allergenic potential.

Conclusions:

  • Fungal allergens are crucial in the development of allergic diseases.
  • Understanding the biochemical nature of these allergens is vital for diagnosis and treatment.
  • Further research into fungal allergen characteristics can improve management strategies for allergic disorders.

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