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Allergens.

R W Weber1

  • 1Allergy/Immunology Service, Fitzsimons Army Medical Center, Aurora, Colorado.

Primary Care
|September 1, 1987
PubMed
Summary
This summary is machine-generated.

Allergens, often proteins, trigger immune responses in susceptible individuals. Understanding major and minor allergen characteristics is key for developing effective allergy treatments and immunotherapy extracts.

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Area of Science:

  • Immunology
  • Biochemistry
  • Environmental Science

Background:

  • Environmental allergens, primarily proteins or glycoproteins, can sensitize atopic individuals.
  • High exposure to reactive substances may induce allergic antibodies even in non-atopic individuals.
  • Individual responses to allergens depend on immune responsiveness, dosage, frequency, route, and chemical nature.

Purpose of the Study:

  • To characterize major and minor allergens.
  • To understand the factors influencing allergic responses.
  • To assess the utility of cross-reactivity data for immunotherapy.

Main Methods:

  • Isolation and characterization of allergens from various sources (e.g., pollen, mold).
  • Analysis of allergen properties including molecular weight and isoelectric point (pI).

Related Experiment Videos

  • Evaluation of cross-reactivity between different allergens.

    • Main Results:

    • Major allergens identified as acidic proteins (20-40 kDa, pI 4-6).
    • Minor allergens exhibit variable size and charge (acidic or basic).
    • Pollen extracts show multiple allergenic determinants, useful for immunotherapy.

    Conclusions:

    • Characterization of allergen properties aids in understanding sensitization.
    • Cross-reactivity data is valuable for formulating immunotherapy extracts.
    • Further research is needed to resolve conflicts and expand knowledge on allergens like molds, epidermals, and mites.