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[The TH2 theory in allergy].

E Rojas Ramos1, N E Martínez Jiménez

  • 1Médicos Adscritos al Servicio de Alergia e Inmunología Clínica, Hospital Regional 1o de Octubre, ISSSTE.

Revista Alergia Mexico (Tecamachalco, Puebla, Mexico : 1993)
|July 30, 1999
PubMed
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Allergic diseases, affecting up to 30% of people, involve increased IgE antibody production. This is driven by T helper (Th) cells, particularly Type 2, collaborating with B cells in allergic reactions.

Area of Science:

  • Immunology
  • Allergy Research

Background:

  • Allergic diseases are common, affecting 20-30% in developed nations and increasing.
  • Genetics play a role in the development of allergies.

Purpose of the Study:

  • To explain the immunological mechanisms underlying allergic diseases.
  • To highlight the role of T helper cells in IgE synthesis.

Main Methods:

  • The study focuses on the cellular interactions in allergic responses.
  • It reviews the functional properties of T helper Type 2 cells.

Main Results:

  • Allergic diseases are characterized by heightened B-lymphocyte IgE antibody production.
  • Human IgE synthesis results from T helper CD4+ and B cell collaboration.

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Conclusions:

  • The Th2 theory explains allergy by detailing the cooperation between IgE-producing B cells, mast cells, basophils, and eosinophils.
  • Understanding T helper cell function is crucial for allergy research.