Basophils: Emerging roles in the pathogenesis of allergic disease

Research output: Contribution to journalArticlepeer-review

Abstract

After approximately 130years since their discovery as rare granulocytes that circulate in blood, basophils are just now gaining respect as significant contributors in the pathogenesis underlying allergic inflammation and disease. While long known for secreting preformed and newly synthesized mediators and for selectively infiltrating tissue during immunoglobulin E (IgE)-mediated inflammation, their role has largely been viewed as redundant to that of tissue mast cells in functioning as effector cells. This line of thought has persisted even though it has been known in humans for approximately 20years that basophils additionally produce relatively large quantities of cytokines, e.g. interleukin-4 (IL-4)/IL-13, that are central for the manifestations of allergic disease. Studies using novel IL-4 reporter mice have significantly added to the in vivo importance of basophils as IL-4 producing cells, with recent findings indicating that these cells also function as antigen-presenting cells essential in initiating T-helper 2 responses. If confirmed and translated to humans, these provocative findings will give new meaning to the role basophils have in allergic disease, and in immunology overall.

Original languageEnglish (US)
Pages (from-to)144-160
Number of pages17
JournalImmunological reviews
Volume242
Issue number1
DOIs
StatePublished - Jul 1 2011

Keywords

  • Allergy
  • Asthma
  • Basophil
  • Cytokine
  • Fc receptors
  • Inflammation

ASJC Scopus subject areas

  • Immunology and Allergy
  • Immunology

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