Basophils and their effector molecules in allergic disorders

Kensuke Miyake, Sho Shibata, Soichiro Yoshikawa, Hajime Karasuyama

Research output: Contribution to journalReview articlepeer-review

39 Citations (Scopus)


Basophils are the rarest granulocytes which represent <1% of peripheral blood leukocytes. Basophils bear several phenotypic similarities to tissue-resident mast cells and therefore had been erroneously considered as blood-circulating mast cells. However, recent researches have revealed that basophils play nonredundant roles in allergic inflammation, protective immunity against parasitic infections and regulation of innate and acquired immunity. Basophils are recruited to inflamed tissues and activated in an IgE-dependent or IgE-independent manner to release a variety of effector molecules. Such molecules, including IL-4, act on various types of cells and play versatile roles, including the induction and termination of allergic inflammation and the regulation of immune responses. Recent development of novel therapeutic agents has enabled us to gain further insights into basophil biology in human disorders. In this review, we highlight the recent advances in the field of basophil biology with a particular focus on the role of basophils in allergic inflammation. Further studies on basophils and their effector molecules will help us identify novel therapeutic targets for treating allergic disorders.

Original languageEnglish
Pages (from-to)1693-1706
Number of pages14
JournalAllergy: European Journal of Allergy and Clinical Immunology
Issue number6
Publication statusPublished - Jun 2021


  • IL-4
  • IgE
  • allergy
  • basophil

ASJC Scopus subject areas

  • Immunology and Allergy
  • Immunology


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