Frontiers in Allergy (Dec 2023)

Evaluation of peripheral basophil activation during exercise provocation test for desensitized patients

  • Jun Kunizaki,
  • Jun Kunizaki,
  • Shiro Sugiura,
  • Akira Sakai,
  • Akira Sakai,
  • Miyuki Teshigawara,
  • Atsushi Makino,
  • Yoshihiro Takasato,
  • Teruaki Matsui,
  • Yasuto Kondo,
  • Komei Ito

DOI
https://doi.org/10.3389/falgy.2023.1298137
Journal volume & issue
Vol. 4

Abstract

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Some food allergic patients who have undergone oral immunotherapy develop exercise-induced allergic reactions on desensitization (EIARDs). This study investigated basophil activation status during the exercise provocation test (EPT) performed to diagnose EIARD. EPT was performed on 20 participants, and in vivo basophil activation status was analyzed using activation markers CD203c and CD63. The results showed that there was no significant difference between EPT-positive and negative subjects for basophil activation status throughout EPT. Consequently, in vivo basophil activation after ingestion of the causative food may not be associated with EIARDs. New tests are desired for predicting EIARDs.

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