Effects of the Th2-dominant milieu on allergic responses in der f 1-activated mouse basophils and mast cells

Myung Hee Yi, Hyoung Pyo Kim, Kyoung Yong Jeong, Ju Yeong Kim, In Yong Lee, Taisoon Yong

Research output: Contribution to journalArticle

Abstract

Although basophils and mast cells share similar phenotypic and functional properties, little is known about the difference in the initial Th2 immune responses of these cells following exposure to proteolytic allergens. Here, we investigated the mechanisms of Th2-mediated immune responses in mouse bone marrow-derived basophils (BMBs) and mast cells (BMMCs) via stimulation with the cysteine protease allergen Der f 1. Our results showed that Th2 cytokines were induced from BMBs by active recombinant Der f 1 (rDer f 1 independently with Toll-like receptor (TLR) 2 and TLR4. Although both BMBs and BMMCs expressed protease-activated receptors on their surfaces, PAR expression following exposure to rDer f 1 was altered only in basophils. G protein-coupled receptors in basophils were found to be associated with interleukin (IL)-4 and IL-13 production from BMBs upon Der f 1 treatment. Secretion of Th2 cytokines from rDer f 1-treated basophils was mediated by G protein βγ and phosphatidylinositol 3-kinase γ through the extracellular signal-regulated kinase and c-Jun N-terminal kinase pathways. These findings provide insights into the roles of cysteine proteases in Th2 immune responses, such as allergic diseases, and improve our understanding of the mechanisms of Th2 cytokine production.

Original languageEnglish
Article number7706
JournalScientific reports
Volume8
Issue number1
DOIs
Publication statusPublished - 2018 Dec 1

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Basophils
Mast Cells
Bone Marrow
Cysteine Proteases
Cytokines
Allergens
Proteinase-Activated Receptors
Phosphatidylinositol 3-Kinase
Toll-Like Receptor 2
Interleukin-13
Dermatophagoides farinae antigen f 1
JNK Mitogen-Activated Protein Kinases
Extracellular Signal-Regulated MAP Kinases
G-Protein-Coupled Receptors
GTP-Binding Proteins
Interleukin-4

All Science Journal Classification (ASJC) codes

  • General

Cite this

Yi, Myung Hee ; Kim, Hyoung Pyo ; Jeong, Kyoung Yong ; Kim, Ju Yeong ; Lee, In Yong ; Yong, Taisoon. / Effects of the Th2-dominant milieu on allergic responses in der f 1-activated mouse basophils and mast cells. In: Scientific reports. 2018 ; Vol. 8, No. 1.
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Effects of the Th2-dominant milieu on allergic responses in der f 1-activated mouse basophils and mast cells. / Yi, Myung Hee; Kim, Hyoung Pyo; Jeong, Kyoung Yong; Kim, Ju Yeong; Lee, In Yong; Yong, Taisoon.

In: Scientific reports, Vol. 8, No. 1, 7706, 01.12.2018.

Research output: Contribution to journalArticle

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