A common environmental pollutant, 4-nonylphenol, promotes allergic lung inflammation in a murine model of asthma

J. L. Suen, S. H. Hsu, C. H. Hung, Y. S. Chao, C. L. Lee, C. Y. Lin, T. H. Weng, H. S. Yu, S. K. Huang

研究成果: 雜誌貢獻文章

11 引文 (Scopus)

摘要

Background Exposure to environmental hormones, such as alkylphenols, has been suggested to be associated with the development of asthma, but the mechanism of action remains unclear. Objective This study examined the effect of 4-nonylphenol (NP), one of the most important alkylphenols, on conventional dendritic cells (cDCs) and adaptive T-cell responses. It also explored the role of aryl hydrocarbon receptor (AhR) in NP's effect. Methods NP-conditioned bone marrow-derived DCs (BM-DCs) and splenic CD11c+ cDCs were assessed regarding function in a murine model under conditions relevant to route and level of exposure in humans. Results Our results showed that splenic cDCs from NP-exposed mice have potent Th2-skewing ability and secrete increased levels of IL-6 and TNF-α, but not IL-10 and IL-12, at baseline and after stimulation with LPS. Further, bone marrow-derived DCs were cultured in the presence of NP and showed similar cytokine pattern and influenced the antigen-specific T cells secreting significantly less IFN-γ. Importantly, NP-exposed mice developed more severe OVA-induced allergic lung inflammation compared with control group. Interestingly, in a congenic strain of mice carrying low-affinity, ligand-binding mutant AhR (AhRd), NP's effect on DC functions and lung inflammation was not observed in vitro and in vivo. Conclusion These results suggested that NP may disturb physiologic function of DCs through, in part, AhR-dependent mechanisms, supporting the importance of NP exposure on the regulation of DC functions and allergic inflammation.

原文英語
頁(從 - 到)780-787
頁數8
期刊Allergy: European Journal of Allergy and Clinical Immunology
68
發行號6
DOIs
出版狀態已發佈 - 六月 1 2013
對外發佈Yes

指紋

Environmental Pollutants
Pneumonia
Asthma
Aryl Hydrocarbon Receptors
Dendritic Cells
Bone Marrow
Congenic Mice
T-Lymphocytes
Environmental Exposure
Interleukin-12
Interleukin-10
4-nonylphenol
nonylphenol
Interleukin-6
Hormones
Cytokines
Ligands
Inflammation
Antigens
Control Groups

ASJC Scopus subject areas

  • Immunology and Allergy
  • Immunology

引用此文

A common environmental pollutant, 4-nonylphenol, promotes allergic lung inflammation in a murine model of asthma. / Suen, J. L.; Hsu, S. H.; Hung, C. H.; Chao, Y. S.; Lee, C. L.; Lin, C. Y.; Weng, T. H.; Yu, H. S.; Huang, S. K.

於: Allergy: European Journal of Allergy and Clinical Immunology, 卷 68, 編號 6, 01.06.2013, p. 780-787.

研究成果: 雜誌貢獻文章

Suen, J. L. ; Hsu, S. H. ; Hung, C. H. ; Chao, Y. S. ; Lee, C. L. ; Lin, C. Y. ; Weng, T. H. ; Yu, H. S. ; Huang, S. K. / A common environmental pollutant, 4-nonylphenol, promotes allergic lung inflammation in a murine model of asthma. 於: Allergy: European Journal of Allergy and Clinical Immunology. 2013 ; 卷 68, 編號 6. 頁 780-787.
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abstract = "Background Exposure to environmental hormones, such as alkylphenols, has been suggested to be associated with the development of asthma, but the mechanism of action remains unclear. Objective This study examined the effect of 4-nonylphenol (NP), one of the most important alkylphenols, on conventional dendritic cells (cDCs) and adaptive T-cell responses. It also explored the role of aryl hydrocarbon receptor (AhR) in NP's effect. Methods NP-conditioned bone marrow-derived DCs (BM-DCs) and splenic CD11c+ cDCs were assessed regarding function in a murine model under conditions relevant to route and level of exposure in humans. Results Our results showed that splenic cDCs from NP-exposed mice have potent Th2-skewing ability and secrete increased levels of IL-6 and TNF-α, but not IL-10 and IL-12, at baseline and after stimulation with LPS. Further, bone marrow-derived DCs were cultured in the presence of NP and showed similar cytokine pattern and influenced the antigen-specific T cells secreting significantly less IFN-γ. Importantly, NP-exposed mice developed more severe OVA-induced allergic lung inflammation compared with control group. Interestingly, in a congenic strain of mice carrying low-affinity, ligand-binding mutant AhR (AhRd), NP's effect on DC functions and lung inflammation was not observed in vitro and in vivo. Conclusion These results suggested that NP may disturb physiologic function of DCs through, in part, AhR-dependent mechanisms, supporting the importance of NP exposure on the regulation of DC functions and allergic inflammation.",
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T1 - A common environmental pollutant, 4-nonylphenol, promotes allergic lung inflammation in a murine model of asthma

AU - Suen, J. L.

AU - Hsu, S. H.

AU - Hung, C. H.

AU - Chao, Y. S.

AU - Lee, C. L.

AU - Lin, C. Y.

AU - Weng, T. H.

AU - Yu, H. S.

AU - Huang, S. K.

PY - 2013/6/1

Y1 - 2013/6/1

N2 - Background Exposure to environmental hormones, such as alkylphenols, has been suggested to be associated with the development of asthma, but the mechanism of action remains unclear. Objective This study examined the effect of 4-nonylphenol (NP), one of the most important alkylphenols, on conventional dendritic cells (cDCs) and adaptive T-cell responses. It also explored the role of aryl hydrocarbon receptor (AhR) in NP's effect. Methods NP-conditioned bone marrow-derived DCs (BM-DCs) and splenic CD11c+ cDCs were assessed regarding function in a murine model under conditions relevant to route and level of exposure in humans. Results Our results showed that splenic cDCs from NP-exposed mice have potent Th2-skewing ability and secrete increased levels of IL-6 and TNF-α, but not IL-10 and IL-12, at baseline and after stimulation with LPS. Further, bone marrow-derived DCs were cultured in the presence of NP and showed similar cytokine pattern and influenced the antigen-specific T cells secreting significantly less IFN-γ. Importantly, NP-exposed mice developed more severe OVA-induced allergic lung inflammation compared with control group. Interestingly, in a congenic strain of mice carrying low-affinity, ligand-binding mutant AhR (AhRd), NP's effect on DC functions and lung inflammation was not observed in vitro and in vivo. Conclusion These results suggested that NP may disturb physiologic function of DCs through, in part, AhR-dependent mechanisms, supporting the importance of NP exposure on the regulation of DC functions and allergic inflammation.

AB - Background Exposure to environmental hormones, such as alkylphenols, has been suggested to be associated with the development of asthma, but the mechanism of action remains unclear. Objective This study examined the effect of 4-nonylphenol (NP), one of the most important alkylphenols, on conventional dendritic cells (cDCs) and adaptive T-cell responses. It also explored the role of aryl hydrocarbon receptor (AhR) in NP's effect. Methods NP-conditioned bone marrow-derived DCs (BM-DCs) and splenic CD11c+ cDCs were assessed regarding function in a murine model under conditions relevant to route and level of exposure in humans. Results Our results showed that splenic cDCs from NP-exposed mice have potent Th2-skewing ability and secrete increased levels of IL-6 and TNF-α, but not IL-10 and IL-12, at baseline and after stimulation with LPS. Further, bone marrow-derived DCs were cultured in the presence of NP and showed similar cytokine pattern and influenced the antigen-specific T cells secreting significantly less IFN-γ. Importantly, NP-exposed mice developed more severe OVA-induced allergic lung inflammation compared with control group. Interestingly, in a congenic strain of mice carrying low-affinity, ligand-binding mutant AhR (AhRd), NP's effect on DC functions and lung inflammation was not observed in vitro and in vivo. Conclusion These results suggested that NP may disturb physiologic function of DCs through, in part, AhR-dependent mechanisms, supporting the importance of NP exposure on the regulation of DC functions and allergic inflammation.

KW - 4-nonylphenol

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KW - dendritic cell

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