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Essential oil from Chrysanthemum boreale flowers modulates SNARE protein-linked mast cell response and skin barrier proteins and ameliorates atopic dermatitis-like lesions in mice

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Abstract

Chrysanthemum boreale (CB) has diverse properties including anti-inflammatory and anti-tumor effects. Atopic dermatitis (AD) is a chronic inflammatory skin disease, and many attempts have been made to overcome it. However, the effects of CB flower essential oil (CBFEO) on AD has not been determined. This study investigated the potential effect of CBFEO on AD-related pathological events using in vitro and in vivo tests and predicted its related mechanism. CBFEO effects were tested using tumor necrosis factor-α (TNF-α)-treated human keratinocytes (HaCaT cells) and IgE-sensitized RBL-2H3 mast cells in vitro and 2,4-dinitrochlorobenzene (DNCB)-induced AD-like mice in vivo. Proteins were analyzed by immunoprecipitation, immunoblotting, or immunohistochemistry. β-Hexosaminidase and histamine levels were measured by ELISA. Skin lesions were assessed using SCORAD scores. CBFEO reduced histamine and β-hexosaminidase released from mast cells. It also attenuated SNARE (soluble N-ethylmaleimide-sensitive factor activating protein receptor) protein VAMP8 expression and binding of VAMP8 to SNAP23 and syntaxin 4 to SNAP23 in mast cells. In addition, CBFEO inhibited the down-regulation of skin barrier-related proteins (filaggrin and loricrin) by TNF-α in keratinocytes. Application of CBFEO to AD-like skin lesions in DNCB mouse model of AD reduced the severity of dermatitis lesions and the expression levels of filaggrin and loricrin in lesioned skin tissues. These findings suggest that CBFEO inhibits AD-like skin lesions in mice probably by interfering with the SNARE protein-associated mast cell degranulation and by enhancing the expression of skin barrier-related proteins. Therefore, CBFEO may be a potential functional material for AD treatment.

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Acknowledgements

This study was carried out with the support of R&D Program for Forestry Technology (Project No. 2016016B10-1919-AB02 and 2020190B10-2122-BA01) provided by Korea Forest Service (Korea Forestry Promotion Institute).

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HML and DYK projected and designed the study. DYK, DIH and SYL performed experiments and data acquisition. DYK, DIH, SYL and IHC prepared figures. HML, DYK, BK and KJW analyzed and interpreted data. DYK and KJW drafted the manuscript. HML and KJW edited and reviewed the manuscript. All authors have read and approved the final manuscript.

Corresponding author

Correspondence to Hwan Myung Lee.

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The authors declare no conflict of interest.

Statement on the welfare of animals

All animal experiments and procedures in this study were conducted in compliance with the Guide for the Care and Use of Laboratory Animals published by the US National Institutes of Health (NIH publication No. 85–23, revised 2011) and were approved by the Animal Subjects Committee following Institutional Guidelines of Konkuk University (South Korea) (Approval number: KU18203) and conducted according to institutional guidelines.

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Communicated by Sanghyun Lee.

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Kim, D.Y., Won, KJ., Hwang, D.I. et al. Essential oil from Chrysanthemum boreale flowers modulates SNARE protein-linked mast cell response and skin barrier proteins and ameliorates atopic dermatitis-like lesions in mice. Hortic. Environ. Biotechnol. 63, 287–298 (2022). https://doi.org/10.1007/s13580-021-00393-4

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  • DOI: https://doi.org/10.1007/s13580-021-00393-4

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