Inhibition of mite‐induced dermatitis, pruritus, and nerve sprouting in mice by the endothelin receptor antagonist bosentan

Makiko Kido‐Nakahara; Bing Wang; Fumitaka Ohno; Gaku Tsuji; Dugarmaa Ulzii; Masaki Takemura; Masutaka Furue; T. Nakahara

doi:10.1111/all.14451

journal article Jul 16, 2020

Inhibition of mite‐induced dermatitis, pruritus, and nerve sprouting in mice by the endothelin receptor antagonist bosentan

Makiko Kido‐Nakahara

Bing Wang

Fumitaka Ohno Gaku Tsuji

Dugarmaa Ulzii Masaki Takemura Masutaka Furue

T. Nakahara

Allergy Vol. 76 No. 1 pp. 291-301 · Wiley

View at Publisher Save 10.1111/all.14451

Abstract

AbstractBackgroundEndothelin‐1 (EDN1) can evoke histamine‐independent pruritus in mammals and is upregulated in the lesional epidermis of atopic dermatitis (AD). EDN1 increases the production of interleukin 25 (IL‐25) from keratinocytes to accelerate T helper type 2 immune deviation. Plasma EDN1 levels are positively correlated with the clinical severity and itch intensity of AD. Therefore, we hypothesized that the inhibition of EDN1 might be useful for treating atopic inflammation and itch and investigated the effects of the topical application of the EDN1 receptor antagonist bosentan on the skin inflammation and itch in a murine AD model.MethodsWe analyzed the mite‐induced AD‐like NC/Nga murine model, which was topically applied with bosentan or ethanol control every day for 3 weeks. We also subjected in vitro primary sensory neuron culture systems to nerve elongation and branching assays after EDN1 stimulation.ResultsTopical application of bosentan significantly attenuated the development of mite‐induced AD‐like skin inflammation, dermatitis scores, ear thickness, scratching bouts, and serum level of thymus and activation‐regulated chemokine in NC/Nga mice. Bosentan application also significantly reduced the gene expression of Il13, Il17, and Ifng in the treated lesions. Histologically, the number of infiltrated dermal cells, the epidermal EDN1 expression, and the number of intraepidermal nerve fibers were significantly inhibited upon bosentan application. While EDN1 significantly elongated the neurites of dorsal root ganglion cells in a dose‐ and time‐dependent manner, bosentan treatment attenuated this.ConclusionsEDN1 plays a significant role in mite‐induced inflammation and itch. Topical bosentan is a potential protective candidate for AD.

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Details

Published: Jul 16, 2020
Vol/Issue: 76(1)
Pages: 291-301
License: View

Authors

M

Makiko Kido‐Nakahara

Department of Dermatology Graduate School of Medical Sciences Kyushu University Fukuoka Japan

B

Bing Wang

Department of Dermatology Graduate School of Medical Sciences Kyushu University Fukuoka Japan

F

Fumitaka Ohno

Department of Dermatology Graduate School of Medical Sciences Kyushu University Fukuoka Japan

G

Gaku Tsuji

Department of Dermatology Graduate School of Medical Sciences Kyushu University Fukuoka Japan; Research and Clinical Center for Yusho and Dioxin Kyushu University Hospital Fukuoka Japan

D

Dugarmaa Ulzii

Department of Dermatology Graduate School of Medical Sciences Kyushu University Fukuoka Japan; Department of Dermatology National Dermatology Center of Mongolia Ulaanbaatar Mongolia

M

Masaki Takemura

Department of Dermatology Graduate School of Medical Sciences Kyushu University Fukuoka Japan

M

Masutaka Furue

Department of Dermatology Graduate School of Medical Sciences Kyushu University Fukuoka Japan; Research and Clinical Center for Yusho and Dioxin Kyushu University Hospital Fukuoka Japan; Division of Skin Surface Sensing Graduate School of Medical Sciences Kyushu University Fukuoka Japan

T

T. Nakahara

Department of Dermatology Graduate School of Medical Sciences Kyushu University Fukuoka Japan; Division of Skin Surface Sensing Graduate School of Medical Sciences Kyushu University Fukuoka Japan

Cite This Article

Makiko Kido‐Nakahara, Bing Wang, Fumitaka Ohno, et al. (2020). Inhibition of mite‐induced dermatitis, pruritus, and nerve sprouting in mice by the endothelin receptor antagonist bosentan. Allergy, 76(1), 291-301. https://doi.org/10.1111/all.14451

Inhibition of mite‐induced dermatitis, pruritus, and nerve sprouting in mice by the endothelin receptor antagonist bosentan

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