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Inhibitory Effects and Potential Mechanism of Yokukansankachimpihange on SDS-induced Itch-associated Responses in Mice

Received: 9 September 2021    Accepted: 12 October 2021    Published: 28 October 2021
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Abstract

Yokukansankachimpihange (YKSCH) is a Chinese formula proven in Japan to be an effective treatment for pruritus in patients with atopic dermatitis or chronic urticaria and dry eczema with psychoneurotic symptoms, such as insomnia. Sodium dodecyl sulfate (SDS) may cause skin irritation in both humans and animals. Adverse effects, such as skin dryness, barrier destruction, dermatitis, and pruritus, developed following the repeated application of 10% SDS to a local site. Therefore, the present study investigated the antipruritic effects of YKSCH on skin irritation induced by a repeated SDS stimulation in mice and attempted to elucidate the underlying mechanism of action. ICR mice were stimulated with 10% SDS and co-treated with oral YKSCH extract for four days. Only oral YKSCH extract was administered on the fifth day. Scratching behavior was observed 24 h after the last application of SDS. Intraepidermal nerve growth was investigated by an immunofluorescence analysis. NGF concentrations in the epidermis were measured using an enzyme-linked immunosorbent assay. The expression of amphiregulin (Areg) and semaphorin 3A (Sema3A) was assessed by quantitative real-time PCR. The oral administration of YKSCH (200-400 mg/kg) dose-dependently suppressed pruritus, significantly reduced intraepidermal nerve growth, and down-regulated epidermal Areg mRNA expression in SDS-treated mice. These results suggest that YKSCH exerts antipruritic effects against SDS-induced pruritus in mice. The mechanism of action of YKSCH may involve reductions in intraepidermal nerve density due to the down-regulated expression of Areg.

Published in Journal of Drug Design and Medicinal Chemistry (Volume 7, Issue 4)
DOI 10.11648/j.jddmc.20210704.11
Page(s) 54-60
Creative Commons

This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.

Copyright

Copyright © The Author(s), 2024. Published by Science Publishing Group

Keywords

Yokukansankachimpihange, Itch, Intraepidermal Nerve Density, Nerve Growth Factor, Semaphorin 3A, Amphiregulin

References
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    Qun Zhang, Tomoyo Imamura, Shota Yoshida, Li-Kun Han, Seiwa Michihara, et al. (2021). Inhibitory Effects and Potential Mechanism of Yokukansankachimpihange on SDS-induced Itch-associated Responses in Mice. Journal of Drug Design and Medicinal Chemistry, 7(4), 54-60. https://doi.org/10.11648/j.jddmc.20210704.11

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    ACS Style

    Qun Zhang; Tomoyo Imamura; Shota Yoshida; Li-Kun Han; Seiwa Michihara, et al. Inhibitory Effects and Potential Mechanism of Yokukansankachimpihange on SDS-induced Itch-associated Responses in Mice. J. Drug Des. Med. Chem. 2021, 7(4), 54-60. doi: 10.11648/j.jddmc.20210704.11

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    AMA Style

    Qun Zhang, Tomoyo Imamura, Shota Yoshida, Li-Kun Han, Seiwa Michihara, et al. Inhibitory Effects and Potential Mechanism of Yokukansankachimpihange on SDS-induced Itch-associated Responses in Mice. J Drug Des Med Chem. 2021;7(4):54-60. doi: 10.11648/j.jddmc.20210704.11

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  • @article{10.11648/j.jddmc.20210704.11,
      author = {Qun Zhang and Tomoyo Imamura and Shota Yoshida and Li-Kun Han and Seiwa Michihara and Ryuji Takahashi},
      title = {Inhibitory Effects and Potential Mechanism of Yokukansankachimpihange on SDS-induced Itch-associated Responses in Mice},
      journal = {Journal of Drug Design and Medicinal Chemistry},
      volume = {7},
      number = {4},
      pages = {54-60},
      doi = {10.11648/j.jddmc.20210704.11},
      url = {https://doi.org/10.11648/j.jddmc.20210704.11},
      eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.jddmc.20210704.11},
      abstract = {Yokukansankachimpihange (YKSCH) is a Chinese formula proven in Japan to be an effective treatment for pruritus in patients with atopic dermatitis or chronic urticaria and dry eczema with psychoneurotic symptoms, such as insomnia. Sodium dodecyl sulfate (SDS) may cause skin irritation in both humans and animals. Adverse effects, such as skin dryness, barrier destruction, dermatitis, and pruritus, developed following the repeated application of 10% SDS to a local site. Therefore, the present study investigated the antipruritic effects of YKSCH on skin irritation induced by a repeated SDS stimulation in mice and attempted to elucidate the underlying mechanism of action. ICR mice were stimulated with 10% SDS and co-treated with oral YKSCH extract for four days. Only oral YKSCH extract was administered on the fifth day. Scratching behavior was observed 24 h after the last application of SDS. Intraepidermal nerve growth was investigated by an immunofluorescence analysis. NGF concentrations in the epidermis were measured using an enzyme-linked immunosorbent assay. The expression of amphiregulin (Areg) and semaphorin 3A (Sema3A) was assessed by quantitative real-time PCR. The oral administration of YKSCH (200-400 mg/kg) dose-dependently suppressed pruritus, significantly reduced intraepidermal nerve growth, and down-regulated epidermal Areg mRNA expression in SDS-treated mice. These results suggest that YKSCH exerts antipruritic effects against SDS-induced pruritus in mice. The mechanism of action of YKSCH may involve reductions in intraepidermal nerve density due to the down-regulated expression of Areg.},
     year = {2021}
    }
    

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  • TY  - JOUR
    T1  - Inhibitory Effects and Potential Mechanism of Yokukansankachimpihange on SDS-induced Itch-associated Responses in Mice
    AU  - Qun Zhang
    AU  - Tomoyo Imamura
    AU  - Shota Yoshida
    AU  - Li-Kun Han
    AU  - Seiwa Michihara
    AU  - Ryuji Takahashi
    Y1  - 2021/10/28
    PY  - 2021
    N1  - https://doi.org/10.11648/j.jddmc.20210704.11
    DO  - 10.11648/j.jddmc.20210704.11
    T2  - Journal of Drug Design and Medicinal Chemistry
    JF  - Journal of Drug Design and Medicinal Chemistry
    JO  - Journal of Drug Design and Medicinal Chemistry
    SP  - 54
    EP  - 60
    PB  - Science Publishing Group
    SN  - 2472-3576
    UR  - https://doi.org/10.11648/j.jddmc.20210704.11
    AB  - Yokukansankachimpihange (YKSCH) is a Chinese formula proven in Japan to be an effective treatment for pruritus in patients with atopic dermatitis or chronic urticaria and dry eczema with psychoneurotic symptoms, such as insomnia. Sodium dodecyl sulfate (SDS) may cause skin irritation in both humans and animals. Adverse effects, such as skin dryness, barrier destruction, dermatitis, and pruritus, developed following the repeated application of 10% SDS to a local site. Therefore, the present study investigated the antipruritic effects of YKSCH on skin irritation induced by a repeated SDS stimulation in mice and attempted to elucidate the underlying mechanism of action. ICR mice were stimulated with 10% SDS and co-treated with oral YKSCH extract for four days. Only oral YKSCH extract was administered on the fifth day. Scratching behavior was observed 24 h after the last application of SDS. Intraepidermal nerve growth was investigated by an immunofluorescence analysis. NGF concentrations in the epidermis were measured using an enzyme-linked immunosorbent assay. The expression of amphiregulin (Areg) and semaphorin 3A (Sema3A) was assessed by quantitative real-time PCR. The oral administration of YKSCH (200-400 mg/kg) dose-dependently suppressed pruritus, significantly reduced intraepidermal nerve growth, and down-regulated epidermal Areg mRNA expression in SDS-treated mice. These results suggest that YKSCH exerts antipruritic effects against SDS-induced pruritus in mice. The mechanism of action of YKSCH may involve reductions in intraepidermal nerve density due to the down-regulated expression of Areg.
    VL  - 7
    IS  - 4
    ER  - 

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Author Information
  • Kampo Research Laboratories, Kracie Pharma, Ltd., 3-1 Kanebo-machi, Takaoka, Toyama, Japan

  • Kampo Research Laboratories, Kracie Pharma, Ltd., 3-1 Kanebo-machi, Takaoka, Toyama, Japan

  • Kampo Research Laboratories, Kracie Pharma, Ltd., 3-1 Kanebo-machi, Takaoka, Toyama, Japan

  • Kampo Research Laboratories, Kracie Pharma, Ltd., 3-1 Kanebo-machi, Takaoka, Toyama, Japan

  • Kampo Research Laboratories, Kracie Pharma, Ltd., 3-1 Kanebo-machi, Takaoka, Toyama, Japan

  • Kampo Research Laboratories, Kracie Pharma, Ltd., 3-1 Kanebo-machi, Takaoka, Toyama, Japan

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