Open Access

Therapeutic potential of a systemically applied humanized monoclonal antibody targeting Toll‑like receptor 2 in atopic‑dermatitis‑like skin lesions in a mouse model

  • Authors:
    • Hyunjin Yeo
    • Euitaek Jung
    • Tae Yoon Kim
    • Soon Young Shin
  • View Affiliations

  • Published online on: December 30, 2024     https://doi.org/10.3892/br.2024.1919
  • Article Number: 41
  • Copyright: © Yeo et al. This is an open access article distributed under the terms of Creative Commons Attribution License.

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Abstract

Atopic dermatitis (AD) is a prevalent, persistent inflammatory skin disorder distinguished by pruritic and irritated skin. Toll‑like receptors (TLRs) are specialized receptors that recognize specific patterns associated with pathogens and tissue damage, triggering an innate immune response that protects the host from invading pathogens. Previously, it was demonstrated that intradermal injection of the humanized anti‑TLR2 monoclonal antibody (Ab) Tomaralimab effectively relieved AD‑like skin inflammation in BALB/c mouse models exposed to house dust mite extracts. However, it remains unclear whether allergenic hapten‑induced AD can be effectively treated with systemically administered TLR2‑targeting Abs. In the present study, it was observed that administrating Tomaralimab through intravenous injection alleviated AD‑like skin lesions in BALB/c mice challenged with topical application of 2,4‑dinitrochlorobenzene by reducing the infiltration of inflammatory cells into skin lesions and preventing the creation of various inflammatory cytokines, including thymic stromal lymphopoietin, interleukin (IL)‑4, IL‑13, IL‑17 and IL‑31, which are associated with the pathogenesis of AD. These findings support the feasibility of using a humanized anti‑TLR2 monoclonal Ab as systemic therapy for AD.
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Spandidos Publications style
Yeo H, Jung E, Kim TY and Shin SY: Therapeutic potential of a systemically applied humanized monoclonal antibody targeting Toll‑like receptor 2 in atopic‑dermatitis‑like skin lesions in a mouse model. Biomed Rep 22: 41, 2025.
APA
Yeo, H., Jung, E., Kim, T.Y., & Shin, S.Y. (2025). Therapeutic potential of a systemically applied humanized monoclonal antibody targeting Toll‑like receptor 2 in atopic‑dermatitis‑like skin lesions in a mouse model. Biomedical Reports, 22, 41. https://doi.org/10.3892/br.2024.1919
MLA
Yeo, H., Jung, E., Kim, T. Y., Shin, S. Y."Therapeutic potential of a systemically applied humanized monoclonal antibody targeting Toll‑like receptor 2 in atopic‑dermatitis‑like skin lesions in a mouse model". Biomedical Reports 22.3 (2025): 41.
Chicago
Yeo, H., Jung, E., Kim, T. Y., Shin, S. Y."Therapeutic potential of a systemically applied humanized monoclonal antibody targeting Toll‑like receptor 2 in atopic‑dermatitis‑like skin lesions in a mouse model". Biomedical Reports 22, no. 3 (2025): 41. https://doi.org/10.3892/br.2024.1919