Cited by 145Dermatology and Skin DiseasesContact Dermatitis and AllergiesAdvancements in Transdermal Drug Delivery

Distinct behavior of human Langerhans cells and inflammatory dendritic epidermal cells at tight junctions in patients with atopic dermatitis

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Yoshida, Kazue, Kubo, Akiharu, Fujita, Harumi, Yokouchi, Mariko, Ishii, Ken, Kawasaki, Hiroshi, Nomura, Toshifumi, Shimizu, Hiroshi +4 more·2014·Journal of Allergy and Clinical Immunology

Abstract

Background The stratum corneum and tight junctions (TJs) form physical barriers in the epidermis. Dendrites of activated Langerhans cells (LCs) extend beyond the TJs to capture external antigens in mice. LCs and inflammatory dendritic epidermal cells (IDECs) are observed in the skin of patients with atopic dermatitis (AD). Objective We sought to investigate the characteristics of LCs and IDECs and the distribution of their antigen capture receptors in relation to TJs in normal and AD skin. Methods We characterized the interactions of LCs and IDECs with TJs and the expression patterns of langerin and FcεRI by using whole-mount epidermal sheets from healthy subjects and patients with AD, ichthyosis vulgaris, and psoriasis vulgaris. Results As in mouse skin, activated LCs penetrate TJs in human skin. The number of LCs with TJ penetration increased approximately 5-fold in erythematous lesional skin of patients with AD but not in nonlesional skin of patients with AD or lesions of patients with ichthyosis vulgaris or psoriasis. In contrast, IDECs localized in the lower part of the epidermis, and their dendrites extended horizontally without penetration through TJs. Although langerin accumulated on the tips of dendrites of activated LCs, FcεRI was expressed diffusely on the cell surfaces on LCs and IDECs in lesional skin from patients with AD. Conclusions These findings highlight interesting differences between LCs and IDECs in epidermis of patients with AD, where LCs, but not IDECs, extend dendrites through the TJs, likely to capture antigens from outside the TJ barrier with a polarized distribution of langerin but not FcεRI. These behavioral differences between skin dendritic cells might reflect an important pathophysiology of AD.

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Crossref · 10.1016/j.jaci.2014.08.001

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  • The mammalian skin consists of two sets of barriers: the stratum corneum and tight junctions in the stratum granulosum.

    “The mammalian skin consists of two sets of barriers: one is the stratum corneum and the other is TJs in the stratum granulosum.”
  • The stratum granulosum contains tight junctions that seal intercellular spaces and control the intercellular transport of water, solutes, and water-soluble molecules.

    “The stratum granulosum contains tight junctions (TJs) that seal intercellular spaces and control the intercellular transport of water, solutes, and water-soluble morecules17.”
  • Langerhans cells on the inside of the stratum spinosum can extend their dendrites to outside the tight junctions in the stratum granulosum to capture antigens.

    “LCs on the inside of the stratum spinosum can extend their dendrites to outside the TJs in the stratum granulosum to capture antigens17, 19.”

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Authors
Yoshida, K., Kubo, A., Fujita, H., Yokouchi, M., Ishii, K., Kawasaki, H., Nomura, T., Shimizu, H., Kouyama, K., Ebihara, T., Nagao, K., & Amagai, M.
Affiliations
  • Keio University (JP)
  • Toho University (JP)
  • Hokkaido University (JP)
Corresponding author
Kubo, Akiharu
Venue
Journal of Allergy and Clinical Immunology
Publisher
Elsevier BV
Published
2014-10
Volume
134
Issue
4
Pages
856-864
ISSN
0091-6749 (ISSN-L)
OpenAlex
W2008105086
Cited by
145
References
51
Citations by year
2026: 3 · 2025: 9 · 2024: 13 · 2023: 11 · 2022: 11 · 2021: 11 · 2020: 13 · 2019: 16 · 2018: 13 · 2017: 20 · 2016: 17 · 2015: 6 · 2014: 1
FWCI
16.11
Type
journal article
Language
en
Open access
Locations
  • Journal of Allergy and Clinical Immunology (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • Keio University
  • Ministry of Education, Culture, Sports, Science and Technology
  • Ministry of Health, Labour and Welfare
  • Mochida Memorial Foundation for Medical and Pharmaceutical Research
  • Cosmetology Research Foundation
  • Japan Society for the Promotion of Science (25670507, 26293259, 26893260, 24390152)
Topics
  • Health Sciences › Medicine › Dermatology › Dermatology and Skin Diseases
  • Health Sciences › Medicine › Dermatology › Contact Dermatitis and Allergies
  • Life Sciences › Pharmacology, Toxicology and Pharmaceutics › Pharmaceutical Science › Advancements in Transdermal Drug Delivery
Keywords
Langerhans cells, dendritic epidermal T cells, atopic dermatitis, tight junctions, antigen capture, Langerin, FcεRI, skin barrier, dendritic cell polarization, ichthyosis vulgaris, plaque psoriasis
MeSH terms
Animals, Cell Movement, Cells, Cultured, Dendritic Cells, Dermatitis, Atopic, Epidermis, Humans, Langerhans Cells, Microscopy, Electron, Scanning, Organ Culture Techniques, Psoriasis, Antigens, CD, Ichthyosis Vulgaris, Receptors, IgE, Antigen Presentation, Tight Junctions, Lectins, C-Type, Mannose-Binding Lectins, Mice, Transcriptome

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