Cited by 20T-cell and B-cell ImmunologyDermatology and Skin DiseasesPsoriasis: Treatment and Pathogenesis

A novel humanized mouse model to study the function of human cutaneous memory T cells in vivo in human skin

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Klicznik, Maria M., Benedetti, Ariane, Gail, Laura M., Varkhande, Suraj R., Holly, Raimund, Laimer, Martin, Stoecklinger, Angelika, Sir, Andreas +7 more·2020·Scientific Reports

Published version of a preprint

Abstract

Human skin contains a population of memory T cells that supports tissue homeostasis and provides protective immunity. The study of human memory T cells is often restricted to in vitro studies and to human PBMC serving as primary cell source. Because the tissue environment impacts the phenotype and function of memory T cells, it is crucial to study these cells within their tissue. Here we utilized immunodeficient NOD- scid IL2rγ null (NSG) mice that carried in vivo - generated engineered human skin (ES). ES was generated from human keratinocytes and fibroblasts and was initially devoid of skin-resident immune cells. Upon adoptive transfer of human PBMC, this reductionist system allowed us to study human T cell recruitment from a circulating pool of T cells into non-inflamed human skin in vivo. Circulating human memory T cells preferentially infiltrated ES and showed diverse functional profiles of T cells found in fresh human skin. The chemokine and cytokine microenvironment of ES closely resembled that of non-inflamed human skin. Upon entering the ES T cells assumed a resident memory T cell-like phenotype in the absence of infection, and a proportion of these cutaneous T cells can be locally activated upon injection of monocyte derived dendritic cells (moDCs) that presented Candida albicans . Interestingly, we found that CD69 + memory T cells produced higher levels of effector cytokines in response to Candida albicans , compared to CD69 - T cells. Overall, this model has broad utility in many areas of human skin immunology research, including the study of immune-mediated skin diseases.

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  • The mouse is a standard model for investigating skin development and disease in vivo.

    “The mouse is a standard model for investigating skin development and disease in vivo”

    From Generation and characterization of hair-bearing skin organoids from human pluripotent stem cells (2022) · cites this paper as [13]

    The Introduction says skin-humanized mice are used to study human inflammatory skin conditions in vivo, supporting the disease portion. It does not establish that mice are a standard model for investigating skin development; the model described here is specifically designed to study human cutaneous T cells. (LLM, conf=0.85)

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Research works printed but not linked: 1

  1. Perlman, R. L. Mouse models of human disease. Evol. Med. Public Health 2016, 170–176 (2016).

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Authors
Klicznik, M. M., Benedetti, A., Gail, L. M., Varkhande, S. R., Holly, R., Laimer, M., Stoecklinger, A., Sir, A., Reitsamer, R., Neuper, T., Horejs-Hoeck, J., Rosenblum, M. D., Campbell, D. J., Murauer, E. M., & Gratz, I. K.
Affiliations
  • University of Salzburg (AT)
  • Paracelsus Medical University (AT)
  • University of California, San Francisco (US)
  • University of Washington (US)
Corresponding author
Gratz, Iris K.
Venue
Scientific Reports
Published
2020-07-07
Volume
10
Issue
1
Pages
11164-11164
ISSN
2045-2322 (ISSN-L)
OpenAlex
W3039937420
Cited by
20
References
82
Citations by year
2026: 4 · 2025: 3 · 2023: 1 · 2022: 3 · 2021: 5 · 2020: 4
FWCI
1.14
Type
journal article
Language
en
Open access
Locations
  • Scientific Reports (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
Funders
  • Dystrophic Epidermolysis Bullosa Research Association
  • Österreichischen Akademie der Wissenschaften
  • Austrian Science Fund (W1213)
  • Universität Salzburg
  • Paracelsus Medizinische Privatuniversität
  • DEBRA Austria
  • National Institutes of Health
  • National Institute of Allergy and Infectious Diseases (R01AI127726)
Topics
  • Life Sciences › Immunology and Microbiology › Immunology › T-cell and B-cell Immunology
  • Health Sciences › Medicine › Dermatology › Dermatology and Skin Diseases
  • Life Sciences › Immunology and Microbiology › Immunology › Psoriasis: Treatment and Pathogenesis
Keywords
humanized mice, NSG mice, T cell recruitment, tissue-resident memory T cells, CD69, Candida albicans, skin immunology, immune-mediated skin disease
MeSH terms
Adult, Animals, Candida albicans, Female, Humans, Immunologic Memory, Male, Middle Aged, Skin, T-Lymphocytes, CD4-Positive T-Lymphocytes, Skin Transplantation, Mice, Inbred NOD, Tissue Engineering, Mice, Heterografts

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