Cited by 74T-cell and B-cell ImmunologyChemokine receptors and signalingPsoriasis: Treatment and Pathogenesis

CCR10 Is Important for the Development of Skin-Specific γδT Cells by Regulating Their Migration and Location

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Jin, Yan, Xia, Mingcan, Sun, Allen, Saylor, Christina M, Xiong, Na·2010·The Journal of Immunology

Abstract

Unlike conventional αβ T cells, which preferentially reside in secondary lymphoid organs for adaptive immune responses, various subsets of unconventional T cells, such as the γδ T cells with innate properties, preferentially reside in epithelial tissues as the first line of defense. However, mechanisms underlying their tissue-specific development are not well understood. We report in this paper that among different thymic T cell subsets fetal thymic precursors of the prototypic skin intraepithelial Vγ3+ T lymphocytes (sIELs) were selected to display a unique pattern of homing molecules, including a high level of CCR10 expression that was important for their development into sIELs. In fetal CCR10-knockout mice, the Vγ3+ sIEL precursors developed normally in the thymus but were defective in migrating into the skin. Although the earlier defect in skin-seeding by sIEL precursors was partially compensated for by their normal expansion in the skin of adult CCR10-knockout mice, the Vγ3+ sIELs displayed abnormal morphology and increasingly accumulated in the dermal region of the skin. These findings provide definite evidence that CCR10 is important in sIEL development by regulating the migration of sIEL precursors and their maintenance in proper regions of the skin and support the notion that unique homing properties of different thymic T cell subsets play an important role in their peripheral location.

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  • Homozygous CCR10-KO/EGFP-KI mice have dysregulated skin-resident T cells compared to heterozygous mice, characterized mostly by reduction of CD8+ and CD4+ αβT cells but not IL-17A+ αβT or γδT cells.

    “Homozygous CCR10-KO/EGFP-KI (CCR10EGFP/EGFP, or CCR10−/− for simplicity) mice have dysregulated skin-resident T cells compared to heterozygous CCR10-KO/EGFP-KI (CCR10+/EGFP or CCR10+/−) mice, characterized mostly by the reduction of CD8+ and CD4+ αβT cells but not IL-17A+ αβT or γδT cells.20,22,23”

    From Skin-resident T cells play an important role in controlling skin colonization of Candidozyma (Candida) auris (2026) · cites this paper as [22]

    The Results sections on defective sIEL development and dermal accumulation report fewer epidermal Vγ3+ γδ T cells in CCR10-knockout mice and altered distribution of those cells within the skin—the opposite of the claim that γδ T cells were not reduced or dysregulated. The comparisons reported there are with wild-type controls, not heterozygous mice; these passages do not establish the claimed predominant loss of CD4+ and CD8+ αβ T cells. (LLM, conf=0.88)

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Authors
Jin, Y., Xia, M., Sun, A., Saylor, C. M., & Xiong, N.
Affiliations
Pennsylvania State University (US)
Corresponding author
Xiong, Na
Venue
The Journal of Immunology
Published
2010-11
Volume
185
Issue
10
Pages
5723-5731
ISSN
  • 0022-1767 (ISSN-L)
  • 1550-6606
OpenAlex
W2157669539
Cited by
74
References
46
Citations by year
2026: 3 · 2025: 4 · 2024: 5 · 2023: 5 · 2022: 7 · 2021: 2 · 2020: 13 · 2019: 1 · 2018: 2 · 2017: 3 · 2016: 6 · 2015: 3 · 2014: 3 · 2013: 6 · 2012: 5
FWCI
2.34
Type
journal article
Language
en
Open access
Locations
  • The Journal of Immunology (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
National Institute of Allergy and Infectious Diseases (R01AI071043)
Topics
  • Life Sciences › Immunology and Microbiology › Immunology › T-cell and B-cell Immunology
  • Health Sciences › Medicine › Oncology › Chemokine receptors and signaling
  • Life Sciences › Immunology and Microbiology › Immunology › Psoriasis: Treatment and Pathogenesis
Keywords
CCR10, γδ T cells, thymic selection, T cell migration, skin colonization
MeSH terms
Animals, Cell Differentiation, Cell Movement, Cell Separation, Flow Cytometry, Microscopy, Fluorescence, Skin, T-Lymphocyte Subsets, Receptors, Antigen, T-Cell, gamma-delta, Mice, Knockout, Reverse Transcriptase Polymerase Chain Reaction, Mice, Receptors, CCR10

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