Cited by 134Liver physiology and pathologyOrgan Transplantation Techniques and OutcomesT-cell and B-cell Immunology

Longevity and replenishment of human liver-resident memory T cells and mononuclear phagocytes

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Pallett, Laura J., Burton, Alice R., Amin, Oliver E., Rodriguez-Tajes, Sergio, Patel, Amit A., Zakeri, Nekisa, Jeffery-Smith, Anna, Swadling, Leo +12 more·2020·Journal of Experimental Medicine

Abstract

The human liver contains specialized subsets of mononuclear phagocytes (MNPs) and T cells, but whether these have definitive features of tissue residence (long-term retention, lack of egress) and/or can be replenished from the circulation remains unclear. Here we addressed these questions using HLA-mismatched liver allografts to discriminate the liver-resident (donor) from the infiltrating (recipient) immune composition. Allografts were rapidly infiltrated by recipient leukocytes, which recapitulated the liver myeloid and lymphoid composition, and underwent partial reprogramming with acquisition of CD68/CD206 on MNPs and CD69/CD103 on T cells. The small residual pool of donor cells persisting in allografts for over a decade contained CX3CR1hi/CD163hi/CD206hi Kupffer cells (KCs) and CXCR3hi tissue-resident memory T cells (TRM). CD8+ TRM were found in the local lymph nodes but were not detected egressing into the hepatic vein. Our findings inform organ transplantation and hepatic immunotherapy, revealing remarkably long-lived populations of KCs and TRM in human liver, which can be additionally supplemented by their circulating counterparts.

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Crossref · 10.1084/jem.20200050

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  • Their constant presence within the liver is not mere confinement; it is a strategic placement, ensuring they are the frontline defence against pathogens and tissue damage.

    “Their constant presence within the liver is not mere confinement; it is a strategic placement, ensuring they are the frontline defence against pathogens and tissue damage(108-110).”

    From The liver as a central "hub" of the immune system: pathophysiological implications (2025) · cites this paper as [109]

    The Introduction calls liver-resident immune cells “frontline human liver sentinels” and describes tissue-resident T cells as important for pathogen surveillance. The Results and discussion also link their longevity to sustained surveillance of residual virus or tumor. The paper does not establish that their placement is a defense against tissue damage; it instead discusses preserving organ integrity while recognizing that immune responses can be pathogenic. Page numbers are unavailable in our copy. (LLM, conf=0.83)

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Authors
Pallett, L. J., Burton, A. R., Amin, O. E., Rodriguez-Tajes, S., Patel, A. A., Zakeri, N., Jeffery-Smith, A., Swadling, L., Schmidt, N. M., Baiges, A., Gander, A., Yu, D., Nasralla, D., Froghi, F., Iype, S., Davidson, B. R., Thorburn, D., Yona, S., Forns, X., & Maini, M. K.
Affiliations
  • University College London (GB)
  • Liver Unit, Hospital Clinic, August Pi i Sunyer Biomedical Research Institute (IDIBAPS) and Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBEREHD), University of Barcelona, Barcelona, Spain 2
  • Queen Mary University of London (GB)
  • Hospital Clínic de Barcelona (ES)
  • The Royal Free Hospital (GB)
  • Hebrew University of Jerusalem (IL)
Corresponding author
Maini, Mala K.
Venue
Journal of Experimental Medicine
Published
2020-06-30
Volume
217
Issue
9
ISSN
  • 0022-1007 (ISSN-L)
  • 1540-9538
OpenAlex
W3039622640
Cited by
134
References
41
Citations by year
2026: 22 · 2025: 19 · 2024: 25 · 2023: 21 · 2022: 27 · 2021: 15 · 2020: 5
FWCI
10.00
Type
journal article
Language
en
Open access
Locations
  • The Journal of Experimental Medicine (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • UCL Discovery (University College London) (submittedVersion)
Funders
  • Wellcome Trust
  • Cancer Research UK
  • Medical Research Foundation
  • Instituto de Salud Carlos III (CM17/00015)
  • Catalonian Society of Digestology
  • Hospital Clínic de Barcelona
  • ISCIII-Subdirección General de Evaluación (PI18/00079)
  • Ministry of Economy and Competitiveness
  • European Fund of Regional Development
  • European Commission
  • Secretaria d’Universitats I Recerca del Departament d’Economia i Coneixement (2017_SGR_1753)
Topics
  • Health Sciences › Medicine › Hepatology › Liver physiology and pathology
  • Health Sciences › Medicine › Surgery › Organ Transplantation Techniques and Outcomes
  • Life Sciences › Immunology and Microbiology › Immunology › T-cell and B-cell Immunology
Keywords
tissue-resident memory T cells, Kupffer cells, mononuclear phagocytes, liver allograft, HLA-mismatched transplantation, CX3CR1, CXCR3, organ transplantation
MeSH terms
Histocompatibility Testing, Humans, Immunologic Memory, Liver, Lymph Nodes, Phagocytes, Phenotype, Tissue Donors, Leukocyte Common Antigens, CD8-Positive T-Lymphocytes, Myeloid Cells, Allografts

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