Cited by 5Liver physiology and pathologyOrgan Transplantation Techniques and OutcomesTissue Engineering and Regenerative Medicine

The DOI matches its Crossref record; 67 of the 67 references it cites were found in a registry or an index.

Kupffer cells abrogate homing and repopulation of allogeneic hepatic progenitors in injured liver site

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Abstract

Background: Allogeneic hepatocyte transplantation is an emerging approach to treat acute liver defects. However, durable engraftment of the transplanted cells remains a daunting task, as they are actively cleared by the recipient’s immune system. Therefore, a detailed understanding of the innate or adaptive immune cells-derived responses against allogeneic transplanted hepatic cells is the key to rationalize cell-based therapies. Methods: Here, we induced an acute inflammatory regenerative niche (3–96 h) on the surface of the liver by the application of cryo-injury (CI) to systematically evaluate the innate immune response against transplanted allogeneic hepatic progenitors in a sustained micro-inflammatory environment. Results: The resulting data highlighted that the injured site was significantly repopulated by alternating numbers of innate immune cells, including neutrophils, monocytes and Kupffer cells (KCs), from 3 to 96 h. The transplanted allo-HPs, engrafted 6 h post-injury, were collectively eliminated by the innate immune response within 24 h of transplantation. Selective depletion of the KCs demonstrated a delayed recruitment of monocytes from day 2 to day 6. In addition, the intrasplenic engraftment of the hepatic progenitors 54 h post-transplantation was dismantled by KCs, while a time-dependent better survival and translocation of the transplanted cells into the injured site could be observed in samples devoid of KCs. Conclusion: Overall, this study provides evidence that KCs ablation enables a better survival and integration of allo-HPs in a sustained liver inflammatory environment, having implications for rationalizing the cell-based therapeutic interventions against liver defects.

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Metadata

Authors
Abbas, N., You, K., Getachew, A., Wu, F., Hussain, M., Huang, X., Chen, Y., Pan, T., & Li, Y.
Affiliations
  • Chinese Academy of Sciences (CN)
  • University of Alabama at Birmingham (US)
  • New York University (US)
  • Zhujiang Hospital (CN)
Corresponding author
Li, Yinxiong
Venue
Stem Cell Research & Therapy
Published
2024-02-20
Volume
15
Issue
1
Pages
48-48
ISSN
1757-6512 (ISSN-L)
OpenAlex
W4391965420
Cited by
5
References
67
Citations by year
2026: 4 · 2024: 1
FWCI
1.31
Type
journal article
Language
en
Open access
Locations
  • Stem Cell Research & Therapy (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion)
Funders
  • National Key R&D Program of China (2019YFA0111300)
  • China-New Zealand Joint Laboratory on Biomedicine and Health (2022YFE0210600)
  • Guangdong Basic and Applied Basic Research Foundation (2021A1515220095)
  • Guangzhou Science and technology planning project (202102021138)
  • Guangzhou Science and Technology Program (2023B01J1004)
Topics
  • Health Sciences › Medicine › Hepatology › Liver physiology and pathology
  • Health Sciences › Medicine › Surgery › Organ Transplantation Techniques and Outcomes
  • Health Sciences › Medicine › Surgery › Tissue Engineering and Regenerative Medicine
Keywords
Kupffer cells, hepatocyte transplantation, cell engraftment, innate immune response, cryoinjury, liver regeneration, monocytes, neutrophils, Kupffer cell depletion, allogeneic rejection, cell therapy
MeSH terms
Kupffer Cells, Liver, Liver Regeneration, Hematopoietic Stem Cell Transplantation, Hepatocytes

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