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International Journal of Cancer
Article . 2023 . Peer-reviewed
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Transient Kupffer cell depletion and subsequent replacement by infiltrating monocyte‐derived cells does not alter the induction or progression of hepatocellular carcinoma

Authors: Bart Vanderborght; Kevin De Muynck; Eva Gijbels; Sander Lefere; Charlotte L. Scott; Martin Guilliams; Alain Beschin; +5 Authors

Transient Kupffer cell depletion and subsequent replacement by infiltrating monocyte‐derived cells does not alter the induction or progression of hepatocellular carcinoma

Abstract

AbstractDue to a combination of rapid disease progression and the lack of curative treatment options, hepatocellular carcinoma (HCC) is one of the deadliest cancers worldwide. Infiltrated, monocyte‐derived, tumor‐associated macrophages are known to play a role in HCC pathogenesis, but the involvement of Kupffer cells (KCs) remains elusive. Here, we used the Clec4F‐diphteria toxin receptor transgenic mouse model to specifically investigate the effect of KC depletion on HCC initiation, progression and neoplastic growth following liver resection. For this purpose, several HCC mouse models with varying underlying etiologies were used and partial hepatectomy was performed. Our results show that in HCC, developed on a fibrotic or non‐alcoholic steatohepatitis background, depletion of embryonic KCs at the onset of HCC induction and the subsequent replacement by monocyte‐derived KCs does not affect the tumor burden, tumor microenvironment or the phenotype of isolated KCs at end‐stage disease. In non‐chronic liver disease‐associated diethylnitrosamine‐induced HCC, ablation of Clec4F+ KCs did not alter tumor progression or neoplastic growth following liver resection. Our results show that temporal ablation of resident KCs does not impact HCC pathogenesis, neither in the induction phase nor in advanced disease, and indicate that bone marrow‐derived KCs are able to swiftly repopulate the available KC niche and adopt their phenotype.

Keywords

Male, mice, Carcinoma, Hepatocellular, Monocytes/pathology, Kupffer Cells, Carcinogenesis, Carcinoma, Hepatocellular/pathology, Liver Neoplasms, non-alcoholic fatty liver disease, Mice, Transgenic, Liver Neoplasms/pathology, Monocyte-Macrophage Precursor Cells, Mice, Inbred C57BL, Disease Models, Animal, Mice, Liver Neoplasms, Experimental, Kupffer Cells/pathology, Tumor-Associated Macrophages, Disease Progression, Animals, Liver/pathology, TUMOR MICROENVIRONMENT

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    influence
    This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
9
Top 10%
Average
Top 10%
Green
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Cancer Research