Dynamic plasticity of macrophage functions in diseased liver

Thomas Ritz, Oliver Krenkel, Frank Tacke

Research output: Contribution to journalArticlepeer-review

29 Scopus citations

Abstract

Liver macrophages attract increasing interest due to their crucial roles in homeostasis and hepatic diseases. Recent findings in mice and man suggest a remarkable phenotypic and functional diversity of liver macrophages. Kupffer cells, the subset of tissue resident macrophages with sentinel functions in liver, mainly arise from embryogenic precursors, whereas in injury, liver tissue is engrafted by monocyte-derived macrophages. Both principal macrophage populations respond to local or systemic signals and have substantial effects on reduction as well as aggravation of hepatic diseases. Despite contrasting functions of heterogeneous macrophage subsets in disease progression and regression, they may provide promising targets for novel therapeutic interventions in hepatology. Areas of intense research include their multifaceted roles in metabolic diseases (non-alcoholic steatohepatitis, NASH), fibrosis or liver cancer (hepatocellular or cholangiocellular carcinoma, HCC or CCA). We discuss recent findings on the origin, diversity and functional plasticity of liver macrophages in homeostasis and hepatic disease conditions.

Original languageEnglish
Pages (from-to)175-182
Number of pages8
JournalCellular Immunology
Volume330
DOIs
StatePublished - Aug 2018
Externally publishedYes

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