Cited by 19Liver Diseases and ImmunityLiver physiology and pathologyPediatric Hepatobiliary Diseases and Treatments

The Emerging Role of Macrophages in Chronic Cholangiopathies Featuring Biliary Fibrosis: An Attractive Therapeutic Target for Orphan Diseases

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Cadamuro, Massimiliano, Girardi, Noemi, Gores, Gregory J., Strazzabosco, Mario, Fabris, Luca·2020·Frontiers in Medicine

Abstract

Cholangiopathies are a heterogeneous group of chronic liver diseases caused by different types of injury targeting the biliary epithelium, such as genetic defects and immune-mediated attacks. Notably, most cholangiopathies are orphan, thereby representing one of the major gaps in knowledge of the modern hepatology. A typical hallmark of disease progression in cholangiopathies is portal scarring, and thus development of effective therapeutic approaches would aim to hinder cellular and molecular mechanisms underpinning biliary fibrogenesis. Recent lines of evidence indicate that macrophages, rather than more conventional cell effectors of liver fibrosis such as hepatic stellate cells and portal fibroblasts, are actively involved in the earliest stages of biliary fibrogenesis by exchanging a multitude of cues with cholangiocytes, which promote their recruitment from the circulating compartment owing to a senescent or an immature epithelial phenotype. Two cholangiopathies, namely primary sclerosing cholangitis and congenital hepatic fibrosis, are paradigmatic of this mechanism. This review summarizes current understandings of the cytokine and extracellular vesicles-mediated communications between cholangiocytes and macrophages typically occurring in the two cholangiopathies to unveil potential novel targets for the treatment of biliary fibrosis.

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Crossref · 10.3389/fmed.2020.00115

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  • Macrophages have emerged as essential players in acute and chronic liver injury and in a wide range of liver diseases including NASH and more recently also PSC.

    “Macrophages have emerged as essential players in acute and chronic liver injury and in a wide range of liver diseases including NASH216 and more recently also PSC.217”

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Authors
Cadamuro, M., Girardi, N., Gores, G. J., Strazzabosco, M., & Fabris, L.
Affiliations
  • University of Padua (IT)
  • Mayo Clinic (US)
  • Yale University (US)
Corresponding author
Fabris, Luca
Venue
Frontiers in Medicine
Published
2020-04-21
Volume
7
Pages
115-115
ISSN
2296-858X (ISSN-L)
OpenAlex
W3015679566
Cited by
19
References
82
Citations by year
2026: 3 · 2025: 2 · 2024: 2 · 2023: 5 · 2022: 2 · 2021: 4 · 2020: 1
FWCI
0.40
Type
journal article
Language
en
Open access
Locations
  • Frontiers in Medicine (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • BOA (University of Milano-Bicocca) (submittedVersion, cc-by)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
  • Padua Research Archive (University of Padova) (submittedVersion, cc-by)
Funders
  • PSC Partners Seeking a Cure
  • National Institutes of Health (RO1DK096096I)
  • Università degli Studi di Padova
Topics
  • Health Sciences › Medicine › Hepatology › Liver Diseases and Immunity
  • Health Sciences › Medicine › Hepatology › Liver physiology and pathology
  • Health Sciences › Medicine › Surgery › Pediatric Hepatobiliary Diseases and Treatments
Keywords
macrophages, biliary fibrosis, primary sclerosing cholangitis, congenital hepatic fibrosis, cholangiocytes, macrophage recruitment, extracellular vesicles, cytokines, rare diseases, therapeutic target, liver fibrosis

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