Cited by 38Pediatric Hepatobiliary Diseases and TreatmentsLiver Diseases and ImmunityLiver physiology and pathology

Cytokine‐Producing B Cells Promote Immune‐Mediated Bile Duct Injury in Murine Biliary Atresia

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Bednarek, Joseph, Traxinger, Brianna, Brigham, Dania, Roach, Jonathan, Orlicky, David, Wang, Dong, Pelanda, Roberta, Mack, Cara L.·2018·Hepatology

Abstract

Biliary atresia (BA) is a neonatal T cell–mediated, inflammatory, sclerosing cholangiopathy. In the rhesus rotavirus (RRV)–induced neonatal mouse model of BA (murine BA), mice lacking B cells do not develop BA, and the lack of B cells is associated with loss of T‐cell and macrophage activation. The aim of this study was to determine the mechanism of B cell–mediated immune activation (antigen presentation versus cytokine production) in murine BA. Normal neonatal B cells in the liver are predominantly at pro‐B and pre‐B cellular development. However, BA mice exhibit a significant increase in the number and activation status of mature liver B cells. Adoptively transferred B cells into RRV‐infected, B cell–deficient mice were able to reinstate T‐cell and macrophage infiltration and biliary injury. Nonetheless, neonatal liver B cells were incompetent at antigen presentation to T cells. Moreover, 3‐83 immunoglobulin transgenic mice, in which B cells only present an irrelevant antigen, developed BA, indicating a B‐cell antigen–independent mechanism. B cells from BA mice produced a variety of innate and adaptive immune cytokines associated with immune activation. In vitro trans‐well studies revealed that BA B cells secreted cytokines that activated T cells based on increased expression of T‐cell activation marker cluster of differentiation 69. Conclusion : Neonatal liver B cells are highly activated in murine BA and contribute to immune activation through production of numerous cytokines involved in innate and adaptive immunity; this work provides increased knowledge on the capacity of neonatal B cells to contribute to an inflammatory disease through cytokine‐mediated mechanisms, and future studies should focus on targeting B cells as a therapeutic intervention in human BA.

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Authors
Bednarek, J., Traxinger, B., Brigham, D., Roach, J., Orlicky, D., Wang, D., Pelanda, R., & Mack, C. L.
Affiliations
  • Department of Pediatrics,Section of Gastroenterology, Hepatology and Nutrition,Aurora,CO
  • University of Colorado Anschutz (US)
Corresponding author
Mack, Cara L.
Venue
Hepatology
Published
2018-07-10
Volume
68
Issue
5
Pages
1890-1904
ISSN
  • 0270-9139 (ISSN-L)
  • 1527-3350
OpenAlex
W2801009360
Cited by
38
References
50
Citations by year
2026: 3 · 2025: 3 · 2024: 7 · 2023: 5 · 2022: 8 · 2021: 4 · 2020: 4 · 2019: 4
FWCI
3.12
Type
journal article
Language
en
Open access
Locations
  • Hepatology (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • National Institute of Allergy and Infectious Diseases (R01AI052310)
  • National Institute of Diabetes and Digestive and Kidney Diseases (R01DK094937, T32DK067009)
Topics
  • Health Sciences › Medicine › Surgery › Pediatric Hepatobiliary Diseases and Treatments
  • Health Sciences › Medicine › Hepatology › Liver Diseases and Immunity
  • Health Sciences › Medicine › Hepatology › Liver physiology and pathology
Keywords
biliary atresia, B cells, cytokine production, rhesus rotavirus, neonatal liver, antigen presentation, T cell activation, macrophage activation, CD69, B cell-deficient mice, cholangiopathy
MeSH terms
Adolescent, Animals, Animals, Newborn, B-Lymphocytes, Bile Ducts, Biliary Atresia, Child, Child, Preschool, Disease Models, Animal, Enzyme-Linked Immunosorbent Assay, Flow Cytometry, Humans, Immunohistochemistry, Liver, Mice, Inbred BALB C, Spleen, Cytokines, Sequence Analysis, RNA, Cell Culture Techniques, Mice, Adaptive Immunity

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