Semin Liver Dis 2002; 22(3): 227-240
DOI: 10.1055/s-2002-34501
Copyright © 2002 by Thieme Medical Publishers, Inc., 333 Seventh Avenue, New York, NY 10001, USA. Tel.: +1(212) 584-4662

Functional Heterogeneity of Cholangiocytes

Marco Marzioni1 , Shannon S. Glaser2 , Heather Francis2 , Jo Lynne Phinizy2 , Gene LeSage3 , Gianfranco Alpini1,3,4
  • 1Medical Physiology, The Texas A&M University System HSC, COM, Temple, Texas
  • 2Division of Research and Education, Scott & White Hospital, Temple Texas
  • 3Department of Internal Medicine, Scott & White Hospital, Temple, Texas
  • 4Internal Medicine and Medical Physiology, The Texas A & M University System HSC, COM and Central Texas Veterans Health Care System, Temple, Texas
Further Information

Publication History

Publication Date:
02 October 2002 (online)

ABSTRACT

The objective of this article is to summarize the findings related to the notion that cholangiocytes, within small and large intrahepatic ducts, are heterogeneous regarding (1) morphology; (2) secretion in response to hormones and peptides and to bile acids; and (3) proliferation in response to injury or toxins, including bile duct ligation (BDL), acute carbon tetrachloride (CCl4) administration, chronic feeding of bile salts (i.e., taurocholate [TC] or taurolithocholate [TLC]) or α-naphthylisothiocyanate (ANIT). After an overview of the morphology of the biliary epithelium, we provide a summary of cholangiocyte function, the in vivo models, and the in vitro experimental tools (i.e., small and large cholangiocytes or small and large intrahepatic bile duct units [IBDU]), which allowed us to demonstrate cholangiocyte heterogeneity. After a discussion on the receptors, transporters, and channels that are heterogeneously expressed by cholangiocytes, we discuss the different-sized ducts that differentially respond to injury and toxins. Finally, we review the human diseases that selectively target specific-sized ducts.

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