期刊
DISEASE MODELS & MECHANISMS
卷 14, 期 9, 页码 -出版社
COMPANY BIOLOGISTS LTD
DOI: 10.1242/dmm.048413
关键词
Bile duct; Cholangiocyte; Liver; Notch
资金
- Cancer Research UK [C52499/A27948]
The Notch signaling pathway is crucial for cell-cell communication, cellular proliferation, and fate specification. In the vertebrate liver, a lack of Notch signaling leads to failure in bile duct formation, resulting in cholestasis and requiring liver transplantation.
The Notch signaling pathway is an evolutionarily conserved mechanism of cell-cell communication that mediates cellular proliferation, cell fate specification, and maintenance of stem and progenitor cell populations. In the vertebrate liver, an absence of Notch signaling results in failure to form bile ducts, a complex tubular network that radiates throughout the liver, which, in healthy individuals, transports bile from the liver into the bowel. Loss of a functional biliary network through congenital malformations during development results in cholestasis and necessitates liver transplantation. Here, we examine to what extent Notch signaling is necessary throughout embryonic life to initiate the proliferation and specification of biliary cells and concentrate on the animal and human models that have been used to define how perturbations in this signaling pathway result in developmental liver disorders.
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