期刊
JHEP REPORTS
卷 3, 期 2, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.jhepr.2021.100226
关键词
Biliary tract cancers; Cholangiocarcinoma; Cell of origin; Genomics; Lineage tracing; Personalized therapy
资金
- German Research Foundation [DFG: HA 8754/1-1]
- Tisch Cancer Institute
- Dr. Franklin M. Klion Young Scientist Research Award
- PhD Scientist Innovative Research Award
Biliary tract cancers (BTCs) are aggressive epithelial malignancies with rising incidence and mortality rates, emphasizing the need for improved diagnostic and therapeutic strategies. BTCs exhibit high inter- and intra-tumour heterogeneity at both morphological and molecular levels. Recent research has focused on histopathological subtyping and the cell of origin of these tumors, highlighting distinct molecular alterations and potential cells of origin.
Biliary tract cancers (BTCs) are aggressive epithelial malignancies that can arise at any point of the biliary tree. Albeit rare, their incidence and mortality rates have been rising steadily over the past 40 years, highlighting the need to improve current diagnostic and therapeutic strategies. BTCs show high inter-and intra-tumour heterogeneity both at the morphological and molecular level. Such complex heterogeneity poses a substantial obstacle to effective interventions. It is widely accepted that the observed heterogeneity may be the result of a complex interplay of different elements, including risk factors, distinct molecular alterations and multiple potential cells of origin. The use of genetic lineage tracing systems in experimental models has identified cholangiocytes, hepatocytes and/or progenitor-like cells as the cells of origin of BTCs. Genomic evidence in support of the distinct cell of origin hypotheses is growing. In this review, we focus on recent advances in the histopathological subtyping of BTCs, discuss current genomic evidence and outline lineage tracing studies that have contributed to the current knowledge surrounding the cell of origin of these tumours. (C) 2021 The Author(s). Published by Elsevier B.V. on behalf of European Association for the Study of the Liver (EASL).
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