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Intrahepatic Cholangiocarcinoma: Continuing Challenges and Translational Advances.
- Source :
-
Hepatology (Baltimore, Md.) [Hepatology] 2019 Apr; Vol. 69 (4), pp. 1803-1815. Date of Electronic Publication: 2019 Mar 25. - Publication Year :
- 2019
-
Abstract
- Intrahepatic cholangiocarcinoma (iCCA) has over the last 10-20 years become the focus of increasing concern, largely due to its rising incidence and high mortality rates worldwide. The significant increase in mortality rates from this primary hepatobiliary cancer, particularly over the past decade, has coincided with a rapidly growing interest among clinicians, investigators, and patient advocates to seek greater mechanistic insights and more effective biomarker-driven targeted approaches for managing and/or preventing this challenging liver cancer. In addition to discussing challenges posed by this aggressive cancer, this review will emphasize recent epidemiological, basic, and translational research findings for iCCA. In particular, we will highlight emerging demographic changes and evolving risk factors, the critical role of the tumor microenvironment, extracellular vesicle biomarkers and therapeutics, intertumoral and intratumoral heterogeneity, and current and emerging targeted therapies regarding iCCA. Specifically, recent evidence linking non-bile duct medical conditions, such as nonalcoholic fatty liver disease and nonspecific cirrhosis, to intrahepatic cholangiocarcinogenesis together with geographic and ethnic variation will be assessed. Recent developments concerning the roles played by transforming growth factor-β and platelet-derived growth factor D in driving the recruitment and expansion of cancer-associated myofibroblasts within cholangiocarcinoma (CCA) stroma as well as their therapeutic implications will also be discussed. In addition, the potential significance of extracellular vesicles as bile and serum biomarkers and therapeutic delivery systems for iCCA will be described. An integrated systems approach to classifying heterogeneous iCCA subtypes will be further highlighted, and recent clinical trials and emerging targeted therapies will be reviewed, along with recommendations for future translational research opportunities. Established international CCA networks are now facilitating collaborations aimed at advancing iCCA translational and clinical research.<br /> (© 2018 by the American Association for the Study of Liver Diseases.)
- Subjects :
- Animals
Bile Duct Neoplasms etiology
Bile Duct Neoplasms therapy
Biomarkers metabolism
Cholangiocarcinoma etiology
Cholangiocarcinoma therapy
Extracellular Vesicles metabolism
Humans
Immunotherapy
Molecular Targeted Therapy
Translational Research, Biomedical
Bile Duct Neoplasms metabolism
Cholangiocarcinoma metabolism
Subjects
Details
- Language :
- English
- ISSN :
- 1527-3350
- Volume :
- 69
- Issue :
- 4
- Database :
- MEDLINE
- Journal :
- Hepatology (Baltimore, Md.)
- Publication Type :
- Academic Journal
- Accession number :
- 30251463
- Full Text :
- https://doi.org/10.1002/hep.30289