Experimental Models in the Molecular and Genomic Characterization of Hepatocellular Carcinoma

A special issue of Cells (ISSN 2073-4409). This special issue belongs to the section "Cellular Pathology".

Deadline for manuscript submissions: closed (30 April 2021) | Viewed by 3671

Special Issue Editor


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Guest Editor
Clinic for Gastroenterology, Metabolic Disorders and Internal Intensive Medicine, RWTH University Hospital, Aachen, Germany
Interests: circularRNAs; microRNAs; m6A epitrancriptome; extracellular vesicles in inter-cellular communication; EVs as circulating biomarkers; chronic liver diseases; hepatocellular carcinoma

Special Issue Information

Dear Colleagues,

Hepatocellular carcinoma (HCC) accounts for over 90% of primary liver tumors and has become the fifth most common cancer in the world. While improved treatment options have led to a reduction in mortality of distinct malignant tumors, the incidence of HCC is still almost equal to its mortality rate. Even in medically developed countries, patients with advanced hepatocellular carcinoma face overall 1-year and 5-year survival rates of less than 50% and 10%, respectively. In contrast, patients with HCC that is detected at a very early stage have a high probability of successful curative treatment and can achieve overall 5-year survival rates of up to 75%. Hepatocellular carcinoma is characterized by a wide inter- and intratumor heterogeneity, and this molecular heterogeneity contributes to the high risk of cancer recurrence following resection and potentially contributes to primary and secondary resistance to systemic targeted therapies. Therefore, in order to improve treatment and prevention, a more comprehensive genetic and mechanistic understanding of HCC is urgently needed.

With the aim of gathering new ideas and starting novel lines of discussion among researchers, the journal Cells is launching a Special Issue entitled “Experimental Models in the Molecular and Genomic Characterization of Hepatocellular Carcinoma”. Our goal is to collect original research articles and in-depth reviews that present or discuss the application of innovative experimental models for the comprehensive characterization of hepatocellular carcinoma.

Dr. Mirco Castoldi
Guest Editor

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Keywords

  • Hepatocellular carcinoma
  • RNA methylation
  • Precision cut liver slices (PCLS) 
  • Circulating nucleic acids 
  • Liver organoids

Published Papers (1 paper)

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Research

16 pages, 1757 KiB  
Article
Recurrent HBV Integration Targets as Potential Drivers in Hepatocellular Carcinoma
by Selena Y. Lin, Adam Zhang, Jessica Lian, Jeremy Wang, Ting-Tsung Chang, Yih-Jyh Lin, Wei Song and Ying-Hsiu Su
Cells 2021, 10(6), 1294; https://doi.org/10.3390/cells10061294 - 23 May 2021
Cited by 11 | Viewed by 3205
Abstract
Chronic hepatitis B virus (HBV) infection is the major etiology of hepatocellular carcinoma (HCC), frequently with HBV integrating into the host genome. HBV integration, found in 85% of HBV-associated HCC (HBV–HCC) tissue samples, has been suggested to be oncogenic. Here, we investigated the [...] Read more.
Chronic hepatitis B virus (HBV) infection is the major etiology of hepatocellular carcinoma (HCC), frequently with HBV integrating into the host genome. HBV integration, found in 85% of HBV-associated HCC (HBV–HCC) tissue samples, has been suggested to be oncogenic. Here, we investigated the potential of HBV–HCC driver identification via the characterization of recurrently targeted genes (RTGs). A total of 18,596 HBV integration sites from our in-house study and others were analyzed. RTGs were identified by applying three criteria: at least two HCC subjects, reported by at least two studies, and the number of reporting studies. A total of 396 RTGs were identified. Among the 28 most frequent RTGs, defined as affected in at least 10 HCC patients, 23 (82%) were associated with carcinogenesis and 5 (18%) had no known function. Available breakpoint positions from the three most frequent RTGs, TERT, MLL4/KMT2B, and PLEKHG4B, were analyzed. Mutual exclusivity of TERT promoter mutation and HBV integration into TERT was observed. We present an RTG consensus through comprehensive analysis to enable the potential identification and discovery of HCC drivers for drug development and disease management. Full article
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