Title
Liver clear cell foci and viral infection are associated with non-cirrhotic, non-fibrolamellar hepatocellular carcinoma in young patients from South America
Date Issued
01 December 2018
Access level
metadata only access
Resource Type
journal article
Author(s)
Marchio A.
Turlin B.
Marti G.
Deharo E.
Pineau P.
Université de Rennes
Université de Toulouse
Publisher(s)
Nature Publishing Group
Abstract
We previously described a divergent clinical and molecular presentation of hepatocellular carcinoma (HCC) in Peru. The present study aimed to further characterize the tissue features associated with this singular nosological form of HCC in order to gain insight into the natural history of the disease. We performed an exploratory analysis of the histology of both tumor and non-tumor liver (NTL) tissues from 50 Peruvian HCC patients, and compared with that of 75 individuals with non-HCC liver tumor or benign liver lesions as a baseline for NTL features. We complemented this approach with a transcriptome analysis in a subset of NTL tissue samples and also performed an ultra-sensitive hepatitis B virus (HBV) detection in liver tissues of the patients. Overall, results highlighted the low rate of liver parenchymal alterations in a young patient cohort (median age: 40 years old), despite a strong prevalence of underlying HBV infection (c. 67%). Withal, liver clear cell foci of cellular alteration were genuinely associated with HCC and appended to some changes in immune and G protein-coupled receptor gene expression ontologies. Our findings confirm the occurrence of a particular setting of HCC in South America, a region where the pathophysiology of liver cancer remains largely unexplored.
Volume
8
Issue
1
Language
English
Scopus EID
2-s2.0-85050796372
PubMed ID
Source
Scientific Reports
Sponsor(s)
This study was funded by the Third Cancer Plan, ITMO Cancer of the French National Alliance for Life Sciences and Health (ENV201408); L.C. was a recipient of a doctoral fellowship from French National Research Institute for Sustainable Development (IRD) (EMHE-ARTS-2016-878573B); J.P.C. was a recipient of a doctoral fellowship from the Peruvian National Council for Science and Technology (212-2015-FONDECYT); and L.C., E.R., and S.C. were supported by the Young Research Teams Associated with IRD Program (INCAncer). The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript. The authors wish to acknowledge all patients whose participation was essential to the achievement of this study. The authors are grateful to Karina Cancino, Juan Jose Contreras, Dany Cordova, Franco Doimi, Macarena Farías, Ruddy Liendo, and Maricarmen Valera from the INEN Cancer Research Biobank for their leadership in aggregating medical information; Alain Fautrel and staff members from the H2P2 platform for their technical support; Jamila Faivre from the Paris-Sud University and Benoît Terris from the Paris University Hospitals Centre for their critical discussions; and Elizabeth Elliott and Brian Gadd for their valuable editorial assistance.
Sources of information:
Directorio de Producción Científica
Scopus