4.6 Review

Recent Insights into the Biomarkers, Molecular Targets and Mechanisms of Non-Alcoholic Steatohepatitis-Driven Hepatocarcinogenesis

Journal

CANCERS
Volume 15, Issue 18, Pages -

Publisher

MDPI
DOI: 10.3390/cancers15184566

Keywords

NAFLD; NASH; HCC; biomarker; hepatocarcinogenesis mechanisms

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This review focuses on recent research in the field of non-alcoholic fatty liver disease (NAFLD) or metabolic dysfunction-associated steatotic liver disease (MASLD) and steatohepatitis (NASH)-associated liver cancer. The authors aim to highlight recent omics research on novel genetic and protein contributions to NAFLD/NASH and discuss mainstream molecular pathways and potential biomarkers and molecular targets. Special attention is given to the role of mTOR in the progression from NASH to hepatocellular carcinoma (HCC).
Simple Summary This review is focused on the research recently published in the field of non-alcoholic fatty liver disease (NAFLD) or metabolic dysfunction-associated steatotic liver disease (MASLD), and steatohepatitis (NASH)-associated liver cancer. We aimed to highlight recent omics research on novel genetic and protein contributions to NAFLD/NASH to discuss the mainstream molecular pathways and novel candidate biomarkers and molecular targets in NAFLD/NASH. Special attention is paid to the role mTOR, as multifunctional orchestrator in NASH progression to HCC.Abstract Non-alcoholic fatty liver disease (NAFLD) or metabolic dysfunction-associated steatotic liver disease (MASLD) and steatohepatitis (NASH) are chronic hepatic conditions leading to hepatocellular carcinoma (HCC) development. According to the recent multiple-parallel-hits hypothesis, NASH could be caused by abnormal metabolism, accumulation of lipids, mitochondrial dysfunction, and oxidative and endoplasmic reticulum stresses and is found in obese and non-obese patients. Recent translational research studies have discovered new proteins and signaling pathways that are involved not only in the development of NAFLD but also in its progression to NASH, cirrhosis, and HCC. Nevertheless, the mechanisms of HCC developing from precancerous lesions have not yet been fully elucidated. Now, it is of particular importance to start research focusing on the discovery of novel molecular pathways that mediate alterations in glucose and lipid metabolism, which leads to the development of liver steatosis. The role of mTOR signaling in NASH progression to HCC has recently attracted attention. The goals of this review are (1) to highlight recent research on novel genetic and protein contributions to NAFLD/NASH; (2) to investigate how recent scientific findings might outline the process that causes NASH-associated HCC; and (3) to explore the reliable biomarkers/targets of NAFLD/NASH-associated hepatocarcinogenesis.

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