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Updated: Jul 17, 2025

A Biomimetic Model for Liver Cancer to Study Tumor-Stroma Interactions in a 3D Environment with Tunable Bio-Physical Properties
Published on: August 7, 2020
The extracellular matrix in hepatocellular carcinoma: Mechanisms and therapeutic vulnerability
Arya Mariam Roy1, Renuka Iyer1, Sayan Chakraborty2
1Department of Medicine, Roswell Park Comprehensive Cancer Center, Buffalo, NY 14263, USA.
Abstract:
The tumor microenvironment (TME) is influenced by a "disorganized" extracellular matrix (ECM) that sensitizes cancer cells toward mechanical stress, signaling, and structural alterations. In hepatocellular carcinoma (HCC), lack of knowledge about key ECM proteins driving the TME refractory to targeted therapies poses a barrier to the identification of new therapeutic targets. Herein, we discuss the contributions of various ECM components that impact hepatocytes and their surrounding support network during tumorigenesis. In addition, the underpinnings by which ECM proteins transduce mechanical signals to the liver TME are detailed. Finally, in view of the bidirectional feedback between the ECM, transformed hepatocytes, and immune cells, we highlight the potential role of the ECM disorganization process in shaping responses to immune checkpoint inhibitors and targeted therapies. Our comprehensive characterization of these ECM components may provide a roadmap for innovative therapeutic approaches to restrain HCC.
Insights
Disorganized extracellular matrix (ECM) in hepatocellular carcinoma (HCC) affects cancer cell behavior and treatment response. Understanding ECM roles may reveal new therapeutic targets for HCC.
Area of Science:
- Oncology
- Biochemistry
- Cell Biology
Background:
- The tumor microenvironment (TME) is shaped by the extracellular matrix (ECM), which influences cancer cell behavior.
- Disorganized ECM in hepatocellular carcinoma (HCC) contributes to treatment resistance.
- Key ECM proteins driving HCC TME and therapeutic resistance remain poorly understood.
Purpose of the Study:
- To discuss the impact of ECM components on hepatocytes and their support network during HCC tumorigenesis.
- To detail how ECM proteins transmit mechanical signals within the liver TME.
- To highlight the role of ECM disorganization in responses to targeted and immune checkpoint inhibitor therapies.
Main Methods:
- Literature review and synthesis of existing research on ECM in HCC.
- Analysis of ECM protein contributions to hepatocyte function and TME dynamics.
- Exploration of ECM-mediated signaling pathways and their therapeutic implications.
Main Results:
- ECM components significantly influence hepatocyte behavior and the liver TME during tumorigenesis.
- ECM proteins transduce mechanical signals, altering the TME's structural and signaling landscape.
- ECM disorganization plays a critical role in the efficacy of targeted therapies and immune checkpoint inhibitors.
Conclusions:
- A comprehensive understanding of ECM components in HCC is crucial for identifying novel therapeutic targets.
- Targeting ECM disorganization may overcome therapeutic resistance in HCC.
- Characterizing ECMs offers a roadmap for developing innovative strategies against HCC.
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