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Related Concept Videos

The Tumor Microenvironment02:17

The Tumor Microenvironment

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Every normal cell or tissue is embedded in a complex local environment called stroma, consisting of different cell types, a basal membrane, and blood vessels. As normal cells mutate and develop into cancer cells, their local environment also changes to allow cancer progression. The tumor microenvironment (TME) consists of a complex cellular matrix of stromal cells and the developing tumor. The cross-talk between cancer cells and surrounding stromal cells is critical to disrupt normal tissue...
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The liver is an important organ in vertebrates that plays an essential role in metabolism. It is also responsible for storing and redistributing nutrients such as carbohydrates, fats, and vitamins in the body. Additionally, the liver releases bile salts which are critical for digesting food and eliminating toxic metabolites from the body.
Cells of Liver
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Related Experiment Video

Updated: Oct 31, 2025

A Biomimetic Model for Liver Cancer to Study Tumor-Stroma Interactions in a 3D Environment with Tunable Bio-Physical Properties
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Liver Tumor Microenvironment.

Diamantis I Tsilimigras1, Ioannis Ntanasis-Stathopoulos2, Dimitrios Moris3

  • 1Department of Surgery, The Ohio State University, Wexner Medical Center, Columbus, OH, USA.

Advances in Experimental Medicine and Biology
|June 29, 2021
PubMed
Summary
This summary is machine-generated.

The tumor microenvironment (TME) influences liver cancer growth. Combination therapies targeting the TME are crucial for effectively treating liver malignancies due to the limitations of single-molecule treatments.

Keywords:
CarcinogenesisDendritic cellsHepatic stellate cellsHepatocellular carcinomaHypoxiaImmunityInflammationLiver cancerLiver metastasisMacrophagesMicroenvironmentMyeloid-derived stem cellsNK cellsSignaling pathwaySinusoidal endothelial cells

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Area of Science:

  • Oncology
  • Immunology
  • Cell Biology

Background:

  • The tumor microenvironment (TME) is integral to tumor development and growth, comprising immune, cancer, and inflammatory cells, stromal tissue, and extracellular matrix.
  • Primary liver cancer TME is marked by inflammation and hypoxia, driving carcinogenesis and immune evasion.
  • Liver metastases TME involves primary tumors priming the liver, promoting myeloid cell expansion and neovascularization via VEGF and FGF.

Purpose of the Study:

  • To highlight the distinct characteristics of the tumor microenvironment in primary liver cancer versus liver metastases.
  • To underscore the limitations of single-target therapies for liver malignancies.
  • To advocate for combination therapies in treating liver cancer.

Main Methods:

  • Comparative analysis of TME in primary hepatic tumors and liver metastases.
  • Review of molecular mechanisms driving liver cancer progression, including inflammation, hypoxia, and neovascularization.
  • Evaluation of current therapeutic strategies and their limitations.

Main Results:

  • Primary liver cancer TME is inflammatory; liver metastases TME involves organ priming by the primary tumor.
  • Chronic inflammation and hypoxia are key drivers of primary liver cancer.
  • Neovascularization in liver metastases is mediated by VEGF and FGF.

Conclusions:

  • Targeting single molecules within the TME is unlikely to be effective for liver malignancies.
  • Combination therapies, integrating targeted treatments with immunotherapy, are essential for efficient treatment of liver cancer.
  • Further research and clinical trials should focus on combination strategies to improve outcomes for patients with liver malignancies.