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The Tumor Microenvironment

The Tumor Microenvironment

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...

The Tumor Microenvironment

The Tumor Microenvironment

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...

Metastasis

Metastasis

Metastasis is the spread of cancer cells from the original site to distant locations in the body. Cancer cells can spread via blood vessels (hematogenous) as well as lymph vessels in the body.
Epithelial-to-Mesenchymal Transition
The epithelial-to-mesenchymal transition or EMT is a developmental process commonly observed in wound healing, embryogenesis, and cancer metastasis. EMT is induced by transforming growth factor-beta (TGF-β) or receptor tyrosine kinase (RTK) ligands, which further...

Tumor Immunotherapy

Tumor Immunotherapy

Immunotherapy is a treatment that boosts or manipulates the immune system to fight diseases, including cancer. For instance, by stimulating an immune response through vaccinations against viruses that cause cancers, like hepatitis B virus and human papillomavirus, these diseases can be prevented. Nonetheless, some cancer cells can avoid the immune system due to their rapid mutation and division. The immune response to many cancers involves three phases: elimination, equilibrium, and escape.

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Related Experiment Video

Updated: May 27, 2026

A Mimic of the Tumor Microenvironment: A Simple Method for Generating Enriched Cell Populations and Investigating Intercellular Communication

A Mimic of the Tumor Microenvironment: A Simple Method for Generating Enriched Cell Populations and Investigating Intercellular Communication

Published on: September 20, 2016

The tumor microenvironment: part 1.

Judith Leibovici¹, Orit Itzhaki, Monica Huszar

¹Department of Pathology, Sackler Faculty of Medicine, Tel-Aviv University, 69978, Tel-Aviv, Israel. jleibov@post.tau.ac.il

|November 8, 2011

Summary

This summary is machine-generated.

Cancer research now recognizes the tumor microenvironment as crucial for cancer's growth and treatment response. This complex system, comprising various cells and molecules, significantly influences tumor evolution and patient outcomes.

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Enrichment and Characterization of the Tumor Immune and Non-immune Microenvironments in Established Subcutaneous Murine Tumors

Enrichment and Characterization of the Tumor Immune and Non-immune Microenvironments in Established Subcutaneous Murine Tumors

Published on: June 7, 2018

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Last Updated: May 27, 2026

A Mimic of the Tumor Microenvironment: A Simple Method for Generating Enriched Cell Populations and Investigating Intercellular Communication

A Mimic of the Tumor Microenvironment: A Simple Method for Generating Enriched Cell Populations and Investigating Intercellular Communication

Published on: September 20, 2016

Enrichment and Characterization of the Tumor Immune and Non-immune Microenvironments in Established Subcutaneous Murine Tumors

Enrichment and Characterization of the Tumor Immune and Non-immune Microenvironments in Established Subcutaneous Murine Tumors

Published on: June 7, 2018

Area of Science:

Oncology
Cancer Biology
Tumor Microenvironment Research

Background:

Historically, neoplastic cells were considered the sole drivers of tumor development.
Recent decades have highlighted the critical role of the tumor microenvironment in cancer progression.

Purpose of the Study:

To underscore the significance of the tumor microenvironment in cancer.
To emphasize its role in malignant evolution and therapeutic response.

Main Methods:

Review of current understanding of tumor composition.
Analysis of the cellular and molecular components of the tumor microenvironment.

Main Results:

Cancers are heterogeneous, comprising neoplastic cells and diverse non-neoplastic cells (fibroblasts, endothelial cells, immune cells, etc.).
The tumor microenvironment includes extracellular matrix and soluble molecules, forming an organ-like structure.
This microenvironment significantly influences tumor behavior and treatment efficacy.

Conclusions:

The tumor microenvironment is a key determinant in neoplasia's malignant evolution.
Understanding the tumor microenvironment is vital for predicting tumor behavior and optimizing cancer therapy.