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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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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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Cancer cells accumulate genetic changes at an abnormally rapid rate due to the defects in the DNA repair mechanisms. From an evolutionary perspective, such genetic instability is advantageous for cancer development. Mutant cell lines accumulate a series of beneficial mutations that contribute to their progression into cancer.
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Related Experiment Video

Updated: Oct 16, 2025

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

Veronika Aleksandrovych1, Krzysztof Gil2

  • 1Department of Pathophysiology, Jagiellonian University Medical College, Kraków, Poland.

Advances in Experimental Medicine and Biology
|October 19, 2021
PubMed
Summary
This summary is machine-generated.

Telocytes, crucial cells in the tumor microenvironment, are involved in cancer development. These cells influence angiogenesis, tissue repair, and immune responses, impacting local tissue homeostasis.

Keywords:
AngiogenesisCD34CancerExtracellular matrixExtracellular vesiclesHypoxiaOncogenesisPDGFRαProliferationStem cell nicheStromal synapsesTelocytesTelopodesTumor microenvironmentVascular endothelial growth factor (VEGF)

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Area of Science:

  • Oncology
  • Cell Biology
  • Cancer Research

Background:

  • Cellular communication is key in tumor development.
  • The tumor microenvironment involves interactions between normal and transformed cells.
  • Telocytes have been increasingly recognized for their roles in cancer.

Purpose of the Study:

  • To discuss the features of telocytes.
  • To explore the potential involvement of telocytes in local tissue homeostasis within the tumor microenvironment.

Main Methods:

  • Review of existing literature on telocytes and cancer.
  • Analysis of telocyte functions in relation to tumor development.

Main Results:

  • Telocytes contribute to angiogenesis, fibrosis, and extracellular matrix production.
  • Telocytes mediate signaling via extracellular vesicles, growth factors, and bioactive molecules.
  • Telocytes play roles in tissue repair, regeneration, and immune responses.

Conclusions:

  • Telocytes are significant components of the tumor microenvironment.
  • Understanding telocyte functions is crucial for comprehending local tissue homeostasis in cancer.