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Related Concept Videos

The Tumor Microenvironment02:17

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 Microenvironment02:17

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...
Adaptive Mechanisms in Cancer Cells02:53

Adaptive Mechanisms in Cancer Cells

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.
Some of the advantages that cancer cells have on normal cells include - enhanced ability to divide without terminally differentiating, induce new blood vessel formation,...

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Related Experiment Video

Updated: May 14, 2026

Enrichment and Characterization of the Tumor Immune and Non-immune Microenvironments in Established Subcutaneous Murine Tumors
08:32

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

Published on: June 7, 2018

Biological stoichiometry in tumor micro-environments.

Irina Kareva1

  • 1Steward St. Elizabeth's Medical Center, Tufts University School of Medicine, Boston, Massachusetts, United States of America. Irina.Kareva@tufts.edu

Plos One
|January 26, 2013
PubMed
Summary

Limiting phosphorus in tumors may enhance competition, slowing cancer growth. Tumor cell distribution impacts treatment response, highlighting the need for personalized therapeutic strategies.

Area of Science:

  • Oncology
  • Mathematical Biology
  • Ecology

Background:

  • Tumors function as complex ecological systems with competing cancer and somatic cells.
  • The growth rate hypothesis (GRH) suggests increased phosphorus availability may drive tumor malignancy.
  • Tumor micro-environment nutrient dynamics are critical for cancer progression.

Purpose of the Study:

  • To evaluate the applicability of the growth rate hypothesis (GRH) to tumor growth.
  • To investigate the impact of phosphorus availability on tumor cell competition and malignancy.
  • To explore how initial tumor clone distribution influences response to micro-environmental changes.

Main Methods:

  • Utilized a mathematical modeling approach to simulate tumor ecosystem dynamics.
  • Analyzed the effects of varying phosphorus levels on tumor cell proliferation and competition.

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A Mimic of the Tumor Microenvironment: A Simple Method for Generating Enriched Cell Populations and Investigating Intercellular Communication
09:52

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

Published on: September 20, 2016

In Vivo EPR Assessment of pH, pO2, Redox Status, and Concentrations of Phosphate and Glutathione in the Tumor Microenvironment
10:46

In Vivo EPR Assessment of pH, pO2, Redox Status, and Concentrations of Phosphate and Glutathione in the Tumor Microenvironment

Published on: March 16, 2018

Related Experiment Videos

Last Updated: May 14, 2026

Enrichment and Characterization of the Tumor Immune and Non-immune Microenvironments in Established Subcutaneous Murine Tumors
08:32

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

Published on: June 7, 2018

A Mimic of the Tumor Microenvironment: A Simple Method for Generating Enriched Cell Populations and Investigating Intercellular Communication
09:52

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

Published on: September 20, 2016

In Vivo EPR Assessment of pH, pO2, Redox Status, and Concentrations of Phosphate and Glutathione in the Tumor Microenvironment
10:46

In Vivo EPR Assessment of pH, pO2, Redox Status, and Concentrations of Phosphate and Glutathione in the Tumor Microenvironment

Published on: March 16, 2018

  • Investigated the role of clonal heterogeneity in tumor micro-environment interactions.

    • Main Results:

    • Mathematical model suggests limiting phosphorus availability may enhance intercellular competition, potentially delaying tumor progression.
    • Tumor response to micro-environmental shifts is dependent on the initial spatial distribution of clones.
    • Initial tumor size does not dictate the differential response to environmental changes.

    Conclusions:

    • The growth rate hypothesis (GRH) has potential implications for understanding tumor development and progression.
    • Manipulating nutrient availability, specifically phosphorus, could be a therapeutic strategy to control tumor growth.
    • Tumor heterogeneity and clonal composition are crucial factors for effective cancer therapy design and personalized treatment.