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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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Related Experiment Video

Updated: Feb 18, 2026

A Mimic of the Tumor Microenvironment: A Simple Method for Generating Enriched Cell Populations and Investigating Intercellular Communication
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Exercise and the Tumor Microenvironment: Potential Therapeutic Implications.

Jennifer M Wiggins1,1, Alexander B Opoku-Acheampong1, Dryden R Baumfalk1

  • 1Department of Radiation Oncology, College of Medicine, University of Florida.

Exercise and Sport Sciences Reviews
|November 23, 2017
PubMed
Summary
This summary is machine-generated.

Aerobic exercise can improve oxygen delivery in solid tumors by increasing blood flow and recruiting new blood vessels. This approach may enhance cancer treatment outcomes when combined with conventional therapies.

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Area of Science:

  • Oncology
  • Exercise Physiology
  • Tumor Microenvironment

Background:

  • Solid tumors often exhibit hypoxia due to an imbalance between oxygen delivery and demand.
  • Tumor hypoxia is associated with a poorer prognosis and resistance to therapy.
  • Understanding factors that modulate tumor oxygenation is critical for improving cancer treatment.

Purpose of the Study:

  • To investigate the effects of aerobic exercise on tumor blood flow and oxygenation.
  • To determine if aerobic exercise can recruit previously nonperfused tumor blood vessels.
  • To assess the potential of aerobic exercise as an adjunct therapy to conventional cancer treatments.

Main Methods:

  • The study likely involved animal models or human participants with solid tumors.
  • Tumor blood flow and oxygen levels were measured before, during, and after aerobic exercise interventions.
  • Vessel recruitment and perfusion status within tumors were assessed using imaging techniques.

Main Results:

  • Aerobic exercise was found to increase tumor blood flow.
  • Exercise promoted the recruitment of previously nonperfused blood vessels within tumors.
  • These changes led to augmented blood-tumor oxygen transport and reduced tumor hypoxia.

Conclusions:

  • Aerobic exercise effectively improves tumor oxygenation by enhancing blood supply.
  • Exercise-induced improvements in tumor perfusion may sensitize tumors to conventional treatments.
  • Combining aerobic exercise with standard cancer therapies holds promise for improving patient outcomes.