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Related Concept Videos

Microenvironments01:22

Microenvironments

Microorganisms inhabit highly localized spaces known as microenvironments, which are defined by distinct physical and chemical characteristics. These include oxygen concentration, pH, temperature, light availability, and nutrient levels. The conditions within a microenvironment can differ markedly from those in the surrounding area and significantly influence microbial growth, metabolism, and community structure.Microenvironments often display sharp physicochemical gradients over small spatial...
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...
Environmental Applications of Microorganisms01:30

Environmental Applications of Microorganisms

Microorganisms play a pivotal role in maintaining ecosystem balance by recycling essential elements such as carbon, nitrogen, and phosphorus, as well as supporting processes like bioremediation, wastewater treatment, and biofuel production.Microbes in Elemental CyclesIn the carbon cycle, microorganisms decompose organic matter, releasing carbon dioxide via aerobic respiration. This carbon dioxide is subsequently used by photosynthetic organisms to synthesize organic compounds, closing the...
Modified-Release Drug Delivery Systems: Site-Targeted01:24

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Site-targeted drug delivery systems enhance therapeutic efficacy while minimizing systemic toxicity and treatment costs. Unlike conventional methods, these systems ensure precise drug delivery, improving bioavailability and reducing side effects. Targeted drug delivery is classified into three levels. First-order targeting directs drugs to the capillary beds of specific organs or tissues. Second-order targets specific cell types, such as tumor cells, using receptor-mediated interactions.
Microbial Interactions: Competition01:26

Microbial Interactions: Competition

Microbial competition is an ecological interaction in which microorganisms vie for limited resources within shared environments. These resources may include nutrients, space, or light, depending on the system. The intensity and outcome of competition are influenced by the environmental context, such as nutrient availability, spatial constraints, and the diversity of microbial species present. These competitive interactions significantly influence the structure, function, and resilience of...

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Using Microarrays to Interrogate Microenvironmental Impact on Cellular Phenotypes in Cancer
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Using Microarrays to Interrogate Microenvironmental Impact on Cellular Phenotypes in Cancer

Published on: May 21, 2019

Targeting the microenvironment.

John Gribben1, Andreas Rosenwald, Randy Gascoyne

  • 1Cancer Research UK, Barts and Royal London School of Medicine, Medical Oncology Unit, Charterhouse Square, London, UK. j.gribben@qmul.ac.uk

Leukemia & Lymphoma
|September 7, 2010
PubMed
Summary
This summary is machine-generated.

The tumor microenvironment, once ignored, actively fuels cancer growth and progression. Understanding these complex tumor-stromal interactions is key to developing new cancer therapies.

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

Published on: September 20, 2016

Area of Science:

  • Oncology
  • Cancer Biology
  • Tumor Microenvironment Research

Background:

  • The tumor microenvironment (TME) significantly influences cancer development and progression.
  • Stromal cells within the TME, previously considered passive, actively support tumor growth.
  • Emerging evidence highlights the co-evolution of tumor and stromal cells.

Purpose of the Study:

  • To elucidate the mechanisms by which the tumor microenvironment facilitates cancer progression.
  • To understand the complex interplay between tumor cells and stromal cells.
  • To identify therapeutic targets within the tumor microenvironment.

Main Methods:

  • Review of accumulated evidence on tumor-stromal interactions.
  • Analysis of molecular alterations leading to stromal dysfunction.
  • Exploration of the co-evolutionary dynamics between tumor and stromal cells.

Main Results:

  • The TME provides essential nutrients and survival signals to tumors.
  • The TME protects tumors from immune responses and chemotherapy.
  • Tumor and stromal cells engage in a complex co-evolutionary process.

Conclusions:

  • Understanding tumor-stromal interactions is crucial for cancer treatment.
  • Identifying patients for risk-adapted therapy based on TME characteristics.
  • Developing novel therapies targeting the TME to restore normal control mechanisms.