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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: Dec 29, 2025

Measuring Bone Remodeling and Recreating the Tumor-Bone Microenvironment Using Calvaria Co-culture and Histomorphometry
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Novel Techniques to Study the Bone-Tumor Microenvironment.

Alison B Shupp1, Alexus D Kolb1, Karen M Bussard2

  • 1Department of Cancer Biology, Sidney Kimmel Cancer Center, Thomas Jefferson University, Philadelphia, PA, USA.

Advances in Experimental Medicine and Biology
|February 8, 2020
PubMed
Summary

Cancer cells in bone communicate with stromal cells, influencing metastasis. Understanding this crosstalk is key to developing new treatments for bone metastasis, especially in breast cancer.

Keywords:
BioreactorBoneBone-like scaffoldsBreast cancerCD63CrosstalkCytokineExosomeExtracellular vesicleFluorescence microscopyGap junctionIL-6IL-8MetastasisOsteoblastOsteoclastStromaTumor microenvironmentVicious cycle

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Area of Science:

  • Oncology
  • Cell Biology
  • Biomedical Engineering

Background:

  • Bone metastasis is a common and challenging complication of many cancers.
  • Cancer cells interact with the bone microenvironment, influencing metastatic progression.
  • Intercellular communication mechanisms like extracellular vesicles, cell contact, and cytokines mediate this crosstalk.

Purpose of the Study:

  • To review innovative techniques and model systems for studying cancer cell-stromal cell crosstalk in the bone.
  • To focus specifically on bone-metastatic breast cancer.
  • To enhance understanding of bone metastasis progression through investigating these interactions.

Main Methods:

  • Review of current literature on intercellular communication in the bone microenvironment.
  • Discussion of novel techniques and model systems for studying bidirectional crosstalk.
  • Emphasis on methods applicable to bone-metastatic breast cancer research.

Main Results:

  • Identified extracellular vesicles, direct cell contact, gap junctions, and cytokines as key communication mechanisms.
  • Highlighted the diverse impacts of cancer cell-stromal cell interactions on metastasis progression (trafficking, dormancy, reactivation, proliferation).
  • Emphasized the importance of studying these interactions in the bone microenvironment.

Conclusions:

  • Bidirectional crosstalk between cancer cells and bone stromal cells significantly influences bone metastasis.
  • Innovative techniques and model systems are crucial for dissecting these complex interactions.
  • Further investigation is essential for improving therapeutic strategies against bone metastasis, particularly in breast cancer.