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Related Concept Videos

Metastasis02:30

Metastasis

Metastasis is the spread of cancer cells from the original site to distant locations in the body. Cancer cells can spread via blood vessels (hematogenous) as well as lymph vessels in the body.
Epithelial-to-Mesenchymal Transition
The epithelial-to-mesenchymal transition or EMT is a developmental process commonly observed in wound healing, embryogenesis, and cancer metastasis. EMT is induced by transforming growth factor-beta (TGF-β) or receptor tyrosine kinase (RTK) ligands, which further...
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...

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Studying the Role of Alveolar Macrophages in Breast Cancer Metastasis
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Published on: June 26, 2016

The pre-metastatic niche: finding common ground.

Jaclyn Sceneay1, Mark J Smyth, Andreas Möller

  • 1Cancer Genomics and Genetics Laboratory, Peter MacCallum Cancer Centre, St. Andrews Place, East Melbourne, Victoria, 3002, Australia.

Cancer Metastasis Reviews
|May 3, 2013
PubMed
Summary
This summary is machine-generated.

Primary tumors create pre-metastatic niches by recruiting cells and suppressing immunity, complicating cancer treatment. Understanding these mechanisms offers new therapeutic strategies against metastatic disease.

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Area of Science:

  • Oncology
  • Cell Biology
  • Immunology

Background:

  • Metastatic disease presents a significant challenge in cancer therapy.
  • Primary tumors actively shape distant organ environments to facilitate metastasis.
  • Pre-metastatic niche formation is a complex, multi-faceted process.

Purpose of the Study:

  • To review current understanding of pre-metastatic niche formation mechanisms.
  • To identify commonalities and discrepancies in research findings.
  • To explore clinical implications and novel therapeutic strategies.

Main Methods:

  • Literature review of studies on pre-metastatic niche formation.
  • Analysis of mechanisms including cellular recruitment and immune modulation.
  • Exploration of the role of tumor microenvironment factors like exosomes and hypoxia.

Main Results:

  • Primary tumors recruit bone marrow-derived cells to secondary sites.
  • Hypoxia and tumor-secreted exosomes are key mediators of niche formation.
  • Reduced immune surveillance is a critical factor in establishing favorable niches.
  • Links between niche formation, metastatic persistence, and dormancy are evident.

Conclusions:

  • Pre-metastatic niche formation is a critical, complex step in cancer metastasis.
  • Understanding these processes is vital for developing effective anti-metastatic therapies.
  • Targeting niche reversal offers a promising therapeutic avenue for metastatic disease.