Solving the Puzzle of Metastasis: The Evolution of Cell Migration in Neoplasms
2011

Understanding How Cancer Cells Migrate and Spread

publication Evidence: high

Author Information

Author(s): Chen Jun, Sprouffske Kathleen, Huang Qihong, Maley Carlo C.

Primary Institution: University of Pennsylvania

Hypothesis

Resource heterogeneity within primary tumors selects for cell migration, and cell emigration is a by-product of that selection.

Conclusion

Variability in resources within a neoplasm is sufficient to select for cells with high motility, which are more likely to emigrate from the tumor, leading to metastasis.

Supporting Evidence

  • Resource heterogeneity in tumors leads to increased cell migration.
  • Cells with high motility are more likely to leave the tumor.
  • Variability in oxygen levels can influence cancer cell behavior.
  • Spatial and temporal resource dynamics affect cell movement.
  • Transient hypoxia in tumors can promote metastasis.

Takeaway

Cancer cells can move around more when there are different amounts of resources like oxygen in their environment, which helps them spread to other parts of the body.

Methodology

An agent-based model was developed to simulate the evolution of neoplastic cell migration, incorporating dynamics of neoangiogenesis and blood vessel occlusion.

Limitations

The model simplifies intra-tumor dynamics and does not account for all mechanisms of cell emigration.

Statistical Information

P-Value

p<0.001

Statistical Significance

p<0.001

Digital Object Identifier (DOI)

10.1371/journal.pone.0017933

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