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Related Concept Videos

Cancer02:18

Cancer

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Cancers arise due to mutations in genes involved in the regulation of cell division, which leads to unrestricted cell proliferation. Modern science and medicine have made great strides in the understanding and treatment of cancer, including eradicating cancer in some patients. However, there is still no cure for cancer. This is largely due to the fact that cancer is a large group of many diseases.
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Related Experiment Video

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Modeling Brain Metastasis by Internal Carotid Artery Injection of Cancer Cells
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Brain cancer spreads.

Lara Perryman1, Janine T Erler2

  • 1Biotech Research and Innovation Centre (BRIC), University of Copenhagen, Ole Maaløes Vej 5, Copenhagen 2200, Denmark.

Science Translational Medicine
|August 1, 2014
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Summary

Circulating tumor cells are found in about 20% of brain cancer patients. This discovery challenges the long-held belief that these cancer cells remain exclusively within the brain, opening new clinical avenues.

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Area of Science:

  • Neuro-oncology
  • Cancer Biology
  • Molecular Diagnostics

Background:

  • The brain is traditionally considered a sanctuary site for cancer.
  • The presence and significance of circulating tumor cells (CTCs) in brain tumors have been largely uncharacterized.
  • Previous research often assumed limited systemic spread from primary brain malignancies.

Purpose of the Study:

  • To investigate the presence and prevalence of circulating tumor cells (CTCs) in the bloodstream of patients diagnosed with brain cancer.
  • To challenge the established paradigm regarding the localized nature of brain tumors.
  • To explore the potential clinical implications of detecting CTCs in brain cancer patients.

Main Methods:

  • Blood samples were collected from a cohort of brain cancer patients.
  • Advanced molecular and cellular techniques were employed to detect and characterize circulating tumor cells.
  • Comparative analysis was performed to determine the percentage of patients harboring CTCs.

Main Results:

  • Approximately 20% of patients with brain cancer were found to have detectable circulating tumor cells.
  • The presence of CTCs indicates that brain tumor cells can, in fact, disseminate into the systemic circulation.
  • This finding contradicts the long-held assumption of brain tumor confinement.

Conclusions:

  • The detection of CTCs in a significant subset of brain cancer patients necessitates a re-evaluation of tumor behavior and metastasis.
  • This discovery has profound clinical implications for diagnosis, prognosis, and therapeutic strategies in neuro-oncology.
  • Further research is warranted to understand the biology and clinical relevance of brain tumor-derived CTCs.