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Tumor progression is a phenomenon where the pre-formed tumor acquires successive mutations to become clinically more aggressive and malignant. In the 1950s, Foulds first described the stepwise progression of cancer cells through successive stages.
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Cytokine patterns in brain tumour progression.

Radu Albulescu1, Elena Codrici, Ionela Daniela Popescu

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Mediators of Inflammation
|July 19, 2013
PubMed
Summary

Cancer progression involves inflammation, with specific cytokines and angiogenic factors showing significant changes. This study reveals altered serum levels of these molecules, potentially indicating tumor aggressiveness and pain.

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Area of Science:

  • Oncology
  • Immunology
  • Proteomics

Background:

  • Inflammation is a key immune response, but in cancer, it can promote tumor growth and immune suppression.
  • Tumor-associated inflammation involves cytokines and angiogenic factors that influence cancer progression.

Purpose of the Study:

  • To assess tumor aggressiveness by investigating serum profiles of pro-inflammatory, anti-inflammatory cytokines, and angiogenic factors.
  • To identify potential biomarkers for tumor progression and associated pain.

Main Methods:

  • Utilized novel proteomic technology to analyze serum cytokine and angiogenic factor levels.
  • Measured serum concentrations of key molecules including IL-1β, IL-6, IL-8, IL-12, GM-CSF, TNF-α, IL-4, IL-10, VEGF, and bFGF.

Main Results:

  • Significant dysregulation observed in serum levels of cytokines and angiogenic factors.
  • Over threefold upregulation of IL-6, IL-1β, TNF-α, and IL-10.
  • Up to twofold upregulation of VEGF, FGF-2, IL-8, IL-2, and GM-CSF.

Conclusions:

  • Altered serum profiles of cytokines and angiogenic factors correlate with tumor aggressiveness.
  • These molecular changes may play a role in tumor progression, immunosuppression, and cancer-related pain.