Related Experiment Video
Updated: May 28, 2025
10:08
Co-culture of Glioblastoma Stem-like Cells on Patterned Neurons to Study Migration and Cellular Interactions
Published on: February 24, 2021
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Interactions between Ploidy and Resource Availability Shape Clonal Evolution in Glioblastoma.
Zuzanna Nowicka1, Frederika Rentzeperis2, Vural Tagal3
1Department of Biostatistics and Translational Medicine, Medical University of Łódź, Łódź, Poland.
Cancer Research
|February 11, 2025
Summary
Mathematical modeling reveals how glioblastoma (GBM) cell ploidy and brain microenvironment influence tumor growth and recurrence. Metabolic substrate availability drives cell fate, impacting GBM progression and response to treatment.
Area of Science:
- Oncology
- Computational Biology
- Cancer Research
Background:
- Glioblastoma (GBM) is an aggressive brain tumor with infiltrative growth, making complete surgical removal challenging.
- Tumor cell composition and microenvironment significantly influence GBM invasiveness, progression, and treatment response.
- Understanding the factors driving gliomagenesis is crucial for developing effective therapeutic strategies.
Purpose of the Study:
- To develop a mathematical model simulating GBM growth and invasion, incorporating ploidy and brain microenvironment.
- To infer GBM initiation mechanisms and predict response to standard-of-care treatment.
- To investigate the role of metabolic substrates and ploidy in GBM recurrence.
Main Methods:
- Developed an in silico mathematical model integrating ploidy and brain tissue microenvironment.
- Approximated spatial resource distribution using multiomics data and image analysis of GBM tissues.
- Validated model predictions with historical data on human tissue oxygen levels and cancer ploidy.
Main Results:
- High-ploidy GBM cells transition faster to glycolysis under hypoxia compared to low-ploidy cells.
- Tumor recurrence rates varied with ploidy composition, modulated by the brain microenvironment.
- A significant correlation exists between tissue oxygen levels and cancer cell ploidy across different human tissues.
Conclusions:
- Brain microenvironment resources, particularly metabolic substrates, influence GBM cell fate decisions based on ploidy.
- Ploidy and microenvironment interactions are key determinants of gliomagenesis and GBM recurrence.
- Targeting metabolic substrate availability may offer a strategy to delay GBM progression and guide clinical decisions.
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