Related Experiment Video
Updated: Aug 12, 2026

Establishing Intracranial Brain Tumor Xenografts With Subsequent Analysis of Tumor Growth and Response to Therapy using Bioluminescence Imaging
Published on: July 13, 2010
Brain-tumor cell kinetics correlated with survival
In glioblastoma patients, the labeling index did not correlate with survival time. Tumor behavior is complex, influenced by factors like genetic instability and evolving cell characteristics, not just proliferation rates.
Area of Science:
- Neuro-oncology
- Cancer Biology
- Biostatistics
Background:
- Glioblastoma is an aggressive brain tumor with poor prognosis.
- Predictive biomarkers for glioblastoma are crucial for treatment stratification.
- The labeling index, a measure of cell proliferation, has been investigated as a potential prognostic factor.
Purpose of the Study:
- To investigate the correlation between the labeling index and survival time in glioblastoma patients before treatment.
- To determine if the labeling index is a statistically significant predictor of survival in glioblastoma.
Main Methods:
- Retrospective review of 38 glioblastoma patients.
- Analysis of fresh tissue kinetic data obtained prior to therapy.
- Statistical determination of the correlation between labeling index and survival duration.
Main Results:
- No statistically significant correlation was found between the labeling index and survival time in the studied cohort.
- The labeling index alone does not appear to be a reliable prognostic indicator for glioblastoma patients.
Conclusions:
- The complexity of glioblastoma tumor behavior, including genetic instability and evolving sublines, likely overshadows the predictive value of the labeling index.
- Survival in glioblastoma is multifactorial, influenced by dynamic biological processes beyond simple proliferation rates.
More Related Videos
09:24Generation of Microtumors Using 3D Human Biogel Culture System and Patient-derived Glioblastoma Cells for Kinomic Profiling and Drug Response Testing
Published on: June 9, 2016
09:17Longitudinal Intravital Imaging of Brain Tumor Cell Behavior in Response to an Invasive Surgical Biopsy
Published on: May 3, 2019
Related Concept Videos
Tumor Progression
Colon cancer is one of the best-documented examples of tumor progression. Early mutation in the APC gene in colon cells causes a small growth on the colon wall called a polyp. With time, this polyp grows into a benign, pre-cancerous tumor. Further...
Adaptive Mechanisms in Cancer Cells
Some of the advantages that cancer cells have on normal cells include - enhanced ability to divide without terminally differentiating, induce new blood vessel formation,...
Tumor Progression
Colon cancer is one of the best-documented examples of tumor progression. Early mutation in the APC gene in colon cells causes a small growth on the colon wall called a polyp. With time, this polyp grows into a benign, pre-cancerous tumor. Further...