Glucose starvation and acidosis: effect on experimental metastatic potential, DNA content and MTX resistance of murine tumour cells
1991

Effects of Glucose Starvation and Acidosis on Tumor Cells

Sample size: 6 publication Evidence: moderate

Author Information

Author(s): O.K. Schlappack, A. Zimmermann, R.P. Hill

Primary Institution: The Ontario Cancer Institute and Department of Medical Biophysics, University of Toronto

Hypothesis

Does exposure to acidosis and glucose starvation affect drug resistance and metastatic potential in murine tumor cells?

Conclusion

Transient exposure of murine tumor cells to an acidic or glucose-deprived environment can enhance their metastatic potential.

Supporting Evidence

  • Acidosis increased the number of lung metastases for KHT cells after recovery.
  • Glucose starvation enhanced metastatic ability for both KHT and B16F1 cells.
  • Transient exposure to stress conditions can lead to significant increases in metastatic potential.

Takeaway

When tumor cells are starved of glucose or exposed to acid, they can become better at spreading to other parts of the body.

Methodology

Murine tumor cells were exposed to acidosis and glucose starvation for 24-48 hours, followed by recovery in normal growth medium before testing for drug resistance and metastatic ability.

Limitations

The study primarily focuses on two specific murine tumor cell lines, which may limit the generalizability of the findings.

Participant Demographics

Female syngeneic C3H/CRL mice were used for KHT cells and C57B1/CRL mice for B16F1 cells.

Statistical Information

P-Value

0.002

Statistical Significance

p<0.05

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