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Sensitivity of normal and malignant cells to shock waves
F Brümmer1, D Suhr, D F Hülser
1Universität Stuttgart, Biologisches Institut, Abteilung Biophysik, Germany.
The Journal of Stone Disease
|June 7, 1992
Summary
Shock waves show a cytotoxic effect on various normal and malignant cells. Cell sensitivity to shock waves varied, but no general difference was found between normal and malignant cells.
Area of Science:
- Biophysics
- Cell Biology
- Biomedical Engineering
Background:
- Shock waves are increasingly explored for therapeutic applications.
- Understanding their cellular effects is crucial for optimizing treatments.
- Previous research has not comprehensively compared normal and malignant cell responses.
Purpose of the Study:
- To investigate the cytotoxic impact of shock waves on diverse normal and malignant cell types.
- To determine if malignant cells exhibit differential sensitivity to shock waves compared to normal cells.
Main Methods:
- Normal (embryonic chick kidney/thigh muscle) and malignant cells (human, rat, mouse) were cultured in suspension.
- Cells were suspended in phosphate-buffered saline to standardize media effects.
- Shock wave treatment was applied, and cytotoxic effects were quantified using flow cytometry.
Main Results:
- The acute cytotoxic effect of shock waves was dose-dependent on the applied energy.
- LD50 (lethal dose for 50% of cells) values varied among the cell types tested.
- No consistent difference in shock wave sensitivity was observed between normal and malignant cells.
Conclusions:
- Shock waves induce acute cytotoxicity in a range of normal and malignant cells.
- Cellular sensitivity to shock waves is cell-type specific.
- Malignant cells do not generally display increased or decreased sensitivity to shock waves compared to normal cells.