Cold Physical Plasma Reduces Motility of Various Bone Sarcoma Cells While Remodeling the Cytoskeleton

In Vivo. 2024 Jul-Aug;38(4):1571-1578. doi: 10.21873/invivo.13607.

Abstract

Background/aim: Cold physical plasma (CPP) has emerged as an effective therapy in oncology by inducing cytotoxic effects in various cancer cells, including chondrosarcoma (CS), Ewing's sarcoma (ES), and osteosarcoma (OS). The current study investigated the impact of CPP on cell motility in CS (CAL-78), ES (A673), and OS (U2-OS) cell lines, focusing on the actin cytoskeleton.

Materials and methods: The CASY Cell Counter and Analyzer was used to study cell proliferation and determine the optimal concentrations of fetal calf serum to maintain viability without stimulation of cell proliferation. CellTiter-BlueCell viability assay was used to determine the effects of CPP on the viability of bone sarcoma cells. The Radius assay was used to determine cell migration. Staining for Deoxyribonuclease I, G-actin, and F-actin was used to assay for the effects on the cytoskeleton.

Results: Reductions in cell viability and motility were observed across all cell lines following CPP treatment. CPP induced changes in the actin cytoskeleton, leading to decreased cell motility.

Conclusion: CPP effectively reduces the motility of bone sarcoma cells by altering the actin cytoskeleton. These findings underscore CPP's potential as a therapeutic tool for bone sarcomas and highlight the need for further research in this area.

Keywords: CAP; CPP; Ewing’s sarcoma; NIPP; cell motility; chondrosarcoma; cold atmospheric pressure plasma; medical gas plasma; osteosarcoma.

MeSH terms

  • Actin Cytoskeleton* / drug effects
  • Actin Cytoskeleton* / metabolism
  • Actins / metabolism
  • Bone Neoplasms* / metabolism
  • Bone Neoplasms* / pathology
  • Cell Line, Tumor
  • Cell Movement* / drug effects
  • Cell Proliferation* / drug effects
  • Cell Survival* / drug effects
  • Cytoskeleton* / metabolism
  • Humans
  • Osteosarcoma / metabolism
  • Osteosarcoma / pathology
  • Plasma Gases* / pharmacology
  • Sarcoma / metabolism
  • Sarcoma / pathology

Substances

  • Plasma Gases
  • Actins