Journal
CELL ADHESION & MIGRATION
Volume 11, Issue 1, Pages 54-67Publisher
TAYLOR & FRANCIS INC
DOI: 10.1080/19336918.2016.1183867
Keywords
cannabinoids; cell mechanics; glioblastoma; network analysis; slice cultures
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Funding
- Martin Luther University Halle-Wittenberg [Roux 29/18]
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Background: Cannabinoids are known to have an anti-tumorous effect, but the underlying mechanisms are only sparsely understood. Mechanical characteristics of tumor cells represent a promising marker to distinguish between tumor cells and the healthy tissue. We tested the hypothesis whether cannabinoids influence the tumor cell specific mechanical and migratory properties and if these factors are a prognostic marker for the invasiveness of tumor cells.Methods: 3 different glioblastoma cell lines were treated with cannabinoids and changes of mechanical and migratory properties of single cells were measured using atomic force microscopy and time lapse imaging. The invasiveness of cell lines was determined using a co-culture model with organotypic hippocampal slice cultures.Results: We found that cannabinoids are capable of influencing migratory and mechanical properties in a cell line specific manner. A network analysis revealed a correlation between a generalized stiffness and the invasiveness for all tumor cell lines after 3 and 4d of invasion time: r(3d) = -0.88 [-0.52;-0.97]; r(4d) = -0.90 [-0.59;-0.98].Conclusions: Here we could show that a generalized stiffness is a profound marker for the invasiveness of a tumor cell population in our model and thus might be of high clinical relevance for drug testing. Additionally cannabinoids were shown to be of potential use for therapeutic approaches of glioblastoma.
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