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Dresden 2017 – scientific programme

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BP: Fachverband Biologische Physik

BP 25: Posters - Cytoskeletal Filaments

BP 25.1: Poster

Tuesday, March 21, 2017, 14:00–16:00, P2-EG

Investigations of the cytoskeleton of squamous cell carcinoma cells and oral keratinocytes — •Nina Bartels1, Maja Strugacevac1, Susanne Steeger1, Jan Lietz1, Julia Kristin2, Marcel Glaas2, Jörg Schipper2, and Mathias Getzlaff11Institute of Applied Physics, Heinrich-Heine-Universität Düsseldorf, Deutschland — 2Hals-Nasen-Ohrenklinik, Universitätsklinikum Düsseldorf, Deutschland

In order to investigate differences between oral carcinoma cells (HNSCC) and oral keratinocytes (DOK) two different techniques, Atomic Force Microscopy (AFM) and fluorescence microscopy, were used.

By means of AFM the mechano-elastic properties of carcinoma cells were investigated, because a possible cause for the differences between HNSCC and DOK cells are modifications in the cytoskeleton of cancer cells. To calculate the elasticity of the cells, the Young's Modulus was determined using the Hertzian Model.

The cytoskeleton of HNSCC and DOK was examined using confocal fluorescence microscopy. This contribution is focused on the comparison of the cytoskeleton and its staining for the two cell lines. For the staining of the cytoskeleton, SiR-actin and SiR-tubulin were used. An optimized staining process for both, actin and tubulin, was found for the collective staining of HNSCC and DOK.

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