Abstract
The aim of this study is the comparison of the morphological parameters of the shape of various types of human dermal fibroblasts, cultured in Laboratory of Tissue Engineering. This investigation compares three groups of fibroblasts: control group and with two kinds of genetic modifications. Those are: fibroblasts isolated from human skin (control group), after transduction with lentivirus bearing EGFP fluorescent marker and transduction with lentivirus bearing DsRed2 fluorescent markers. The experimental sequences of images of a monitored cells’ culture have been analysed using image processing methods, such as image segmentation and morphological feature quantification of cells. The following features: area, perimeter, eccentricity, roundness, elongation ratio, length of the major axis, roundness and Hu and Zernike moments have been analyzed in two types of cells models: lamina model and wire model. It appears that the differences in eccentricity, roundness, elongation ratio between modified human skin fibroblasts and their reference culture are not statistically significant. However, the differences in the area, the length of the major axis and the length of perimeter between the control group of fibroblasts and both groups of transduced fibroblasts are statistically significant. The next feature – roundness of fibroblasts – presents statistically significant difference for both transdused groups and fibroblast control group. There is no statistically significant difference between fibroblasts transduced with EGFP marker and those transdused with DsRed2 marker. Genetically modified fibroblasts after extra gene transduction occupy bigger area and assume more elongated shapes. Their compactness is not affected and seems to be similar in all groups.
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Acknowledgements
This study was supported by statutory funds of Nalecz Institute of Biocybernetics and Biomedical Engineering Polish Academy of Sciences.
Authors are very grateful to Malgorzata Calka and Natalia Nowak from Nencki Institute of Experimental Biology for their help in microscopic adjustment.
Karolina Zakrzewska acquired the results during her work in Nalecz Institute of Biocybernetics and Biomedical Engineering but now she is working in the Institute of Fundamental Technological Research.
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Korzynska, A. et al. (2018). The Analysis of the Shape of the Genetically Modified Human Skin Fibroblasts in Culture. In: Augustyniak, P., Maniewski, R., Tadeusiewicz, R. (eds) Recent Developments and Achievements in Biocybernetics and Biomedical Engineering. PCBBE 2017. Advances in Intelligent Systems and Computing, vol 647. Springer, Cham. https://doi.org/10.1007/978-3-319-66905-2_8
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DOI: https://doi.org/10.1007/978-3-319-66905-2_8
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