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by Keyword: Cell orientation


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Martinez, E., Engel, E., Planell, J. A., Samitier, J., (2009). Effects of artificial micro- and nano-structured surfaces on cell behaviour Annals of Anatomy-Anatomischer Anzeiger , 191, (1), 126-135

Substrate topography, independently of substrate chemistry, has been reported to have significant effects on cell behaviour. Based on the use of fabrication techniques developed by the silicon microtechnology industry, numerous studies can now be found in the literature analyzing cell behaviour as to various micro- and nanofeatures such as lines, wells, holes and more. Most of these works have been found to relate the micro- and nano-sized topographical features with cell. orientation, migration, morphology and proliferation. In recent papers, even the influence of substrate nanotopography on cell gene expression and differentiation has been pointed out. However, despite the large number of papers published on this topic, significant general trends in cell behaviour are difficult to establish due to differences in cell type, substrate material, feature aspect-ratio, feature geometry and parameters measured. This paper intends to compile and review the relevant existing information on the behaviour of cells on micro- and nano-structured artificial substrates and analyze possible general behavioural trends.

Keywords: Microstructure, Topography, Cell behaviour, Cell morphology, Cell orientation