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Mammalian cells respond to their substrates by complex changes in gene expression profiles, morphology, proliferation and migration. We report that substrate nanotopography alters morpohology and proliferation of human embryonic stem cells (hESCs). Fibronectin-coated poly(di-methyl siloxane) substrates with line-grating (600nm ridges with 600nm spacing and 600±150nm feature height) induced hESC alignment...
Controlling cell orientation and morphology through topographical patterning is a phenomenon that is applicable to a wide variety of medical applications such as implants and tissue engineering scaffolds. Previous work in this field, termed contact guidance, has demonstrated the application of this cellular response on a wide variety of material substrates such as silicon, quartz, glass, and poly(di-methyl...
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