Micropillar substrate influences the cellular attachment and laminin expression.

Abstract excerpt

Fibroblasts alter their mode of attachment and focal contact when placed on square arrays of silicon pillars. The pillars had 1-microm diameters with identical surface chemistry. Distance between pillars is 9 microm and height of pillars is 1, 5, or 10 microm on substrates. We found that these micropillars, rather than specific interactions, provided more opportunities for mechanical interlocking of the...

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