1506
It is demonstrated that local nanoroughness as a biophysical cue could regulate a diverse array of NIH / 3T3 fibroblast behaviors , including cell morphology , adhesion , proliferation , migration , and cytoskeleton contractility .
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Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
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