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Quantitation of the effect of tumour necrosis factor (TNF)-α and confluence on stress fibres and focal adhesions (FAs) during the scratch asssay. Quantitation of actin filament levels (A) and FA-like paxillin clusters (B) from confocal images of cells at the scratch edge (scratch) and cells in confluent areas (confluent) with and without TNF-α. AU, arbitrary units.
