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Confocal microscopic visualization of (A) MCF-7/CXCR4 for focal adhesion (stained for Vinculin) or (B) SCP2 cells for stress fibers (stained for phalloidin). The cells were pretreated with vehicle or JWH-015 (20 µm) overnight and then stimulated with CXCL12 (100 ng/ml; 30 min).
