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MCF7 cells retracted and lost cell contacts on SEMA3F treatment. Islets of control (AP) or SEMA3F-treated (AP-SEMA3F) MCF7 cells in the absence or presence of anti-NRP1 antibody were observed by contrast phase microscopy and microcinematography at time 0, 12, and 24 hours. Scale bar = 100 µm.
