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. 2013 Jul 11;8(7):e68224. doi: 10.1371/journal.pone.0068224

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© 2013 Das et al

This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are properly credited.

PMC Copyright notice

Microtubules of the HepG2 and A549 cells were probed with mouse monoclonal rhodamine or FITC tagged anti-α-tubulin antibody as before and images were taken by confocal microscope for STE-untreated samples (A,D,J,G), STE-treated samples (B,E,H,K) and NAC-pretreated-then STE-treated samples (C,F,I,L). Details of the experiments are described in ‘Methods’ section. The results represent the best of data collected from three experiments with similar results.