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. 2014 Aug 31;9:2. doi: 10.1186/1747-1028-9-2

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Copyright © 2014 David et al.; licensee BioMed Central Ltd.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly credited. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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Smurf2 knockdown downregulates cell proliferation. Smurf2 knockdown decreases proliferation of MDA-MB-231 and MCF-7 cells which was measured with an MTT [3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyl tetrazolium bromide] assay (A, B) and BrdU (5-bromo-2′-deoxyuridine) cell proliferation assay (C, D). Result represented as mean ± standard deviation (n = 3). The inhibition effect on cell proliferation is more significant at 48 hours rather than 72 hours posttransfection, after which proliferation gradually increased, probably due to transient transfection. Expression of PCNA (Proliferating cell nuclear antigen) was found to be downregulated in Smurf2 knockdown cells of (E) MDA-MB-231 and (F) MCF-7, 48 hours posttransfection.