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. 2017 Mar 7;15(5):2521–2529. doi: 10.3892/mmr.2017.6291

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Copyright: © Tong et al.

This is an open access article distributed under the terms of the Creative Commons Attribution-NonCommercial-NoDerivs License, which permits use and distribution in any medium, provided the original work is properly cited, the use is non-commercial and no modifications or adaptations are made.

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Figure 7. — Growth curves of sorted p75^NTR+ cells and non-sorted cells from the (A) Tca-8113 and (B) CAL-27 tongue squamous cell carcinoma cell lines. Cell growth curves were determined using MTT assay. No differences in proliferative ability (OD values) were detected on day 1. After 3 days of culture, OD values for p75^NTR+ cells were greater compared with non-sorted cells (*P<0.05), indicating stronger proliferative ability of p75^NTR+ cells in vitro. Proliferation was increased on days 5 and 7 (**P<0.01). *P<0.05 vs. non-sorted cells. p75^NTR, p75 neurotrophin receptor; OD, optical density.