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. 2015 Mar 12;6(1):22. doi: 10.1186/s13287-015-0023-3

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© Su et al.; licensee BioMed Central. 2015

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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Western blot analysis of the expressions of human osteoprotegerin (hOPG) in transfection and non-transfection groups. Results show that hOPG-EGFP fusion gene was co-expressed, suggesting that hOPG protein was successfully expressed in periodontal ligament stem cells (PDLSCs). hOPG-PDLCs: PDLSCs transfected with pLENTi6.3/V5-hOPG-IRES-EGFP plasmid; PDLCs: control sample group: non-transfected PDLSCs. eGFP, enhanced green fluorescent protein.