Retraction Note :Stem Cell Research & Therapy (2018) 9:282 https://doi.org/10.1186/s13287-018-1022-y

The Editors-in-Chief have retracted this article because of significant concerns regarding a number of Figures presented in this work, which question the integrity of the data. Figure 1 has been found to have been published previously as Figure 1 in the following article [1]. Figure 3A has been found to have been published previously as Figure 4A in the following article [2]. In Figure 2B, there is overlap between the CD31 images of the SAP and the TuD-BMSCs. In Figure 5D, there is overlap between the VECs + miR-9 control and mimic images. Daohai Qian, Lei Jin and Xiaoming Wang do not agree to this retraction. Minghua Hu and Guodong Song agree to this retraction. Zhenshun Song has not explicitly stated whether they agree to this retraction notice. Zhilong Ma, Guannan Wang has not responded to any correspondence from the editor about this retraction.