Retraction Note: Human bone marrow-derived mesenchymal stem cell-secreted exosomes overexpressing microRNA-34a ameliorate glioblastoma development via down-regulating MYCN

Cell Oncol (Dordr). 2021 Oct;44(5):1207. doi: 10.1007/s13402-021-00627-8.

Bin Wang^{1

2

3}, Zhong-Hua Wu^{1

2

3}, Ping-Yang Lou^{1

2

3}, Chang Chai⁴, Shuang-Yin Han⁵, Jian-Fang Ning⁶, Ming Li^{7

8

9}

¹ Department of Neurosurgery, Henan Province People's Hospital, Zhengzhou University, No. 7, Weiwu Road, Zhengzhou, 450003, Henan Province, People's Republic of China.
² Department of Neurosurgery, People's Hospital Affiliated With Zhengzhou University, No. 7, Weiwu Road, Zhengzhou, 450003, Henan Province, People's Republic of China.
³ Department of Neurosurgery, People's Hospital Affiliated With Medical College of Henan University, No. 7, Weiwu Road, Zhengzhou, 450003, Henan Province, People's Republic of China.
⁴ Department of Ophthalmology, Henan Province People's Hospital, Zhengzhou University, Zhengzhou, 450003, People's Republic of China.
⁵ Center for Translational Medicine, Henan Province People's Hospital, Zhengzhou University, Zhengzhou, 450003, People's Republic of China.
⁶ Department of Neurosurgery, University of Minnesota, Minneapolis, 55455, USA.
⁷ Department of Neurosurgery, Henan Province People's Hospital, Zhengzhou University, No. 7, Weiwu Road, Zhengzhou, 450003, Henan Province, People's Republic of China. liming0914@yeah.net.
⁸ Department of Neurosurgery, People's Hospital Affiliated With Zhengzhou University, No. 7, Weiwu Road, Zhengzhou, 450003, Henan Province, People's Republic of China. liming0914@yeah.net.
⁹ Department of Neurosurgery, People's Hospital Affiliated With Medical College of Henan University, No. 7, Weiwu Road, Zhengzhou, 450003, Henan Province, People's Republic of China. liming0914@yeah.net.

No abstract available

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