Editorial Expression of Concern: Prevention of multiple system atrophy using human bone marrow-derived mesenchymal stem cells by reducing polyamine and cholesterol-induced neural damages
Kyung-Ran Park, Chul Ju Hwang, Hyung-Mun Yun, In Jun Yeo, Dong-Young Choi, Pil-Hoon Park, Hyung Sook Kim, Jung Tae Lee, Young Suk Jung, Sang-Bae Han, Jin Tae Hong

Abstract
Genes, proteins, chemicals, diseases, species, mutations and cell lines named across the full text — each resolved to its canonical identifier and authoritative record.
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Taxonomy
TopicsPolyamine Metabolism and Applications · Mesenchymal stem cell research · Neurogenesis and neuroplasticity mechanisms
**Editorial Expression of Concern: Stem Cell Research & Therapy (2020) 11:63 ** 10.1186/s13287-020-01590-1
The Editors-in-Chief would like to inform the readers that following the publication of this article, concerns have been raised regarding the similarity of Fig. 3b Substantia nigra b-actin blot with Fig. 1c of [1]. The authors were unable to provide raw data for further validation.
The readers are therefore alerted to take caution while interpreting this content.
Hyung-Mun Yun and KyungRan Park agree with this Editorial Express of Concern. None of the remaining authors has responded to correspondence from the Publisher about this Editorial Express of Concern.
The reference list from the paper itself. Each links out to its DOI / PubMed record.
- 1Lee DH et al. RETRACTED: Decreased lung tumor development in Sw APP mice through the downregulation of CHI 3L 1 and STAT 3 activity via the upregulation of mi RNA 342-3p. Mol Ther Nucleic Acids. 2019;16:63–72. 10.1016/j.omtn.2019.02.007.10.1016/j.omtn.2019.02.007PMC 640604730849743 · doi ↗ · pubmed ↗
