Expression of Concern: Circular RNA S-7 promotes ovarian cancer EMT via sponging miR-641 to upregulate ZEB1 and MDM2.

The article titled "Expression of Concern: Circular RNA S-7 promotes ovarian cancer EMT via sponging miR-641 to upregulate ZEB1 and MDM2" was published in Bioscience Reports in May 2024. The editorial office has issued an expression of concern due to potential issues surrounding the scientific validity of the paper. Specifically, there are concerns about the accuracy of Figure 2C and its similarity to figures from a previous study by Cao et al. The article is an open access publication distributed under the Creative Commons Attribution License 4.0. [Extracted from the article]