Lu Y, Liu ZH, Li YX, Xu HL, Fang WH, He F. Int J Nanomedicine. 2022;17:1593—1608.

We, the Publisher and Editor of International Journal of Nanomedicine, are issuing an expression of concern for the published article.

Following publication, concerns regarding the integrity of Figure 2A in the article were brought to the Journal’s attention. As part of the investigation, the authors were contacted for any information that would help confirm the validity of Figure 2A. Whilst the authors were cooperative, the concerns with Figure 2A still remain.

Therefore, we are unable to fully address the concerns regarding Figure 2A; however, the Editor confirms that the concerns raised about figure 2A do not affect the overall validity or integrity of the reported findings. We advise readers to interpret the information presented in Figure 2A with due caution.

The authors have been notified about this Expression of Concern. Should further information come to light, the journal will reassess any concern raised.