Retraction to: Critical role for the long non-coding RNA AFAP1-AS1 in the proliferation and metastasis of hepatocellular carcinoma

The Editor-in-Chief of Tumor Biology retracts the following publication:

Lu X, Zhou C, Li R, et al. Critical role for the long non-coding RNA AFAP1-AS1 in the proliferation and metastasis of hepatocellular carcinoma. Tumor Biol. 2016;37:9699–9707. doi: 10.1007/s13277-016-4858-8

The corresponding author contacted the Editor-in-Chief requesting retraction of the article due to image misuse in Figure 4.