This article refers to:
Gu J, Sun R, Shen S, Yu Z. The influence of TLR4 agonist lipopolysaccharides on hepatocellular carcinoma cells and the feasibility of its application in treating liver cancer. Onco Targets Ther. 2015;8:2215–2225.
The first author (Junsheng Gu) created an email address for Dr Yu without permission and used figures from a previously published paper: Lin A, Wang G, Zhao H, et al. TLR4 signaling promotes a COX-2/PGE2/STAT3 positive feedback loop in hepatocellular carcinoma (HCC) cells. OncoImmunology. 2015: DOI:10.1080/2162402X.
This was done without the knowledge, involvement, or permission of Dr Yu.