The article titled “Downregulation of ADAM10 Expression Inhibits Metastasis and Invasiveness of Human Hepatocellular Carcinoma HepG2 Cells” [1] has been retracted as it is found to contain a substantial amount of material, without referencing, from the paper “ADAM10 is overexpressed in human hepatocellular carcinoma and contributes to the proliferation, invasion and migration of HepG2 cells,” by Shao Yuan, Shi Lei, and Shengli Wu published in Oncology Reports, vol. 2013, 1715-1722 pages, DOI: 10.3892/or.2013.2650.