ETM Experimental and Therapeutic Medicine 1792-0981 1792-1015 D.A. Spandidos 10.3892/etm.2026.13131 ETM-31-5-13131 Retraction [Retracted] Icariin inhibits oral squamous cell carcinoma cell proliferation and induces apoptosis via inhibiting the NF-κB and PI3K/AKT pathways SunLing ZhangJing 052026 16032026 31 5 136 Copyright: © 2026 Sun and Zhang. 2026 This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, reproduction and adaptation in any medium and for any purpose provided that it is properly attributed. For attribution, the original author(s), title, publication source (PeerJ) and either DOI or URL of the article must be cited.

Exp Ther Med 22:942, 2021; DOI: 10.3892/etm.2021.10374

Following the publication of this paper, it was drawn to the Editor's attention by a concerned reader that the flow cytometric assay data shown for the ‘5 μM Icariin’ experiment in Fig. 2A on p. 4 was almost identical to a flow cytometric plot featured in another article written by different authors at different research institutes (albeit the city was the same) that had already been submitted for publication to the journal Experimental and Therapeutic Medicine.

Owing to the fact that the contentious data in the above article was strikingly similar to data that had already been submitted for publication, the Editor of Experimental and Therapeutic Medicine has decided that this paper should be retracted from the Journal. The authors were asked for an explanation to account for these concerns, but the Editorial Office did not receive a reply. The Editor apologizes to the readership for any inconvenience caused.