Front. Oncol.

Frontiers in Oncology

Front. Oncol.

2234-943X

Frontiers Media S.A.

10.3389/fonc.2026.1811216

Retraction

Retraction: Pigment epithelium-derived factor promotes the growth and migration of human esophageal squamous cell carcinoma

Office

Frontiers Editorial

^* Writing – original draft

*Correspondence: Frontiers Editorial Office, research.integrity@frontiersin.org

24 02 2026

2026

1811216

14 02 2026 14 02 2026 14 02 2026

2026

Office

https://creativecommons.org/licenses/by/4.0/

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

A Retraction of the Original Research Article Pigment epithelium-derived factor promotes the growth and migration of human esophageal squamous cell carcinoma Tang D-R, Li C-L, Xu K-P, Wu Q-Q, Chen Q-Y, Lv J-J, Ji J, Zang B, Chen C, Gu B and Zhao J-Q (2020) Front. Oncol. 9:1520. doi: 10.3389/fonc.2019.01520

section-at-acceptance

Molecular and Cellular Oncology

Following publication, concerns were raised regarding the integrity of the images in the published figures.

During the investigation, the authors failed to provide a satisfactory explanation during the investigation, which was conducted in accordance with Frontiers’ policies. As a result, the data and conclusions of the article have been deemed unreliable and the article has been retracted.

This retraction was approved by the Chief Editors of Frontiers in Oncology and the Chief Executive Editor of Frontiers. The authors agree to this retraction.

Approved by: Luisa Lanfrancone, European Institute of Oncology (IEO), Italy