This article is a retraction of:
RETRACTED: Overexpressed Tumor Suppressor Exosomal miR-15a-5p in Cancer Cells Inhibits PD1 Expression in CD8+T Cells and Suppresses the Hepatocellular Carcinoma Progression
A Retraction of the Original Research Article
Overexpressed tumor suppressor exosomal miR-15a-5p in cancer cells inhibits PD1 expression in CD8+T cells and suppresses the hepatocellular carcinoma progression
By Zhang HY, Liang HX, Wu SH, Jiang HQ, Wang Q and Yu ZJ (2021) Front. Oncol. 11:622263. doi: 10.3389/fonc.2021.622263
The journal retracts the 19th March 2021 article cited above.
Following publication, concerns were raised regarding the integrity of the images in the published figures. Image duplication concerns were also identified in Figure 3A of the above article and Figure 2A in Zhang D, Cai G, Liu K, Zhuang Z, Jia K, Pei S, Wang X, Wang H, Xu S, Cui C, Sun M, Guo S, Song W, et al. Microglia exosomal miRNA-137 attenuates ischemic brain injury through targeting Notch1. Aging (Albany NY). 2021 Jan 10; 13:4079-4095. https://doi.org/10.18632/aging.202373
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 is 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.
Citation: Frontiers Editorial Office (2024) Retraction: Overexpressed tumor suppressor exosomal miR-15a-5p in cancer cells inhibits PD1 expression in CD8+T cells and suppresses the hepatocellular carcinoma progression. Front. Oncol. 14:1388383. doi: 10.3389/fonc.2024.1388383
Received: 19 February 2024; Accepted: 19 February 2024;
Published: 05 March 2024.
Approved by:
Sharon R. Pine, University of Colorado Anschutz Medical Campus, United StatesCopyright © 2024 Frontiers Editorial Office. 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.
*Correspondence: Frontiers Editorial Office, research.integrity@frontiersin.org