==== Front Cell Death Discov Cell Death Discov Cell Death Discovery 2058-7716 Nature Publishing Group UK London 1516 10.1038/s41420-023-01516-9 Retraction Note Retraction Note: Anti-fibrotic mechanism of SPP1 knockdown in atrial fibrosis associates with inhibited mitochondrial DNA damage and TGF-β/SREBP2/PCSK9 signaling http://orcid.org/0000-0003-4637-8917 Du Xianfeng duxianfeng@outlook.com 1 Liu Ting 2 Shen Caijie 1 He Bin 1 Feng Mingjun 1 Liu Jing 1 Zhuo Weidong 13 Fu Guohua 1 Wang Binhao 1 Xu Yanyan 1 Chu Huimin 1911105084@nbu.edu.cn 1 1 grid.416271.7 0000 0004 0639 0580 Arrhythmia Center, Department of Cardiology, Ningbo First Hospital, Ningbo, 315010 China 2 Department of Nephrology, Ningbo Urology and Nephrology Hospital, Ningbo, 315000 China 3 grid.203507.3 0000 0000 8950 5267 Ningbo University School of Medicine, Ningbo, 315211 China 30 6 2023 30 6 2023 2023 9 207© The Author(s) 2023 https://creativecommons.org/licenses/by/4.0/ Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/. Subject terms Cell biology Cardiovascular diseases issue-copyright-statement© Cell Death Differentiation Association (ADMC) 2023 ==== Body pmcRetraction to: Cell Death Discovery 10.1038/s41420-022-00895-9, published online 04 May 2022 The authors have retracted this article because the authors noticed a mistake in panel I of Figure 1. The incorrect raw data of the key candidate genes, including PDGFRB and CST3, was used to create the heat map. The authors no longer have confidence in the accuracy of the results presented in this article. None of the authors have responded to any correspondence from the editor about this retraction.