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<journal-meta>
<journal-id journal-id-type="nlm-ta">Molecular Medicine Reports</journal-id>
<journal-title-group>
<journal-title>Molecular Medicine Reports</journal-title>
</journal-title-group>
<issn pub-type="ppub">1791-2997</issn>
<issn pub-type="epub">1791-3004</issn>
<publisher>
<publisher-name>D.A. Spandidos</publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id pub-id-type="doi">10.3892/mmr.2026.13829</article-id>
<article-id pub-id-type="publisher-id">MMR-33-4-13829</article-id>
<article-categories>
<subj-group>
<subject>Retraction</subject>
</subj-group>
</article-categories>
<title-group>
<article-title>[Retracted] Upregulated microRNA-671-3p promotes tumor progression by suppressing forkhead box P2 expression in non-small-cell lung cancer</article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author"><name><surname>Li</surname><given-names>Zhi-Ying</given-names></name>
</contrib>
<contrib contrib-type="author"><name><surname>Zhang</surname><given-names>Zi-Zhou</given-names></name>
</contrib>
<contrib contrib-type="author"><name><surname>Bi</surname><given-names>Hui</given-names></name>
</contrib>
<contrib contrib-type="author"><name><surname>Zhang</surname><given-names>Qiu-Di</given-names></name>
</contrib>
<contrib contrib-type="author"><name><surname>Zhang</surname><given-names>Su-Juan</given-names></name>
</contrib>
<contrib contrib-type="author"><name><surname>Zhou</surname><given-names>Lin</given-names></name>
</contrib>
<contrib contrib-type="author"><name><surname>Zhu</surname><given-names>Xiao-Qin</given-names></name>
</contrib>
<contrib contrib-type="author"><name><surname>Zhou</surname><given-names>Jun</given-names></name>
</contrib>
</contrib-group>
<pub-date pub-type="collection"><month>04</month><year>2026</year></pub-date>
<pub-date pub-type="epub"><day>16</day><month>02</month><year>2026</year></pub-date>
<volume>33</volume>
<issue>4</issue>
<elocation-id>119</elocation-id>
<permissions>
<copyright-statement>Copyright: &#x00A9; 2026 Li et al.</copyright-statement>
<copyright-year>2026</copyright-year>
<license license-type="open-access">
<license-p>This is an open access article distributed under the terms of the <ext-link ext-link-type="uri" xlink:href="https://creativecommons.org/licenses/by/4.0/">Creative Commons Attribution License</ext-link>, 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.</license-p></license>
</permissions>
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</front>
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<p>Mol Med Rep 20: <related-article xmlns:xlink="http://www.w3.org/1999/xlink" related-article-type="retracted-article" vol="20" page="3149" id="RA1" xlink:href="10.3892/mmr.2019.10563" ext-link-type="doi">3149&#x2013;3159</related-article>, 2019; DOI: 10.3892/mmr.2019.10563</p>
<p>Following the publication of this paper, it was drawn to the Editor&#x0027;s attention by a concerned reader that, in addition to the duplication of a pair of data panels in Fig. 7A, flow cytometric (FCM) assay data featured in Figs. 2D and 6B were strikingly similar to FCM data which were ultimately published in a number of other papers in different journals that were written by different authors at different research institutes, including a paper that was submitted on an earlier date to the journal <italic>Experimental and Therapeutic Medicine.</italic></p>
<p>Owing to the fact that the contentious data in the above article were found to be strikingly similar to data that have appeared elsewhere in other papers in the scientific literature, the Editor of <italic>Molecular Medicine Reports</italic> 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.</p>
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</article>
