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29 June 2020 : Laboratory Research

[Retracted: 07 Feb 2023] WNT974 Inhibits Proliferation, Induces Apoptosis, and Enhances Chemosensitivity to Doxorubicin in Lymphoma Cells by Inhibiting Wnt/β-Catenin Signaling

Senmin Chen1A, Xiuli Yuan1B, Huanli Xu1C, Meng Yi1E, Sixi Liu1G*, Feiqiu Wen1F

DOI: 10.12659/MSM.923799

Med Sci Monit 2020; 26:e923799

This publication has been retracted by the Editor due to the identification of non-original figure images and manuscript content that raise concerns regarding the credibility and originality of the study and the manuscript. Reference: Senmin Chen, Xiuli Yuan, Huanli Xu, Meng Yi, Sixi Liu, Feiqiu Wen. WNT974 Inhibits Proliferation, Induces Apoptosis, and Enhances Chemosensitivity to Doxorubicin in Lymphoma Cells by Inhibiting Wnt/b-Catenin Signaling. Med Sci Monit, 2020; 26: e923799. DOI: 10.12659/MSM.923799

Abstract

BACKGROUND: Upregulation of the Wnt/β-catenin pathway has been demonstrated to promote tumor proliferation and chemoresistance in lymphoma. Our objective was to evaluate the effect of the Wnt/β-catenin pathway inhibitor WNT974 in lymphoma cells.

MATERIAL AND METHODS: Human lymphoma cell lines HUT-78 and BJAB were treated with or without 1 μM WNT974±0.15 μg/L doxorubicin (Dox). Cell viability and proliferation were evaluated by CCK-8 and colony formation assay. Expression of proliferating cell nuclear antigen (PCNA), KI67, and apoptotic-related proteins including Bcl-2, Bax, cleaved-caspase3, and cleaved-caspase9, together with Wnt pathway proteins Wnt, β-catenin, Axin2, and c-Myc, were detected by Western blot analysis. Flow cytometry was used to calculate the ratio of apoptotic cells.

RESULTS: In HUT-78 and BJAB cells, 1 μM WNT974 significantly reduced viability and colony formation. The expression of 2 markers of tumor cell proliferation, protein PCNA and KI67, was also reduced by WNT974. Treatment with 1 μM WNT974 for 48 h increased the rate of cell apoptosis, inhibited the expression of anti-apoptotic protein Bcl-2, and enhanced pro-apoptotic proteins Bax, cleaved-caspase3, and cleaved-caspase9 expression in both cell lines. After treatment with WNT974 plus Dox, cell viability was markedly decreased compared with Dox treatment alone. Mechanistically, WNT974 prevented the expression of Wnt, Axin2, β-catenin, and its target gene c-Myc.

CONCLUSIONS: WNT974 effectively treats lymphoma by inhibiting cell proliferation, inducing cell apoptosis, and enhancing chemosensitivity to Dox, and these effects are dependent on blocking Wnt/β-catenin signaling.

Keywords: Retracted Publication

Retraction note

Med Sci Monit 2023; 29:e939724     https://medscimonit.com/abstract/index/idArt/939724
 
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